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Team Bridges Nanocatalyst Size Gap for Real-Time Data

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COLUMBIA, S.C., and HOUSTON, June 9, 2014 — Obtaining real-time reaction information from nanocatalysts has long impeded attempts to describe them in detailed kinetic behavior. But a team from the University of South Carolina and Rice University has discovered just how to do it. The researchers were able to bridge a size gap, representing a wide chasm. According to Hui Wang, a lead researcher and assistant professor of chemistry and biochemistry at South Carolina, metals such as silver, gold, platinum and palladium must be nanoparticles smaller than 5 nm to be effective nanocatalysts. However, the 5 nm requirement...Read full article

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    Published: June 2014
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    surface-enhanced raman spectroscopy
    Surface-enhanced Raman spectroscopy (SERS) is an analytical technique that combines the principles of Raman spectroscopy with the enhancement provided by nanostructured metallic surfaces. Raman spectroscopy is a method used to study vibrational, rotational, and other low-frequency modes in a system by measuring the inelastic scattering of monochromatic light, typically from a laser source. SERS enhances the Raman signal by many orders of magnitude, enabling the detection and identification of...
    AmericasBasic SciencegoldnanonanocatalystsnanomaterialsnanoparticlespalladiumPlasmon resonanceplatinumResearch & TechnologyRice UniversitySERSsilverSouth Carolinasurface-enhanced Raman spectroscopyTexasUniversity of South Carolinakinetic behaviorHui WangLasers

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