Rhodium nanoparticles for ultraviolet plasmonics.
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2015-02-11
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Abstract
The nonoxidizing catalytic noble metal rhodium is introduced for ultraviolet plasmonics. Planar tripods of 8 nm Rh nanoparticles, synthesized by a modified polyol reduction method, have a calculated local surface plasmon resonance near 330 nm. By attaching p-aminothiophenol, local field-enhanced Raman spectra and accelerated photodamage were observed under near-resonant ultraviolet illumination, while charge transfer simultaneously increased fluorescence for up to 13 min. The combined local field enhancement and charge transfer demonstrate essential steps toward plasmonically enhanced ultraviolet photocatalysis.
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Watson, Anne M, Xiao Zhang, Rodrigo Alcaraz de la Osa, Juan Marcos Sanz, Francisco González, Fernando Moreno, Gleb Finkelstein, Jie Liu, et al. (2015). Rhodium nanoparticles for ultraviolet plasmonics. Nano Lett, 15(2). pp. 1095–1100. 10.1021/nl5040623 Retrieved from https://hdl.handle.net/10161/13869.
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Gleb Finkelstein
Gleb Finkelstein is an experimentalist interested in physics of quantum nanostructures, such as Josephson junctions and quantum dots made of carbon nanotubes, graphene, and topological materials. These objects reveal a variety of interesting electronic properties that may form a basis for future quantum devices.
Jie Liu
Dr. Liu’s research interests are focusing on the chemistry and material science of nanoscale materials. Specific topics in his current research program include: Self-assembly of nanostructures; Preparation and chemical functionalization of single walled carbon nanotubes; Developing carbon nanotube based chemical and biological sensors; SPM based fabrication and modification of functional nanostructures.
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