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Electrical and Electrochemical Properties of Nanocomposite Thin Films Formed by Exchange-Precipitation Route from Nanocrystals and Organic Cross-Linkers

Published online by Cambridge University Press:  21 March 2011

Frank L. Leibowitz ,
Wenxia Zheng ,
Mathew M. Maye ,
Nam K. Ly  and
Chuan-Jian Zhong
Frank L. Leibowitz
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902
Wenxia Zheng
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902
Mathew M. Maye
Affiliation:
Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902
Nam K. Ly
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, [email protected]
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Abstract

The structural, electrical and electrochemical properties of nanoparticle thin films derived by a one-step exchange-crosslinking-precipitation route were characterized by microscopic, spectroscopic and electrochemical techniques. Thiolate-encapsulated gold nanocrystals of 2-nm and 5-nm core sizes and alkyldithiol crosslinkers were studied as a model system. The mixing of the two components in solutions allowed sequential exchanging, crosslinking and precipitation of dithiol-crosslinked nanocrystal thin films. The films were specularly reflecting and electronically continuous, and have potential applications in catalysis and molecular recognition.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 598: Symposium BB – Electrical, Optical, & Magenetic Properties...V , 1999 , BB3.63
Copyright
Copyright © Materials Research Society 1999

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