منابع مشابه
QUANTITATIVE STUDY OF Au CATALYTIC NANOPARTICLES BY STEM AND HRTEM
The highly dispersed metal (e.g. Au) nanoparticles have exhibited exceptional catalytic activity for several reactions, including CO oxidation. Their high catalytic activity has been attributed to nanoparticles nano-structural effects (including cluster thickness, shape, chemical information, and number of atoms of the cluster). The three dimensional exact structure and chemical bonding state o...
متن کاملEthylene binding to Au/Cu alloy nanoparticles
a Materials Science and Engineering Program, The University of Texas at Austin, Austin, TX 78712, United States b Department of Chemistry and the Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, TX 78712, United States c Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX 78712, United States d Departme...
متن کاملStructural and Optical Behavior of Cu Doped Au Nanoparticles Synthesized by Wet-Chemical Method
The nanoparticles of gold doped with various percentage of copper (Cu 10%, 25%, 75%) were synthesized by wet-chemical method at room temperature. Copper (II) sulfate and gold (III) chloride trihydride was taken as the metal precursor and ascorbic acid as a reducing agent and anhydride maleic as surfactant. The reaction is performed with high-speed stirring at room temperature under nitrogen atm...
متن کاملStructural and Optical Behavior of Cu Doped Au Nanoparticles Synthesized by Wet-Chemical Method
The nanoparticles of gold doped with various percentage of copper (Cu 10%, 25%, 75%) were synthesized by wet-chemical method at room temperature. Copper (II) sulfate and gold (III) chloride trihydride was taken as the metal precursor and ascorbic acid as a reducing agent and anhydride maleic as surfactant. The reaction is performed with high-speed stirring at room temperature under nitrogen atm...
متن کاملSystematics of Global Observables in Cu+Cu and Au+Au Collisions at RHIC Energies
Charged particles produced in Cu+Cu collisions at √ sNN = 200 and 62.4 GeV have been measured in the PHOBOS experiment at RHIC. The comparison of the results for Cu+Cu and Au+Au for the most central collisions at the same energy reveals that the particle density per nucleon participant pair and the extended longitudinal scaling behavior are similar in both systems. This implies that for the mos...
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ژورنال
عنوان ژورنال: Microscopy and Microanalysis
سال: 2011
ISSN: 1431-9276,1435-8115
DOI: 10.1017/s1431927611006131