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《Acta Energiae Solaris Sinica》 2012-01
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APPLICATION OF BENZOTHIAZOLE AND THEIR IODIDES IN DYE SENSITIZED SOLAR CELLS

Yang Yanzhen1,Tao Li2,3,Wu Yucheng1,Shi Chengwu2,3,Zhang Yuanyuan2(1.School of Materials Science and Engineering,Hefei University of Technology,Hefei 230009,China; 2.School of Chemical Engineering,Hefei University of Technology,Hefei 230009,China; 3.Key Lab of Novel Thin Film Solar Cells,Chinese Academy of Sciences,Hefei 230031,China)  
Influence of the heterocyclic structure and heteroatom N/S of additives,benzothiazole(BT),2-methyl benzothiazole(MBT),3-methyl benzothiazolium iodide(MBTI),2,3-dimethyl benzothiazolium iodide(DMBTI) and 4-tert-butylpyridine(TBP),on I3-/I-redox behavior and the Pt electrode/solution interface reaction was investigated by cyclic voltammetry using a Pt disk ultramicroelectrode and electrochemical impedance spectroscopy.The results revealed that the apparent diffusion coefficient of I3-and I-in solution decreased with additives being added.The charge transfer resistance at the Pt electrode|electrolyte interface increased by adding BT,MBT,TBP and decreased by adding MBTI,DMBT.From the photovoltaic performance of these DSCs,it was concluded that pyridine cycle was better than benzothiazole cycle and basic N atom was better than basic S atom in these additives.
【Fund】: 国家重点基础研究发展(973)计划(2006CB202600);; 国家高技术研究发展(863)计划(2009AA050603);; 安徽省人才开发专项资金;; 中国科学院新型薄膜太阳电池重点实验室开放课题(KF200901);; 安徽省高等学校省级自然科学研究重点项目(KJ2010A266);; 合肥工业大学学生创新基金(XS09037)
【CateGory Index】: TM914.4
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 TAO Li1,2 YANG Yan-Zhen1,2 SHI Cheng-Wu1,2,4,WU Yu-Cheng3,4,WU Xiao-Yan1 (1School of Chemical Engineering,Hefei University of Technology,Hefei 230009,P.R.China;2Key Laboratory of Novel Thin Film Solar Cells,Chinese Academy of Sciences,Hefei 230031,P.R.China;3School of Materials Science and Engineering,Hefei University of Technology,Hefei 230009,P.R.China;4Postdoctoral Research Workstation,Bengbu Investment Group Co.,Ltd.,Bengbu 233000,Anhui Province,P.R.China);Improved Preparation of Benzothiazolium Iodides and Their Application in Dye Sensitized Solar Cells[J];物理化学学报;2010-03
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 SHI Ji-Fu XU Gang* MIAO Lei XU Xue-Qing (Guangzhou Institute of Energy Conversion, Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy of Science, Guangzhou 510640, P. R. China);p-Type and pn-Type Dye-Sensitized Solar Cells[J];物理化学学报;2011-06
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