The In-Gap Electronic State Spectrum of Methylammonium Lead Iodide Single-Crystal Perovskites

Valerio Adinolfi, Mingjian Yuan, Riccardo Comin, Emmanuel S. Thibau, Dong Shi, Makhsud I. Saidaminov, Pongsakorn Kanjanaboos, Damir Kopilovic, Sjoerd Hoogland, Zheng-Hong Lu, Osman Bakr, Edward H. Sargent

Research output: Contribution to journalArticlepeer-review

185 Scopus citations

Abstract

Macroscopic crystals were used to obtain an in-depth characterization of the electronic and in-gap properties of methylammonium lead iodide (MAPbI 3. The process was started with a compositional and optical investigation that confirmed the quality of the material. The band diagram of the semiconductor with particular attention to its surface properties was determined experimentally, which was fundamental for the applications. The mobility and diffusion length of both electrons and holes were directly measured, along with the concentration and type of the charge carriers.
Original languageEnglish (US)
Pages (from-to)3406-3410
Number of pages5
JournalAdvanced Materials
Volume28
Issue number17
DOIs
StatePublished - Mar 2 2016

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledged KAUST grant number(s): KUS-11-009-21
Acknowledgements: The authors thank Prof. Gennaro (Rino) Conte for the valuable discussions. This publication is based in part on the work supported by Award KUS-11-009-21 made by King Abdullah University of Science and Technology (KAUST), the Ontario Research Fund-Research Excellence Program, and the Natural Sciences and Engineering Research Council (NSERC) of Canada.

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