期刊
APPLIED SURFACE SCIENCE
卷 257, 期 15, 页码 6908-6911出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2011.03.029
关键词
Zinc oxide; Phthalocyanine; Electrodeposition; Photovoltaic properties
类别
资金
- Natural Science Foundation of China [20731002, 20971019, 21001021]
- Science Foundation for Young Teachers of Northeast Normal University [20090403]
Hybrid film of zinc oxide (ZnO) and tetrasulfonated copper phthalocyanine (TSPcCu) was grown on an indium tin oxide (ITO) glass by one-step cathodic electrodeposition from aqueous mixtures of Zn(NO3)(2), TSPcCu and KCl. The addition of TSPcCu strongly influences the morphology and crystallographic orientation of the ZnO. The nanosheets stack of ZnO leads to a porous surface structure which is advantageous to further adsorb organic dyes. The photovoltaic properties were investigated by assembling the DSSC device based on both the only ZnO film and the ZnO/TSPcCu hybrid films. Photoelectrochemical analysis revealed that the optimized DSSC device with TSPcCu represented a more than three-fold improvement in power conversion efficiency than the device without TSPcCu. The DSSC based on ZnO/TSPcCu hybrid films demonstrates an open circuit voltage of 0.308 V, a short circuit current of 90 mu A cm(-2), a fill factor of 0.26, and a power conversion efficiency of 0.14%. (C) 2011 Elsevier B. V. All rights reserved.
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