Homogenously hexagonal prismatic AgBiS2 nanocrystals: controlled synthesis and application in quantum dot-sensitized solar cells

Na Liang; Wenlong Chen; Fang Dai; Xiangyang Wu; Wei Zhang; Zhi Li; Jingmei Shen; Shoushuang Huang; Qingquan He; Jiantao Zai; Nenghu Fang; Xuefeng Qian

doi:10.1039/C4CE02405B

Homogenously hexagonal prismatic AgBiS₂ nanocrystals: controlled synthesis and application in quantum dot-sensitized solar cells†

Na Liang,^a Wenlong Chen,^a Fang Dai,^b Xiangyang Wu,^c Wei Zhang,^c Zhi Li,^c Jingmei Shen,^b Shoushuang Huang,^a Qingquan He,^a Jiantao Zai,

*^a Nenghu Fang^a and Xuefeng Qian*^a

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* Corresponding authors

^a Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, PR China
E-mail: xfqian@sjtu.edu.cn, zaijiantao@sjtu.edu.cn

^b Global Research & Development, General Motors, MI 48090, USA

^c Shanghai Key Laboratory of Catalysis of Polyolefin, Shanghai Research Institute of Chemical Industry, Shanghai 200062, PR China

Abstract

Homogenously hexagonal prismatic AgBiS₂ nanocrystals with sizes of about 7.6 nm have been synthesized by the selective absorption of oleylamine and anisotropic growth in a mixed solvent system. Quantum dot-sensitized solar cells with the as-prepared AgBiS₂ nanocrystals as counterelectrode materials showed a conversion efficiency of 2.09% compared with that of Pt (1.73%).

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Homogenously hexagonal prismatic AgBiS₂ nanocrystals: controlled synthesis and application in quantum dot-sensitized solar cells†

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Homogenously hexagonal prismatic AgBiS₂ nanocrystals: controlled synthesis and application in quantum dot-sensitized solar cells

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