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Beyond Acetylene: Exploring Solvent Stabilization of Calcium Carbide‐derived Acetylide Intermediates and Their Significance in Small Organic Molecule Synthesis (2024)
Journal Article
Hainer, A. S., Lanterna, A. E., & Scaiano, J. C. (2024). Beyond Acetylene: Exploring Solvent Stabilization of Calcium Carbide‐derived Acetylide Intermediates and Their Significance in Small Organic Molecule Synthesis. ChemistrySelect, 9(14), Article e202400501. https://doi.org/10.1002/slct.202400501

The reaction of calcium carbide with water has been widely used as a source of acetylene for the synthesis of organic molecules. In contrast with this traditional approach, we use the CaC2 reaction under water-starved conditions and show reactions th... Read More about Beyond Acetylene: Exploring Solvent Stabilization of Calcium Carbide‐derived Acetylide Intermediates and Their Significance in Small Organic Molecule Synthesis.

Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol (2024)
Journal Article
LeMercier, T. M., Thangamuthu, M., Kohlrausch, E. C., Chen, Y., Stoppiello, C. T., Fay, M. W., …Khlobystov, A. N. (2024). Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol. Sustainable Energy and Fuels, 1691-1703. https://doi.org/10.1039/D4SE00028E

Carbon nitride (C3N4) possesses both a band gap in the visible range and a low-lying conduction band potential, suitable for water splitting and CO2 reduction reactions (CO2RR). Yet, bulk C3N4 (b-C3N4) suffers from structural disorder leading to slug... Read More about Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol.

Selective Excitation of Pd-decorated Titania Enables Consecutive C−C Couplings and Hydrogenations under Ambient Conditions (2023)
Journal Article
Whitehead, R. Z., Norman, L. T., Cull, W. J., Fernandes, J. A., & Lanterna, A. E. (2023). Selective Excitation of Pd-decorated Titania Enables Consecutive C−C Couplings and Hydrogenations under Ambient Conditions. ChemCatChem, 15(21), Article e202300528. https://doi.org/10.1002/cctc.202300528

Here, we discovered that Pd decorated TiO2 (Pd@TiO2) enables consecutive photocatalytic Sonogashira C−C coupling and hydrogenation steps by simply adjusting the excitation conditions of the reaction. We demonstrated that by-products containing iodine... Read More about Selective Excitation of Pd-decorated Titania Enables Consecutive C−C Couplings and Hydrogenations under Ambient Conditions.

PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry (2023)
Preprint / Working Paper
Ali, H., Ahmed, I., Robertson, K., & Lanterna, A. PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry

Perylene diimides (PDI) have an extraordinary ability to activate both energy and electron transfer process upon light excitation, however, their extremely low solubility has hindered their wide use as photocatalysts. Here, we show a series of suppor... Read More about PDI-functionalised glass beads: efficient, metal-free heterogeneous photocatalysts suitable for flow photochemistry.

Fibrous TiO2 Alternatives for Semiconductor-Based Catalysts for Photocatalytic Water Remediation Involving Organic Contaminants (2023)
Journal Article
Da Silva, D. R., Mapukata, S., Currie, S., Kitos, A. A., Lanterna, A. E., Nyokong, T., & Scaiano, J. C. (2023). Fibrous TiO2 Alternatives for Semiconductor-Based Catalysts for Photocatalytic Water Remediation Involving Organic Contaminants. ACS Omega, 8(24), 21585-21593. https://doi.org/10.1021/acsomega.3c00781

Water decontamination remains a challenge in several developed and developing countries. Affordable and efficient approaches are needed urgently. In this scenario, heterogeneous photocatalysts appear as one of the most promising alternatives. This ju... Read More about Fibrous TiO2 Alternatives for Semiconductor-Based Catalysts for Photocatalytic Water Remediation Involving Organic Contaminants.

Host–Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation (2022)
Journal Article
Jordan, J. W., Chernov, A. I., Rance, G. A., Stephen Davies, E., Lanterna, A. E., Alves Fernandes, J., …Khlobystov, A. N. (2023). Host–Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation. Journal of the American Chemical Society, 145(2), 1206-1215. https://doi.org/10.1021/jacs.2c10961

Boron nitride nanotubes (BNNTs) are an emerging class of molecular container offering new functionalities and possibilities for studying molecules at the nanoscale. Herein, BNNTs are demonstrated as highly effective nanocontainers for polyoxometalate... Read More about Host–Guest Chemistry in Boron Nitride Nanotubes: Interactions with Polyoxometalates and Mechanism of Encapsulation.

Decoration of glass wool with zinc (II) phthalocyanine for the photocatalytic transformation of methyl orange (2022)
Journal Article
Sindelo, A., Britton, J., Lanterna, A. E., Scaiano, J. C., & Nyokong, T. (2022). Decoration of glass wool with zinc (II) phthalocyanine for the photocatalytic transformation of methyl orange. Journal of Photochemistry and Photobiology A: Chemistry, 432, Article 114127. https://doi.org/10.1016/j.jphotochem.2022.114127

Zinc phthalocyanines containing one (mono carboxy phenoxy, ZnMCPPc), four (tetra carboxy phenoxy, ZnTCPPc), and eight (tetra isophthalic acid, ZnTIPAPc) carboxyl groups were covalently conjugated to amine-functionalized glass wool (GW). The GW-Pcs we... Read More about Decoration of glass wool with zinc (II) phthalocyanine for the photocatalytic transformation of methyl orange.

Photosensitized selective semi-oxidation of tetrahydroisoquinoline: a singlet oxygen path (2022)
Journal Article
Yaghmaei, M., Villanueva, M., Martín-García, I., Alonso, F., Zhang, X., Joshi, N., …Scaiano, J. C. (2022). Photosensitized selective semi-oxidation of tetrahydroisoquinoline: a singlet oxygen path. Photochemical & Photobiological Sciences, 21(8), 1473-1479. https://doi.org/10.1007/s43630-022-00237-9

Selective semi-oxidation of tetrahydroisoquinoline (THIQ) leads to a valuable dihydroisoquinoline (DHIQ) derivative via singlet oxygen photooxidation process. Typical photosensitisers (i.e., Ru complexes) can activate the reaction even under heteroge... Read More about Photosensitized selective semi-oxidation of tetrahydroisoquinoline: a singlet oxygen path.

Ni composite electrodes for hydrogen generation: Activation of Nb-based semiconductors (2022)
Journal Article
Franceschini, E. A., Benavente Llorente, V., & Lanterna, A. E. (2022). Ni composite electrodes for hydrogen generation: Activation of Nb-based semiconductors. International Journal of Hydrogen Energy, 47(36), 15992-16004. https://doi.org/10.1016/j.ijhydene.2022.03.085

The hydrogen evolution reaction depends on the accumulation of electrons on the catalytic center to enable the two-electron processes involved in water reduction. This work reports on the modification of inexpensive nickel (Ni) composite electrodes w... Read More about Ni composite electrodes for hydrogen generation: Activation of Nb-based semiconductors.

Nitro to amine reductions using aqueous flow catalysis under ambient conditions (2021)
Journal Article
Yaghmaei, M., Lanterna, A. E., & Scaiano, J. C. (2021). Nitro to amine reductions using aqueous flow catalysis under ambient conditions. iScience, 24(12), Article 103472. https://doi.org/10.1016/j.isci.2021.103472

A catalyst based on Pd on glass wool (Pd@GW) shows exceptional performance and durability for the reduction of nitrobenzene to aniline at room temperature and ambient pressure in aqueous solutions. The reaction is performed in a flow system and compl... Read More about Nitro to amine reductions using aqueous flow catalysis under ambient conditions.

Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2: Experimental and Computational Studies (2021)
Journal Article
Otieno, S., Lanterna, A. E., Mack, J., Derese, S., Amuhaya, E. K., Nyokong, T., & Scaiano, J. C. (2021). Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2: Experimental and Computational Studies. Molecules, 26(11), Article 3131. https://doi.org/10.3390/molecules26113131

The absence of a secure long-term sustainable energy supply is recognized as a major worldwide technological challenge. The generation of H2 through photocatalysis is an environmentally friendly alternative that can help solve the energy problem. Thu... Read More about Solar Driven Photocatalytic Activity of Porphyrin Sensitized TiO2: Experimental and Computational Studies.

Scale-up of a photochemical flow reactor for the production of lignin-coated titanium dioxide as a sunscreen ingredient (2021)
Journal Article
Fournier, K., Marina, N., Joshi, N., Berthiaume, V. R., Currie, S., Lanterna, A. E., & Scaiano, J. C. (2021). Scale-up of a photochemical flow reactor for the production of lignin-coated titanium dioxide as a sunscreen ingredient. Journal of Photochemistry and Photobiology, 7, Article 100040. https://doi.org/10.1016/j.jpap.2021.100040

Lignin-protected TiO2 can reduce the release of free radicals photogenerated by TiO2. This can be achieved through the intrinsic absorption of lignin that acts as an antioxidant strategically located on the surface of TiO2 particles while retaining –... Read More about Scale-up of a photochemical flow reactor for the production of lignin-coated titanium dioxide as a sunscreen ingredient.

Mechanistic Insights on the Semihydrogenation of Alkynes over Different Nanostructured Photocatalysts (2021)
Journal Article
Wang, B., Lanterna, A. E., & Scaiano, J. C. (2021). Mechanistic Insights on the Semihydrogenation of Alkynes over Different Nanostructured Photocatalysts. ACS Catalysis, 11(7), 4230-4238. https://doi.org/10.1021/acscatal.0c05233

A single molecule microscopy study of the interaction of dye-modified alkanes, alkenes and alkynes with nanostructured catalysts based on TiO 2 reveals significant differences in the desorption kinetics of the probe molecules depending on the chemica... Read More about Mechanistic Insights on the Semihydrogenation of Alkynes over Different Nanostructured Photocatalysts.

Photochemical benzylic radical arylation promoted by supported Pd nanostructures (2020)
Journal Article
Gawargy, T. A., Costa, P., Lanterna, A. E., & Scaiano, J. C. (2020). Photochemical benzylic radical arylation promoted by supported Pd nanostructures. Organic and Biomolecular Chemistry, 18(31), 6047-6052. https://doi.org/10.1039/d0ob01227k

We report a novel way to promote photochemical benzylic radical arylations using Pd nanostructures. Traditional benzylic radical reaction pathways are challenged by the presence of metal centres that provoke unprecedented regioselectivity towards mor... Read More about Photochemical benzylic radical arylation promoted by supported Pd nanostructures.

Evaluation of different Ni–semiconductor composites as electrodes for enhanced hydrogen evolution reaction (2020)
Journal Article
Gómez, M. J., Benavente-Llorente, V., Hainer, A., Lacconi, G. I., Scaiano, J. C., Franceschini, E. A., & Lanterna, A. E. (2020). Evaluation of different Ni–semiconductor composites as electrodes for enhanced hydrogen evolution reaction. Sustainable Energy and Fuels, https://doi.org/10.1039/d0se00634c

The use of earth-abundant materials for designing efficient and stable electrocatalysts is of paramount importance to facilitate large-scale production of hydrogen. In this work we developed a new series of electrodes based on Ni–semiconductor compos... Read More about Evaluation of different Ni–semiconductor composites as electrodes for enhanced hydrogen evolution reaction.

Glass wool supported ruthenium complexes: versatile, recyclable heterogeneous photoredox catalysts (2020)
Journal Article
Teixeira, R. I., de Lucas, N. C., Garden, S. J., Lanterna, A. E., & Scaiano, J. C. (2020). Glass wool supported ruthenium complexes: versatile, recyclable heterogeneous photoredox catalysts. Catalysis Science and Technology, 10(5), 1273-1280. https://doi.org/10.1039/c9cy02479d

The present study describes the development of heterogeneous photoredox catalysts based on ruthenium complexes anchored onto a glass surface (glass wool). These easy-to-handle, inexpensive and reusable fiber-like materials allow Ru-based photoredox c... Read More about Glass wool supported ruthenium complexes: versatile, recyclable heterogeneous photoredox catalysts.

Catalytic farming: reaction rotation extends catalyst performance (2019)
Journal Article
Elhage, A., Lanterna, A. E., & Scaiano, J. C. (in press). Catalytic farming: reaction rotation extends catalyst performance. Chemical Science, 10(5), 1419-1425. https://doi.org/10.1039/c8sc04188a

The use of heterogeneous catalysis has key advantages compared to its homogeneous counterpart, such as easy catalyst separation and reusability. However, one of the main challenges is to ensure good performance after the first catalytic cycles. Activ... Read More about Catalytic farming: reaction rotation extends catalyst performance.

A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions (2019)
Journal Article
Zelcer, A., Franceschini, E. A., Lombardo, M. V., Lanterna, A. E., & Soler-Illia, G. J. A. A. (2020). A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions. Journal of Sol-Gel Science and Technology, 94(1), 195-204. https://doi.org/10.1007/s10971-019-05175-0

Mesoporous transition metal oxides (MTMO) with large surface area, nanocrystalline framework, and controlled porosity have brilliant prospects in fields such as energy, environment, catalysis, or nanomedicine. However, the green, reproducible, and sc... Read More about A general method to produce mesoporous oxide spherical particles through an aerosol method from aqueous solutions.

Niobium-based semiconductor electrodes for hydrogen evolution reaction (2019)
Journal Article
Franceschini, E. A., Hainer, A., & Lanterna, A. E. (2019). Niobium-based semiconductor electrodes for hydrogen evolution reaction. International Journal of Hydrogen Energy, 44(60), 31940-31948. https://doi.org/10.1016/j.ijhydene.2019.10.101

This contribution focusses on the use of Nb-based materials for the preparation of hybrid nickel-semiconductor electrodes for use in the electrochemical generation of hydrogen. The Nb-based semiconductors (i.e., Nb2O5 and Nb3(PO4)5) show good perform... Read More about Niobium-based semiconductor electrodes for hydrogen evolution reaction.

Photochemical Dehalogenation of Aryl Halides: Importance of Halogen Bonding (2019)
Journal Article
Elhage, A., Costa, P., Nasim, A., Lanterna, A. E., & Scaiano, J. C. (2019). Photochemical Dehalogenation of Aryl Halides: Importance of Halogen Bonding. Journal of Physical Chemistry A, 123(47), 10224-10229. https://doi.org/10.1021/acs.jpca.9b06716

Upon UVA irradiation, aryl halides can undergo dehalogenation in the presence of bases and methanol as a hydrogen donor. This catalyst-free photochemical dehalogenation is furnished through a facile radical chain reaction under mild conditions. The c... Read More about Photochemical Dehalogenation of Aryl Halides: Importance of Halogen Bonding.

Perylene‐Grafted Silicas: Mechanistic Study and Applications in Heterogeneous Photoredox Catalysis (2019)
Journal Article
Carrillo, A. I., Elhage, A., Marin, M. L., & Lanterna, A. E. (2019). Perylene‐Grafted Silicas: Mechanistic Study and Applications in Heterogeneous Photoredox Catalysis. Chemistry - A European Journal, 25(65), 14928-14934. https://doi.org/10.1002/chem.201903539

A mechanistic study is herein presented for the use of heterogeneous photocatalysts based on perylene moieties. First, the successful immobilization of perylene diimides (PDI) on silica matrices is demonstrated, including their full characterization... Read More about Perylene‐Grafted Silicas: Mechanistic Study and Applications in Heterogeneous Photoredox Catalysis.

Decorated titania fibers as photocatalysts for hydrogen generation and organic matter degradation (2019)
Journal Article
Mapukata, S., Hainer, A. S., Lanterna, A. E., Scaiano, J. C., & Nyokong, T. (2020). Decorated titania fibers as photocatalysts for hydrogen generation and organic matter degradation. Journal of Photochemistry and Photobiology A: Chemistry, 388, Article 112185. https://doi.org/10.1016/j.jphotochem.2019.112185

Heterogenous photocatalysts based on electrospun fibers composed of polyvinylpyrrolidone and titanium propoxide were prepared and heated at 500, 750 and 950 °C to obtain anatase and rutile fibers. The fibers were then decorated with Pd and Co nanopar... Read More about Decorated titania fibers as photocatalysts for hydrogen generation and organic matter degradation.

Cobalt-molybdenum co-catalyst for heterogeneous photocatalytic H-mediated transformations (2019)
Journal Article
Wang, B., Duke, K., Scaiano, J. C., & Lanterna, A. E. (2019). Cobalt-molybdenum co-catalyst for heterogeneous photocatalytic H-mediated transformations. Journal of Catalysis, 379, 33-38. https://doi.org/10.1016/j.jcat.2019.09.015

Earth abundant materials, Mo and Co, are used to decorate TiO2 and work as co-catalyst for the selective semi-hydrogenation of alkynes and isomerization of estragole in a H2-free environment under UVA irradiation. Catalytic efficiency is higher than... Read More about Cobalt-molybdenum co-catalyst for heterogeneous photocatalytic H-mediated transformations.

Spectroscopic and Time-Dependent DFT Study of the Photophysical Properties of Substituted 1,4-Distyrylbenzenes (2019)
Journal Article
Estrada-Flórez, S. E., Moncada, F. S., Lanterna, A. E., Sierra, C. A., & Scaiano, J. C. (2019). Spectroscopic and Time-Dependent DFT Study of the Photophysical Properties of Substituted 1,4-Distyrylbenzenes. Journal of Physical Chemistry A, 123(30), 6496-6505. https://doi.org/10.1021/acs.jpca.9b04492

In this contribution, we examine the photophysical properties of 15 totally trans-trans 1,4-distyrylbenzene derivatives (DSBs) functionalized with different electron-donating (ED) and electron-withdrawing (EW) groups by experimental and computational... Read More about Spectroscopic and Time-Dependent DFT Study of the Photophysical Properties of Substituted 1,4-Distyrylbenzenes.

A green road map for heterogeneous photocatalysis (2019)
Journal Article
Scaiano, J. C., & Lanterna, A. E. (2020). A green road map for heterogeneous photocatalysis. Pure and Applied Chemistry, 92(1), 63-73. https://doi.org/10.1515/pac-2019-0207

In the new millennium the well-established paradigms of organic photochemistry have come alive as the basis for a wide range of synthetic methodologies that take advantage of the enhanced redox properties of excited states. While many strategies have... Read More about A green road map for heterogeneous photocatalysis.

Highly Electrophilic Titania Hole as a Versatile and Efficient Photochemical Free Radical Source (2019)
Journal Article
Hainer, A., Marina, N., Rincon, S., Costa, P., Lanterna, A. E., & Scaiano, J. C. (2019). Highly Electrophilic Titania Hole as a Versatile and Efficient Photochemical Free Radical Source. Journal of the American Chemical Society, 141(11), 4531-4535. https://doi.org/10.1021/jacs.8b13422

Photogenerated holes in nanometric semiconductors, such as TiO2, constitute remarkable powerful electrophilic centers, capable of capturing an electron from numerous donors such as ethers, or nonactivated substrates like toluene or acetonitrile, and... Read More about Highly Electrophilic Titania Hole as a Versatile and Efficient Photochemical Free Radical Source.

Hydrophobic silver nanoparticles interacting with phospholipids and stratum corneum mimic membranes in Langmuir monolayers (2019)
Journal Article
Villanueva, M. E., Lanterna, A. E., & Vico, R. V. (2019). Hydrophobic silver nanoparticles interacting with phospholipids and stratum corneum mimic membranes in Langmuir monolayers. Journal of Colloid and Interface Science, 543, 247-255. https://doi.org/10.1016/j.jcis.2019.02.069

The interaction of hydrophobic silver nanoparticles with different phospholipids and stratum corneum mimic (SCM) membranes is studied in Langmuir monolayers. Thus, silver nanoparticles coated with oleic acid (AgNP-OA) were synthesized, characterized... Read More about Hydrophobic silver nanoparticles interacting with phospholipids and stratum corneum mimic membranes in Langmuir monolayers.

Glass wool: a novel support for heterogeneous catalysis (2018)
Journal Article
Elhage, A., Wang, B., Marina, N., Marin, M. L., Cruz, M., Lanterna, A. E., & Scaiano, J. C. (in press). Glass wool: a novel support for heterogeneous catalysis. Chemical Science, 9(33), 6844-6852. https://doi.org/10.1039/c8sc02115e

Heterogeneous catalysis presents significant advantages over homogeneous catalysis such as ease of separation and reuse of the catalyst. Here we show that a very inexpensive, manageable and widely available material – glass wool – can act as a cataly... Read More about Glass wool: a novel support for heterogeneous catalysis.

Biocompatibility and photo-induced antibacterial activity of lignin-stabilized noble metal nanoparticles (2018)
Journal Article
Rocca, D. M., Vanegas, J. P., Fournier, K., Becerra, M. C., Scaiano, J. C., & Lanterna, A. E. (2018). Biocompatibility and photo-induced antibacterial activity of lignin-stabilized noble metal nanoparticles. RSC Advances, 8(70), 40454-40463. https://doi.org/10.1039/c8ra08169g

One-pot thermal and photochemical syntheses of lignin-doped silver and gold nanoparticles were developed and their antimicrobial properties were studied against Escherichia coli and Staphylococcus aureus. The nature of the lignin as well as the metal... Read More about Biocompatibility and photo-induced antibacterial activity of lignin-stabilized noble metal nanoparticles.

How Fast Can Thiols Bind to the Gold Nanoparticle Surface? (2018)
Journal Article
Bard, A., Rondon, R., Marquez, D. T., Lanterna, A. E., & Scaiano, J. C. (2018). How Fast Can Thiols Bind to the Gold Nanoparticle Surface?. Photochemistry and Photobiology, 94(6), 1109-1115. https://doi.org/10.1111/php.13010

Kinetics of gold nanoparticle surface modification with thiols can take more than one hour for completion. 7‐mercapto‐4‐methylcoumarin can be used to follow the process by fluorescence spectroscopy and serves as a convenient molecular probe to determ... Read More about How Fast Can Thiols Bind to the Gold Nanoparticle Surface?.

Remarkable effect of the dithiafulvene structures on their capacity as reducing agents: Influence of conjugated thiocarbonyl group (2018)
Journal Article
Lanterna, A. E., Torresan, M. F., Iglesias, R. A., Coronado, E. A., & Granados, A. M. (2019). Remarkable effect of the dithiafulvene structures on their capacity as reducing agents: Influence of conjugated thiocarbonyl group. Applied Surface Science, 465, 1061-1065. https://doi.org/10.1016/j.apsusc.2018.09.243

The use of dithiafulvene (DTF) derivative compounds having strong electron donating properties as reducing agents to obtain noble metal nanoparticles (PdNP, AgNP, AuNP) is demonstrated. The resulting oxidized DTF product was characterized by spectroe... Read More about Remarkable effect of the dithiafulvene structures on their capacity as reducing agents: Influence of conjugated thiocarbonyl group.

Expanding the Color Space in the Two-Color Heterogeneous Photocatalysis of Ullmann C–C Coupling Reactions (2018)
Journal Article
Marina, N., Lanterna, A. E., & Scaiano, J. C. (2018). Expanding the Color Space in the Two-Color Heterogeneous Photocatalysis of Ullmann C–C Coupling Reactions. ACS Catalysis, 8(8), 7593-7597. https://doi.org/10.1021/acscatal.8b02026

The Ullmann reaction can be heterogeneously photocatalyzed by UV excitation of Pd@TiO2. While a similar dose of visible light does not initiate the reaction, combination with UV light enhances activity and selectivity toward cross-combination product... Read More about Expanding the Color Space in the Two-Color Heterogeneous Photocatalysis of Ullmann C–C Coupling Reactions.

Selective Photoinduced Antibacterial Activity of Amoxicillin-Coated Gold Nanoparticles: From One-Step Synthesis to in Vivo Cytocompatibility (2018)
Journal Article
Silvero C., M. J., Rocca, D. M., de la Villarmois, E. A., Fournier, K., Lanterna, A. E., Pérez, M. F., …Scaiano, J. C. (2018). Selective Photoinduced Antibacterial Activity of Amoxicillin-Coated Gold Nanoparticles: From One-Step Synthesis to in Vivo Cytocompatibility. ACS Omega, 3(1), 1220-1230. https://doi.org/10.1021/acsomega.7b01779

Photoinduced antibacterial gold nanoparticles were developed as an alternative for the treatment of antibiotic-resistant bacteria. Thanks to the amoxicillin coating, they possess high in vivo stability, selectivity for the bacteria wall, a good renal... Read More about Selective Photoinduced Antibacterial Activity of Amoxicillin-Coated Gold Nanoparticles: From One-Step Synthesis to in Vivo Cytocompatibility.

Light-Induced Sonogashira C–C Coupling under Mild Conditions Using Supported Palladium Nanoparticles (2018)
Journal Article
Elhage, A., Lanterna, A. E., & Scaiano, J. C. (2018). Light-Induced Sonogashira C–C Coupling under Mild Conditions Using Supported Palladium Nanoparticles. ACS Sustainable Chemistry and Engineering, 6(2), 1717-1722. https://doi.org/10.1021/acssuschemeng.7b02992

The Sonogashira reaction can easily be photocatalyzed by supported palladium nanoparticles. Herein, we demonstrate that the direct excitation of PdNPs can catalyze the C–C coupling between different aryl iodides and acetylenes under very mild conditi... Read More about Light-Induced Sonogashira C–C Coupling under Mild Conditions Using Supported Palladium Nanoparticles.

Click Chemistry: Mechanistic Insights into the Role of Amines Using Single-Molecule Spectroscopy (2017)
Journal Article
Wang, B., Lanterna, A. E., & Scaiano, J. C. (2017). Click Chemistry: Mechanistic Insights into the Role of Amines Using Single-Molecule Spectroscopy. ACS Catalysis, 7(12), 8487-8492. https://doi.org/10.1021/acscatal.7b03150

Single-molecule spectroscopy is used to gain insights into the click chemistry reaction photocatalyzed by copper. We show that CuxO@Nb2O5 catalysts can act as truly heterogeneous photocatalysts and that the amine plays an important role in the comple... Read More about Click Chemistry: Mechanistic Insights into the Role of Amines Using Single-Molecule Spectroscopy.

Thiol-Stabilized Gold Nanoparticles: New Ways To Displace Thiol Layers Using Yttrium or Lanthanide Chlorides (2017)
Journal Article
Vanegas, J. P., Scaiano, J. C., & Lanterna, A. E. (2017). Thiol-Stabilized Gold Nanoparticles: New Ways To Displace Thiol Layers Using Yttrium or Lanthanide Chlorides. Langmuir, 33(43), 12149-12154. https://doi.org/10.1021/acs.langmuir.7b01898

We use the aurophilic interactions shown by lanthanides to overcome the sulfur–gold interaction. UV–vis and X-ray photoelectron spectroscopy confirm that yttrium or lanthanide chlorides easily displace sulfur ligands from the surface of thiol-stabili... Read More about Thiol-Stabilized Gold Nanoparticles: New Ways To Displace Thiol Layers Using Yttrium or Lanthanide Chlorides.

Visible Light Production of Hydrogen by Ablated Graphene: Water Splitting or Carbon Gasification? (2017)
Journal Article
Fasciani, C., Lanterna, A. E., Giorgi, J. B., & Scaiano, J. C. (2017). Visible Light Production of Hydrogen by Ablated Graphene: Water Splitting or Carbon Gasification?. Journal of the American Chemical Society, 139(32), 11024-11027. https://doi.org/10.1021/jacs.7b06570

Reduced graphene oxide modified by pulsed laser ablation causes water splitting under visible light illumination (532 nm). When the light source is a pulsed laser, water splitting is accompanied by carbon gasification (CO formation); however, convent... Read More about Visible Light Production of Hydrogen by Ablated Graphene: Water Splitting or Carbon Gasification?.

Photophysics of 7-mercapto-4-methylcoumarin and derivatives: complementary fluorescence behaviour to 7-hydroxycoumarins (2017)
Journal Article
Lanterna, A. E., González-Béjar, M., Frenette, M., & Scaiano, J. C. (2017). Photophysics of 7-mercapto-4-methylcoumarin and derivatives: complementary fluorescence behaviour to 7-hydroxycoumarins. Photochemical & Photobiological Sciences Photochemical and Photobiological Sciences, 16(8), 1284-1289. https://doi.org/10.1039/c7pp00121e

The photophysical behaviour of 7-mercapto-4-methylcoumarin (C-SH) and derivatives has been studied in different solvents. In contrast to 7-hydroxy-4-methylcoumarin, C-SH shows poor emission, but high fluorescence when the thiol is alkylated. The orig... Read More about Photophysics of 7-mercapto-4-methylcoumarin and derivatives: complementary fluorescence behaviour to 7-hydroxycoumarins.

Is Single-Molecule Fluorescence Spectroscopy Ready To Join the Organic Chemistry Toolkit? A Test Case Involving Click Chemistry (2017)
Journal Article
Scaiano, J. C., & Lanterna, A. E. (2017). Is Single-Molecule Fluorescence Spectroscopy Ready To Join the Organic Chemistry Toolkit? A Test Case Involving Click Chemistry. Journal of Organic Chemistry, 82(10), 5011-5019. https://doi.org/10.1021/acs.joc.6b03010

Single molecule spectroscopy (SMS) has matured to a point where it can be used as a convenient tool to guide organic synthesis and drug discovery, particularly applicable to catalytic systems where questions related to homogeneous vs heterogeneous pa... Read More about Is Single-Molecule Fluorescence Spectroscopy Ready To Join the Organic Chemistry Toolkit? A Test Case Involving Click Chemistry.

Tunable Photocatalytic Activity of Palladium-Decorated TiO2: Non-Hydrogen-Mediated Hydrogenation or Isomerization of Benzyl-Substituted Alkenes (2016)
Journal Article
Elhage, A., Lanterna, A. E., & Scaiano, J. C. (2017). Tunable Photocatalytic Activity of Palladium-Decorated TiO2: Non-Hydrogen-Mediated Hydrogenation or Isomerization of Benzyl-Substituted Alkenes. ACS Catalysis, 7(1), 250-255. https://doi.org/10.1021/acscatal.6b02832

Palladium-decorated TiO2 is a moisture- and air-tolerant versatile catalyst. Its photocatalytic activity can be tuned in favor of hydrogenation or isomerization of benzyl-substituted alkenes simply by changing the irradiation wavelength. Benzyl-subst... Read More about Tunable Photocatalytic Activity of Palladium-Decorated TiO2: Non-Hydrogen-Mediated Hydrogenation or Isomerization of Benzyl-Substituted Alkenes.

From the molecule to the mole: improving heterogeneous copper catalyzed click chemistry using single molecule spectroscopy (2016)
Journal Article
Wang, B., Durantini, J., Decan, M. R., Nie, J., Lanterna, A. E., & Scaiano, J. C. (2017). From the molecule to the mole: improving heterogeneous copper catalyzed click chemistry using single molecule spectroscopy. Chemical Communications, 53(2), 328-331. https://doi.org/10.1039/c6cc08905d

Single molecule spectroscopy (SMS) inspired the optimization of a heterogeneous ‘click’ catalyst leading to enhanced yields of the Cu-catalyzed reaction of azides with terminal alkynes. Changes in SMS data after optimization confirm the improvements... Read More about From the molecule to the mole: improving heterogeneous copper catalyzed click chemistry using single molecule spectroscopy.

Heterogeneous Photocatalytic Click Chemistry (2016)
Journal Article
Wang, B., Durantini, J., Nie, J., Lanterna, A. E., & Scaiano, J. C. (2016). Heterogeneous Photocatalytic Click Chemistry. Journal of the American Chemical Society, 138(40), 13127-13130. https://doi.org/10.1021/jacs.6b06922

Copper-doped semiconductors are designed to photoassist the alkyne-azide cycloaddition catalysis by Cu(I). Upon irradiation, injection of electrons from the semiconductor into copper oxide nanostructures produces the catalytic Cu(I) species. The new... Read More about Heterogeneous Photocatalytic Click Chemistry.

Improving the Sunscreen Properties of TiO2 through an Understanding of Its Catalytic Properties (2016)
Journal Article
Morsella, M., d’Alessandro, N., Lanterna, A. E., & Scaiano, J. C. (2016). Improving the Sunscreen Properties of TiO2 through an Understanding of Its Catalytic Properties. ACS Omega, 1(3), 464-469. https://doi.org/10.1021/acsomega.6b00177

The use of particulate titanium dioxide (TiO2) as an active sunscreen ingredient has raised concerns about potential risks from TiO2-mediated free radical formation. To date, remediation attempts have concentrated on reducing the yield of free radica... Read More about Improving the Sunscreen Properties of TiO2 through an Understanding of Its Catalytic Properties.

Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles (2016)
Journal Article
Higman, C. S., Lanterna, A. E., Marin, M. L., Scaiano, J. C., & Fogg, D. E. (2016). Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles. ChemCatChem, 8(15), 2446-2449. https://doi.org/10.1002/cctc.201600738

The second‐generation Grubbs catalyst, RuCl2(H2IMes)(PCy3) (=CHPh) [GII ; H2IMes=1,3‐bis(2,4,6‐trimethylphenyl)‐4,5‐dihydroimidazol‐2‐ylidene, Cy=cyclohexyl], is shown to decompose during olefin metathesis to generate Ru nanoparticles (RuNPs). These... Read More about Catalyst Decomposition during Olefin Metathesis Yields Isomerization-Active Ruthenium Nanoparticles.

Two-Photon Excitation of a Plasmonic Nanoswitch Monitored by Single-Molecule Fluorescence Microscopy (2016)
Journal Article
Impellizzeri, S., Simoncelli, S., Hodgson, G. K., Lanterna, A. E., McTiernan, C. D., Raymo, F. M., …Scaiano, J. C. (2016). Two-Photon Excitation of a Plasmonic Nanoswitch Monitored by Single-Molecule Fluorescence Microscopy. Chemistry - A European Journal, 22(21), 7281-7287. https://doi.org/10.1002/chem.201600218

Visible‐light excitation of the surface plasmon band of silver nanoplates can effectively localize and concentrate the incident electromagnetic field enhancing the photochemical performance of organic molecules. Herein, the first single‐molecule stud... Read More about Two-Photon Excitation of a Plasmonic Nanoswitch Monitored by Single-Molecule Fluorescence Microscopy.

A Mechanistic Study of Halogen Addition and Photoelimination from π-Conjugated Tellurophenes (2016)
Journal Article
Carrera, E. I., Lanterna, A. E., Lough, A. J., Scaiano, J. C., & Seferos, D. S. (2016). A Mechanistic Study of Halogen Addition and Photoelimination from π-Conjugated Tellurophenes. Journal of the American Chemical Society, 138(8), 2678-2689. https://doi.org/10.1021/jacs.5b11649

The ability to drive reactivity using visible light is of importance for many disciplines of chemistry and has significant implications for sustainable chemistry. Identifying photochemically active compounds and understanding photochemical mechanisms... Read More about A Mechanistic Study of Halogen Addition and Photoelimination from π-Conjugated Tellurophenes.

Synthesis of gold nanoparticles using electron-donating dithiafulvene units (2015)
Journal Article
Lanterna, A. E., Coronado, E. A., & Granados, A. M. (2020). Synthesis of gold nanoparticles using electron-donating dithiafulvene units. Tetrahedron Letters, 56(34), 4871-4876. https://doi.org/10.1016/j.tetlet.2015.06.064

Dithiafulvene (DTF) derivative compounds were used as reducing agents to synthesize capped gold nanoparticles (AuNPs). DTF derivatives had shown good capability to reduce Au(III) to Au(0) without further addition of common reducing agents, and at the... Read More about Synthesis of gold nanoparticles using electron-donating dithiafulvene units.

Heterogeneous photocatalytic C–C coupling: mechanism of plasmon-mediated reductive dimerization of benzyl bromides by supported gold nanoparticles (2015)
Journal Article
Lanterna, A. E., Elhage, A., & Scaiano, J. C. (2015). Heterogeneous photocatalytic C–C coupling: mechanism of plasmon-mediated reductive dimerization of benzyl bromides by supported gold nanoparticles. Catalysis Science and Technology, 5(9), 4336-4340. https://doi.org/10.1039/c5cy00655d

The use of gold nanoparticles supported on TiO2 (Au@TiO2) as photocatalysts was extended to include photoinduced reductive C–C coupling. Surface plasmon excitation of supported AuNPs in the presence of an amine leads to the C–C coupling of a variety... Read More about Heterogeneous photocatalytic C–C coupling: mechanism of plasmon-mediated reductive dimerization of benzyl bromides by supported gold nanoparticles.

Enhanced catalytic electrochemical reduction of dissolved oxygen with ultraclean cucurbituril[7]-capped gold nanoparticles (2014)
Journal Article
Lanterna, A., Pino, E., Doménech-Carbó, A., González-Béjar, M., & Pérez-Prieto, J. (2014). Enhanced catalytic electrochemical reduction of dissolved oxygen with ultraclean cucurbituril[7]-capped gold nanoparticles. Nanoscale, 6(16), 9550-9553. https://doi.org/10.1039/c4nr01967a

Gold nanoparticles capped with cucurbituril[7] have been prepared in the absence of metallic cations and organic ligands. Remarkably, these nanohybrids encapsulate dissolved oxygen and are highly active in electrochemical reduction. The effect of the... Read More about Enhanced catalytic electrochemical reduction of dissolved oxygen with ultraclean cucurbituril[7]-capped gold nanoparticles.

Distinctive Interactions of Oleic Acid Covered Magnetic Nanoparticles with Saturated and Unsaturated Phospholipids in Langmuir Monolayers (2014)
Journal Article
Matshaya, T. J., Lanterna, A. E., Granados, A. M., Krause, R. W. M., Maggio, B., & Vico, R. V. (2014). Distinctive Interactions of Oleic Acid Covered Magnetic Nanoparticles with Saturated and Unsaturated Phospholipids in Langmuir Monolayers. Langmuir, 30(20), 5888-5896. https://doi.org/10.1021/la500903m

The growing number of innovations in nanomedicine and nanobiotechnology are posing new challenges in understanding the full spectrum of interactions between nanomateriales and biomolecules at nano-biointerfaces. Although considerable achievements hav... Read More about Distinctive Interactions of Oleic Acid Covered Magnetic Nanoparticles with Saturated and Unsaturated Phospholipids in Langmuir Monolayers.

Thiosaccharine disulfide: Synthesis, crystal structure, spectroscopic characterization and theoretical study (2012)
Journal Article
Ferullo, R. M., Granados, A., Lanterna, A., Güida, J. A., Piro, O. E., Castellano, E. E., & Dennehy, M. (2013). Thiosaccharine disulfide: Synthesis, crystal structure, spectroscopic characterization and theoretical study. Journal of Molecular Structure, 1032, 48-55. https://doi.org/10.1016/j.molstruc.2012.07.043

The title compound, (thiosaccharine disulfide), bis[1,1′dioxide-2,3-dihidro-1,2-benzoisothiazol]disulfide, (tsac)2 has been synthesized and fully characterized by UV–Visible, IR, Raman, 1H and 13C NMR spectroscopy elemental analysis and structural X-... Read More about Thiosaccharine disulfide: Synthesis, crystal structure, spectroscopic characterization and theoretical study.

When Nanoparticle Size and Molecular Geometry Matter: Analyzing the Degree of Surface Functionalization of Gold Nanoparticles with Sulfur Heterocyclic Compounds (2012)
Journal Article
Lanterna, A. E., Coronado, E. A., & Granados, A. M. (2012). When Nanoparticle Size and Molecular Geometry Matter: Analyzing the Degree of Surface Functionalization of Gold Nanoparticles with Sulfur Heterocyclic Compounds. Journal of Physical Chemistry C, 116(11), 6520-6529. https://doi.org/10.1021/jp209816g

The degree of surface functionalization of colloidal dispersions of Au nanoparticles (AuNPs) by sulfur heterocyclic compounds is determined using localized surface plasmon resonance spectroscopy (LSPRS), morphological characterization, and electrodyn... Read More about When Nanoparticle Size and Molecular Geometry Matter: Analyzing the Degree of Surface Functionalization of Gold Nanoparticles with Sulfur Heterocyclic Compounds.