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標題: Manipulated the band gap of 1D ZnO nano-rods array with controlled solution concentration and its application for DSSCs
作者: Chao, C.H.
Chan, C.H.
Huang, J.J.
Chang, L.S.
Shih, H.C.
關鍵字: ZnO nano-rod;Hydrothermal method;Dye sensitized solar cells;sensitized solar-cells;tio2;light;electrolyte;transport
Project: Current Applied Physics
期刊/報告no:: Current Applied Physics, Volume 11, Issue 1, Page(s) S136-S139.
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.
ISSN: 1567-1739
DOI: 10.1016/j.cap.2010.11.056
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