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CuInS 2 / N 3 Co‐Sensitized ZnO Nanorods with Improved Photovoltaic Properties for Solar Cells
Author(s) -
Li Yabin,
Liu Zhifeng,
Liu Chengcheng,
Ya Jing,
E Lei,
Zhao Wei,
Chen Qian,
Bai Junyu
Publication year - 2012
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1551-2916.2011.04959.x
Subject(s) - nanorod , nanostructure , nanomaterials , materials science , dye sensitized solar cell , photovoltaic system , nanotechnology , solar cell , chemical engineering , chemistry , optoelectronics , ecology , electrode , engineering , electrolyte , biology
Uniform core/shell nanostructure of ZnO/CuInS 2 nanorods was synthesized using ZnO nanorod arrays as reactive templates via solution reaction. The N3 dye was sequentially assembled on the ZnO/CuInS 2 arrays to construct a cascading co‐sensitized nanomaterial as photoanode of solar cell. Formation process of CuInS 2 / ZnO nanostructure and the mechanism of CuInS 2 and N3 co‐sensitization were discussed. The I – V characteristic measurement indicates an enhanced efficiency by 24.8% as compared to single sensitized by N3 due to abundant light harvesting, higher chemical instability of ZnO/CuInS 2 in acid dye, fast injection and transmission velocity, and the slowdown recombination of photo‐excited electrons, simultaneously.