Rhodium nanoparticles for ultraviolet plasmonics.
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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.
Published Version (Please cite this version)10.1021/nl5040623
Publication InfoWatson, A; Zhang, X; Alcaraz de la Osa, R; Marcos Sanz, J; González, F; Moreno, F; ... Everitt, Henry (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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Adjunct Professor of Physics
Dr. Everitt is one of the Army's chief scientists. He works at the Army's Aviation and Missile RD&E Center at Redstone Arsenal, AL. Through his adjunct appointment in the Duke Physics Department, he leads an active experimental research group in condensed matter physics, nanophotonics, molecular physics, and novel terahertz imaging with colleagues on campus and through an international network of collaborators. Four principal research areas are being pursued: 1) Ultrafast Spectroscopy.
Professor of Physics
Gleb Finkelstein is an experimental physicist interested in inorganic and biologically inspired nanostructures: carbon nanotubes, graphene, and self-assembled DNA 'origami'. These objects reveal a variety of interesting electronic properties that may form a basis for future detectors and sensors, or serve as individual devices in quantum information processing.
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