期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 157, 期 9, 页码 K206-K210出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.3464800
关键词
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资金
- National Science Council of Taiwan [NSC 98-2221-E-034-007-MY2]
Pt/SnO2 core-shell nanowires were prepared by a process that involves thermal evaporation of SnO2 nanowires and subsequent atomic layer deposition of Pt, and their gas- and photon-sensing properties were investigated systematically. Transmission electron microscopy analysis showed that the Pt shell with a thickness of 8.8 nm is composed of numerous Pt nanoparticles with average diameters of similar to 5.3 nm. The Pt/SnO2 core-shell nanowires with high electrical conductance exhibit remarkably enhanced ethanol gas-and photon-sensing properties due to the surface functionalization resulting from the effective Pt catalyst and the formation of hetero-nanostructures fabricated by the SnO2 core and Pt shell. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3464800] All rights reserved.
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