Novel organic dye sensitizers containing fluorenyl and biphenyl moieties for solar cells |
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| Authors: | Yan Xie Liang Han Cheng-Sheng Ge Yan-Hong Cui Jian-Rong Gao |
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| Institution: | a College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China;
b College of Chemistry and Materials Engineering, Quzhou University, Quzhou 324000, China |
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| Abstract: | Three novel triarylamine dyes (AFL1-AFL3) containing fluorenyl and the biphenyl moieties have been designed and synthesized for application in dye-sensitized solar cells. The light-harvesting capabilities and photovoltaic performance of these dyes were investigated systematically through comparison of different π-bridges. The dye with a furan linker exhibited a higher open-circuit voltage (VOC) and monochromatic incident photon-to-current conversion efficiency (IPCE) compared to thiophene and benzene linker. Thus, AFL3 containing a furan linker exhibited the maximum overall conversion efficiency of 5.81% (VOC=760 mV, JSC=11.36 mA cm-2 and ff=0.68) under standard global AM 1.5 G solar condition. |
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| Keywords: | Dye-sensitized solar cells Triarylamine Fluorenyl Biphenyl Furan bridge Photovoltaic performance |
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