Abstract
This paper describes recent progress of an investigation of the synthesis, processing, assembly and activation of gold nanoparticles that are of potential interest to fuel cell catalysis. Core-shell type gold nanoparticles of a few nanometer core size with organic monolayer encapsulation are highlighted. The activation of the core-shell nanoparticle assemblies towards nanostructured catalyst for potential fuel cell catalytic reactions is discussed. The understanding of the control factors in terms of nanocrystal size and interparticle spatial properties has important implications to the design of highly active nanogold catalysts for practical applications.
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The Au/Pt ratio in the alloy nanoparticles can be regulated by the feed ratio of AuCl4 − vs. PtCl6 −. M.M. Maye, J. Luo, L. Han, N.N. Kariuki, C.J. Zhong, to be published.
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About the Authors Mathew Maye is currently a Ph.D. candidate in the Department of Chemistry at State University of New York (SUNY) at Binghamton. He received his B.S. degree in chemistry (2001). His thesis research under the direction of C.J. Zhong has focused on the synthesis and processing of core-shell gold and alloy nanoparticles as fuel cell catalysts and the assembly of novel nanostructures.
Li Han is currently a Ph.D. student in the Department of Chemistry at SUNY-Binghamton. She received her B.S. degree in chemistry from Wuhan University in China (1999). Her thesis research under the direction of C.J. Zhong focuses on the assembly and characterization of core shell nanoparticles and catalysts and the design of nanostructure sensors for environmental monitoring.
Nancy Kariuki is currently a Ph.D. student in the Department of Chemistry at SUNY-Binghamton. She received her B.S. and M.Sc. degrees in chemistry from Egerton University in Kenya (1996). She was a visiting scholar to Qinghua University in China in 1999. Her thesis research under the direction of C.J. Zhong focuses on the design and fabrication of nanostructured materials and catalysts and novel microfluidic devices for electroanalytic and electrocatalytic applications.
Dr. Jin Luo is a senior associate scientist working in C.J. Zhong's Laboratory at SUNY-Binghamton. He received his Ph.D. in Physical Chemistry at Xiamen University and the University of Tokyo (1990), where his thesis research involved photoelectrochemistry and spectroelectrochemistry. Before joining the SUNY-Binghamton research team, he was an associate professor at Xiamen University and a visiting scientist at SUNY-Potsdam. His research interest involves interfacial electrochemistry, nanoparticle catalysis, scanning probe microscopy, and spectroelectrochemical techniques.
Dr. C.J. Zhong is an assistant professor at SUNYBinghamton. His Ph.D. study at Xiamen University and early research appointments at Fritz-Haber-Institute, University of Minnesota and Iowa State University covered broad interdisciplinary fields in analytical, materials, surface chemistry and electrochemistry. His recent interest in nanoparticles and nanotechnology is aimed at exploring both fundamental and practical issues in developing advanced materials and technologies for fuel cell, sensor and biomedical applications.
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Maye, M.M., Luo, J., Han, L. et al. Synthesis, processing, assembly and activation of core-shell structured gold nanoparticle catalysts. Gold Bull 36, 75–82 (2003). https://doi.org/10.1007/BF03215494
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DOI: https://doi.org/10.1007/BF03215494