Manipulated the band gap of 1D ZnO nano-rods array with controlled solution concentration and its application for DSSCs

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题名:	Manipulated the band gap of 1D ZnO nano-rods array with controlled solution concentration and its application for DSSCs
作者:	Chao, CH (Chao, Ching-Hsun) Chan, CH (Chan, Chien-Hung) Huang, JJ (Huang, Jung-Jie) Chang, LS (Chang, Li-Shin) Shih, HC (Shih, Han-C.)
贡献者:	Dept Chem & Mat Engn
关键词:	ZnO nano-rod Hydrothermal method Dye sensitized solar cells
日期:	2011-01
上传时间:	2013-01-31 13:00:30 (UTC+8)
摘要:	One-dimensional (1D) ZnO nano-rods array was grown by the hydrothermal method. ITO substrates were immersed in equal-molar of zinc nitrate (Zn(NO)(3)center dot 6H(2)O) and methenamine (C(6)H(12)N(4)) aqueous solution at 90 degrees C for 24 h to grow ZnO nano-rods. The reaction solutions with different molar concentrations were used to growth different thickness and diameter of ZnO nano-rods. The shape of ZnO nanorods is hexagonal and the grain size can be changed from 30 nm to 500 nm with the prefer orientation of (002). Finally, ZnO nano-rods films were used as electrode materials to fabricate dye sensitized solar cells (DSSCs). A fill factor of 33.43%, short-circuit current of 11.877 mA/cm(2), open-circuit voltage of 0.486 V and an overall light to electricity conversion efficiency of 1.932% were obtained. (c) 2010 Elsevier B.V. All rights reserved.
關聯:	CURRENT APPLIED PHYSICS 卷: 11 期: 1 特刊: SI 補充: 1 頁數: S136-S139
显示于类别:	[化學工程與材料工程學系暨碩士班] 期刊論文

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