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《Journal of Synthetic Crystals》 2013-01
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Preparation and Photoelectrochemical Performance for ZnO Nanorod Arrays/Nanoparticles Aggregate Composite Films

JIA Wei1,2,LIU Hai-rui1,2,DANG Sui-hu1,2,ZHANG Zhu-xia1,2,LIU Xu-guang1,2,XU Bing-she1,2(1.Key Laboratory of Interface Science and Engineering in Advanced Materials,Ministry of Education,Taiyuan University of Technology, Taiyuan 030024,China;2.Research Center of Advanced Materials Science and Technology,Taiyuan University of Technology,Taiyuan 030024,China)  
ZnO nanorod arrays were firstly grown on FTO conducting glass via a simple chemical bath deposition method,then ZnO nanorod arrays/nanoparticles aggregate composite films were obtained by sequential growth of ZnO nanorod arrays.The dye-covered ZnO electrodes,Pt counter electrode and electrolyte solution were assembled into dye-sensitized solar cells(DSSCs).Due to their relatively high surface area,fast electron transport,and enhanced light-scattering capability,a short current density(Jsc) of 11.7 mA/cm2,an open-circuit voltage(Voc) of 0.661 V,a fill factor(FF) of 0.384,and overall solar-to-electric energy conversion efficiency of 3.17% were achieved for the ZnO nanorod arrays/nanoparticles aggregate composite films DSSCs under sunlight illumination with AM1.5(100 mW/cm2),which were much higher than those obtained for the monodisperse aggregate DSSCs and ZnO nanorod array DSSCs.
【Fund】: 长江学者和创新团队发展计划(IRT0972);; 国家自然科学基金(51002102);; 山西省自然科学基金(2011011022-1);; 山西省高等学校优秀青年学术带头人资助项目
【CateGory Index】: TB383.2
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