Molecular level understanding of perovskite nanostructure growth

来源 :The 6th International Conference on Nanoscience and Technolo | 被引量 : 0次 | 上传用户：wgy

【摘要】

：

　　Organic-inorganic hybrid perovskite materials have attracted much attention of scientists due to their unique optic-electrical properties [1]. High power co

【作者】

：

EiichiNakamura;

【机构】

：

The University of Tokyo

【出处】

：

The 6th International Conference on Nanoscience and Technolo

【发表日期】

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2015年期

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　　Organic-inorganic hybrid perovskite materials have attracted much attention of scientists due to their unique optic-electrical properties [1]. High power conversion efficiency (PCE) makes it as a shining star in solar cell research. Solution-processable methylammonium lead halide perovskite (CH3NH3PbI3 or CH3NH3PbI3-xClx) have reached a PCE of 20 % through composition, morphology and interface controlling. However, its preparation remains empirical, and chemical information is lacking on how a (PbI2)n layered crystal (PI) is converted into a cubic crystal of perovskite in the presence of MA+I– (MAI) and a polar solvent. We discuss here the mechanism of the formation of methylammonium lead (II) iodide (MAPbI3) perovsikte as sub-micron fibers and their use for nanoscale devices [2].

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