Single Crystal Formamidinium Lead Iodide (FAPbI<sub>3</sub>): Insight into the Structural, Optical, and Electrical Properties

Han, Qifeng; Bae, Sang‐Hoon; Sun, Pengyu; Hsieh, Yao‐Tsung; Yang, Yang; (Michael) Yang, Yang; Seung Rim, You; Zhao, Hongxiang; Chen, Qi; Shi, Wangzhou; Li, Gang; Yang, Yang; Yang, Yang

doi:10.1002/adma.201505002

Public

Single Crystal Formamidinium Lead Iodide (FAPbI3): Insight into the Structural, Optical, and Electrical Properties

Published in Advanced Materials • Jan 20, 2016

Authors:

Qifeng Han

Sang‐Hoon Bae

Pengyu Sun

Abstract

5 mm-scale large FAPbI 3 single crystals and corresponding photoconductive properties are shown. The phase transition of FAPbI3 between the α-phase and δ-phase is studied. The carrier mobility is 4.4 cm(2) V(-1) s(-1) with a lifetime of 484 ns in the bulk of the single crystal. Finally, photodetecto...

Subject

Formamidinium

Materials science

Photoconductivity

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