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Theoretical design and experimental synthesis of counter electrode for dye-sensitized solar cells: Amino-functionalized graphene
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作者 Yiyi Jia Yantao Shi +1 位作者 Jieshan Qiu Ce Hao 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2016年第5期861-867,共7页
For some specific catalytic reaction, how to construct active sites on two dimensional materials is of great scientific significance. Dye-sensitized solar cells(DSCs) can be viewed as one representative photovoltaic... For some specific catalytic reaction, how to construct active sites on two dimensional materials is of great scientific significance. Dye-sensitized solar cells(DSCs) can be viewed as one representative photovoltaics because in which liquid electrolyte with triiodide/iodide(I;/I;) as redox couples are involved. In this study, amino-functionalized graphene(AFG) has been designed according to theoretically analyzing iodine reduction reaction(IRR) processes and rationally screening the volcanic plot. Then, such AFG has been successfully synthesized by a simple hydrothermal method and shows high electrocatalytic activity towards IRR when serving as counter electrode in DSCs. Finally, a high conversion efficiency of 7.39% by AFG-based DSCs was obtained, which is close to that using Pt as counter electrode. 展开更多
关键词 Dye-sensitized solar cell Counter electrode Density functional theory Volcanic plot amio-functionalized graphene
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