Electron-hole diffusion lengths &gt; 175 μm in solution-grown CH 3 NH 3 PbI 3 single crystals

Dong, Qingfeng; Fang, Yanjun; Shao, Yuchuan; Mulligan, Padhraic; Qiu, Jie; R. Cao, Lei; Huang, Jinsong

doi:10.1126/science.aaa5760

Public

Electron-hole diffusion lengths > 175 μm in solution-grown CH 3 NH 3 PbI 3 single crystals

Published in Science • Jan 30, 2015

Authors:

Qingfeng Dong

Yanjun Fang

Yuchuan Shao

Abstract

Long, balanced electron and hole diffusion lengths greater than 100 nanometers in the polycrystalline organolead trihalide compound CH3NH3PbI3 are critical for highly efficient perovskite solar cells. We found that the diffusion lengths in CH3NH3PbI3 single crystals grown by a solution-growth method...

Subject

Diffusion

Crystallography

Materials science

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