钙钛矿太阳能电池内部超晶格的新发现

International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA) Pub Date : 2019-11-11 DOI:10.1364/pfe.2019.pth4b.1

S. Uchida

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引用次数: 0

摘要

利用高分辨率透射电镜对钙钛矿层进行微观结构观察分析是了解钙钛矿晶体结构最有前途的方法。近年来，我们在传统的MAPbI3薄膜器件中发现了在室温下四方相和立方相共存的现象。此外，还发现了由这些四边形和三方面体的混合物组成的超晶格，而这些超晶格的成分没有变化。

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New Discovery of Superlattice Inside the Perovskite Solar Cell

The micro-structural observation analysis of the perovskite layer with high resolution TEM is the most promising approach to understand the crystal structure. Recently we newly revealed that the tetragonal and cubic phases coexist at room temperature in the conventional MAPbI3 thin film device. Furthermore superlattices composed of these mixture of tetragonal and cubic planes without any compositional change was also found.

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International Photonics and OptoElectronics Meeting 2019 (OFDA, OEDI, ISST, PE, LST, TSA)

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