Spatial microheterogeneity in the valence band of mixed halide hybrid perovskite materials

Author:

Erbing Axel1,Philippe Bertrand2,Park Byung-wook23,Cappel Ute B.4ORCID,Rensmo Håkan2,Odelius Michael1ORCID

Affiliation:

1. Department of Physics, Stockholm University, AlbaNova University Center, SE-106 91 Stockholm, Sweden

2. Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden

3. Department of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, 50 UNIST-gil, Eonyang-eup, Ulju-gun, Ulsan 44919, Korea

4. Division of Applied Physical Chemistry, Department of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden

Abstract

Microheterogeneity in valence band maximum of hybrid perovskites with mixed I/Br composition. Theoretical calculations show that trends in hard X-ray photoelectron spectroscopy with overall composition are related to variations in local environment.

Funder

Vetenskapsrådet

Energimyndigheten

Göran Gustafssons Stiftelser

H2020 Marie Skłodowska-Curie Actions

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemistry

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