News Column

New Nanocrystals Findings from School of Chemical and Biomolecular Engineering Described

June 3, 2014

By a News Reporter-Staff News Editor at Life Science Weekly -- Current study results on Nanocrystals have been published. According to news reporting originating in Atlanta, Georgia, by NewsRx journalists, research stated, "The structure sensitivity of acetylene hydrogenation was studied over size-controlled cubic and octahedral Pd nanocrystals (NCs) supported on ZnO and SiO2. Acetylene hydrogenation was found to be structure sensitive [with Pd(111) in octahedra being more active than Pd(100) in cubes]."

The news reporters obtained a quote from the research from the School of Chemical and Biomolecular Engineering, "However, the response was found to vary depending on the redox properties of the support. The catalytically active and selective palladium carbide (PdCx) phase was readily formed on the SiO2-supported Pd NCs (much faster on cubes than on octahedra), whereas a markedly less active PdZn phase was preferentially formed on the ZnO-supported Pd nanocrystals."

According to the news reporters, the research concluded: "Here we show that the structure sensitivity of a chemical reaction is a complex phenomenon that originates from the reconstruction of the active phase in response to the reactive environment, which is ultimately determined by the support used."

For more information on this research see: Size and Shape-controlled Pd Nanocrystals on ZnO and SiO2: When the Nature of the Support Determines the Active Phase. Chemcatchem, 2014;6(3):767-771. Chemcatchem can be contacted at: Wiley-V C H Verlag Gmbh, Boschstrasse 12, D-69469 Weinheim, Germany. (Wiley-Blackwell -; Chemcatchem -

Our news correspondents report that additional information may be obtained by contacting M. Crespo-Quesada, Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332, United States. Additional authors for this research include S. Yoon, M.S. Jin, Y.N. Xia, A. Weidenkaff and L. Kiwi-Minsker (see also Nanocrystals).

Keywords for this news article include: Atlanta, Georgia, United States, Nanotechnology, Emerging Technologies, North and Central America

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Source: Life Science Weekly