| MO Ao-qiang,CAO Da-peng,WANG Wu-yang,LI Xue-yan,MI Bao-xiu,GAO Zhi-qiang,LIANG Zhong-cheng.Comprehensive study of efficient dye-sensitized solar cells based on the binary ionic liquid electrolyte by modifying with additives and iodine[J].Optoelectronics Letters,2017,13(4):263-267 |
| Comprehensive study of efficient dye-sensitized solar cells based on the binary ionic liquid electrolyte by modifying with additives and iodine |
| Author Name | Affiliation | | MO Ao-qiang | School of Optoelectronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China | | CAO Da-peng | School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China | | WANG Wu-yang | School of Optoelectronic Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China
ZTE Nanjing Branch, Nanjing 210023, China | | LI Xue-yan | School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Nanjing 210023, China | | MI Bao-xiu | 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 | 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 |
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| Abstract: |
| The photovoltaic performance of dye-sensitized solar cells (DSSCs) is enhanced by modifying the binary room temperature ionic liquid (RTIL) electrolyte with additives and iodine. The average photoelectric conversion efficiency (PCE) of 6.39% is achieved. Through electrochemical impedance spectroscopy (EIS), cyclic voltammetry scans and incident photon-to-current conversion efficiency (IPCE) data, the working principles are analyzed. The enhancement is mainly attributed to the improvement of short circuit current which is caused by the reduction of overall internal resistance of the devices. Durability tests are measured at room temperature, and the long-term stability performance can be maintained. This work has been supported by the National Natural Science Foundation of China (No.61474064). E-mail:zcliang@njupt.edu.cn |
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