Hot-carrier cooling and photoinduced refractive index changes in organic–inorganic lead halide perovskites

B. Price, Michael; Butkus, Justinas; C. Jellicoe, Tom; Sadhanala, Aditya; Briane, Anouk; E. Halpert, Jonathan; Broch, Katharina; M. Hodgkiss, Justin; H. Friend, Richard; Deschler, Felix

doi:10.1038/ncomms9420

Public

Hot-carrier cooling and photoinduced refractive index changes in organic–inorganic lead halide perovskites

Published in Nature Communications • Sep 25, 2015

Authors:

Michael B. Price

Justinas Butkus

Tom C. Jellicoe

Abstract

Metal-halide perovskites are at the frontier of optoelectronic research due to solution processability and excellent semiconductor properties. Here we use transient absorption spectroscopy to study hot-carrier distributions in CH3NH3PbI3 and quantify key semiconductor parameters. Above bandgap, non-...

Subject

Materials science

Band gap

Charge carrier

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