Preparation of Pt/SnO(2) Core-Shell Nanowires with Enhanced Ethanol Gas- and Photon-Sensing Properties

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题名:	Preparation of Pt/SnO(2) Core-Shell Nanowires with Enhanced Ethanol Gas- and Photon-Sensing Properties
作者:	Lin, YH (Lin, Yu-Hung) Hsueh, YC (Hsueh, Yang-Chih) Lee, PS (Lee, Po-Sheng) Wang, CC (Wang, Chih-Chieh) Chen, JR (Chen, Jiann-Ruey) Wu, JM (Wu, Jyh-Ming) Perng, TP (Perng, Tsong-Pyng) Shih, HC (Shih, Han C.)
贡献者:	化材所
关键词:	ATOMIC LAYER DEPOSITION DOPED SNO2 NANOWIRES OXIDE PARTICLES NANORODS SENSORS CELLS
日期:	2010
上传时间:	2011-12-15 15:56:34 (UTC+8)
摘要:	Pt/SnO(2) core-shell nanowires were prepared by a process that involves thermal evaporation of SnO(2) 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/SnO(2) 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 SnO(2) core and Pt shell. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3464800] All rights reserved.
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