WANG Wu-yang,CAO Da-peng,WANG Chao,ZHANG Xiang-yu,MI Bao-xiu,GAO Zhi-qiang,LIANG Zhong-cheng.A higher performance dye-sensitized solar cell based on the modified PMII/EMIMBF4 binary room temperature ionic liquid electrolyte[J].Optoelectronics Letters,2016,12(4):245-248
A higher performance dye-sensitized solar cell based on the modified PMII/EMIMBF4 binary room temperature ionic liquid electrolyte
Author NameAffiliation
WANG Wu-yang School of Optoelectronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
CAO Da-peng Key Laboratory for Organic Electronics & Information Displays of Jiangsu Province, Institute of Advanced Materials, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
WANG Chao Key Laboratory for Organic Electronics & Information Displays of Jiangsu Province, Institute of Advanced Materials, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
ZHANG Xiang-yu Key Laboratory for Organic Electronics & Information Displays of Jiangsu Province, Institute of Advanced Materials, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
MI Bao-xiu Key Laboratory for Organic Electronics & Information Displays of Jiangsu Province, Institute of Advanced Materials, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China
National Synergetic Innovation Center for Advanced Materials, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
GAO Zhi-qiang Key Laboratory for Organic Electronics & Information Displays of Jiangsu Province, Institute of Advanced Materials, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
LIANG Zhong-cheng School of Optoelectronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China 
Abstract:
      Additives and iodine (I2) are used to modify the binary room temperature ionic liquid (RTIL) electrolyte to enhance the photovoltaic performance of dye-sensitized solar cells (DSSCs). The short-circuit current density (JSC) of 17.89 mA/ cm2, open circuit voltage(VOC)of 0.71 V and fill factor (FF) of 0.50 are achieved in the optimal device. An average photoelectric conversion efficiency (PCE) of 6.35% is achieved by optimization, which is over two times larger than that of the parent device before optimization (2.06%), while the maximum PCE can reach up to 6.63%.
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