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How Stable Is the 2D/3D Interface of Metal Halide Perovskite under Light and Heat?
ACS Energy Letters ( IF 22.0 ) Pub Date : 2022-11-22 , DOI: 10.1021/acsenergylett.2c02408
Jishnudas Chakkamalayath, Nathaniel Hiott, Prashant V. Kamat

A (PEA)2PbI4 (2D) layer deposited on a MAPbI3 (3D) film undergoes a transformation upon photoirradiation and thermal treatment. The decrease in absorption and emission of the 2D layer during light and heat exposure, which shows migration of the PEA+ cation within the 3D film, points out the dynamic nature of the 2D/3D interface and intermixing of the two phases.

中文翻译:

金属卤化物钙钛矿的 2D/3D 界面在光和热下的稳定性如何?

沉积在 MAPbI 3 (3D) 薄膜上的(PEA) 2 PbI 4 (2D) 层在光照射和热处理后发生转变。2D 层在光和热暴露期间吸收和发射的减少,表明 PEA +阳离子在 3D 薄膜内迁移,指出 2D/3D 界面的动态性质和两相的混合。
更新日期:2022-11-22
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