Outputs (49)

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.

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.