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题名: Enhanced open voltage of BiFeO3 polycrystalline film by surface modification of organolead halide perovskite
作者: Zhao, Pengjun; Bian, Liang; Wang, Lei; Xu, Jinbao; Chang, Aimin
通讯作者: Xu, JB
刊名: APPLIED PHYSICS LETTERS
发表日期: 2014
DOI: 10.1063/1.4888912
卷: 105, 期:1
收录类别: SCI
摘要: Inorganic-organolead halide perovskite CH3NH3PbI3 modified BiFeO3 polycrystalline film has been established. The composite photoelectrode presents much larger open voltage and several magnitudes superior photoelectric conversion performance in comparison to the ordinary BiFeO3 polycrystalline film. The I-V curve shows that the short-circuit current (J(sc)) is 1.74 mA.cm(-2) and open-circuit voltage (V-oc) is 1.62 V, the device's photon to current efficiency is over 1%. The large open voltage and high photovoltaic efficiency is believed to attributed to the spontaneous polarization of composite perovskite induced by BiFeO3 lattice and modified reduced work function of the modified BiFeO3 surface. Our results clearly show that the present BiFeO3-CH3NH3PbI3 planar device is capable to generate a large voltage in macro scale under visible light, leading an approach to further applications on photodetectors and optoelectronic switch.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/3759
Appears in Collections:中国科学院特殊环境功能材料与器件重点试验室_期刊论文

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作者单位: Chinese Acad Sci, Key Lab Funct Mat & Devices Special Environm, Xinjiang Key Lab Elect Informat Mat & Devices, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China; Univ Chinese Acad Sci, Beijing 100049, Peoples R China; Shanghai Shanshan Tech Co Ltd, Dept Res & Dev, Shanghai 201209, Peoples R China;Zhejiang Univ, Dept Chem, Hangzhou 310027, Peoples R China

Recommended Citation:
Zhao, Pengjun,Bian, Liang,Wang, Lei,et al. Enhanced open voltage of BiFeO3 polycrystalline film by surface modification of organolead halide perovskite[J]. APPLIED PHYSICS LETTERS,2014,105(1).
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文件名: Enhanced open voltage of BiFeO3 polycrystalline film by surface modification of organolead halide perovskite.pdf
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