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A Thermogravimetric Study of Alakanethiolate Monolayer-Capped Gold Nanoparticle Catalysts

Published online by Cambridge University Press:  01 February 2011

Mathew M. Maye
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Sandy Chen
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Wai-Ben Chan
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Lingyan Wang
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Peter Njoki
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
I-Im-. S. Lim
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Jennifer Mitchell
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Li Han
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Jin Luo
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
Chuan-Jian Zhong
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902.
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Abstract

The application of molecularly-capped gold nanoparticles (1–5 nm) in catalysis (e.g., electrocatalytic oxidation of CO and methanol) requires a thorough understanding of the surface composition and structural properties. Gold nanoparticles consisting of metallic or alloy cores and organic encapsulating shells serve as an intriguing model system. One of the challenges for the catalytic application is the ability to manipulate the core and the shell properties in controllable ways. There is a need to understand the relative core-shell composition and the ability to remove the shell component under thermal treatment conditions. In this paper, we report results of a thermogravimetric analysis of the alkanethiolate monolayer-capped gold nanoparticles. This investigation is aimed at enhancing our understanding of the relative core-shell composition and thermal profiles.

Type
Research Article
Copyright
Copyright © Materials Research Society 2004

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A Thermogravimetric Study of Alakanethiolate Monolayer-Capped Gold Nanoparticle Catalysts
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