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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?.