Density of bulk trap states of hybrid lead halide perovskite single crystals: temperature modulated space-charge-limited-currents.

Abstract:

:Temperature-modulated space-charge-limited-current spectroscopy (TMSCLC) is applied to quantitatively evaluate the density of trap states in the band-gap with high energy resolution of semiconducting hybrid lead halide perovskite single crystals. Interestingly multicomponent deep trap states were observed in the pure perovskite crystals, which assumingly caused by the formation of nanodomains due to the presence of the mobile species in the perovskites.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Pospisil J,Zmeskal O,Nespurek S,Krajcovic J,Weiter M,Kovalenko A

doi

10.1038/s41598-019-40139-y

subject

Has Abstract

pub_date

2019-03-04 00:00:00

pages

3332

issue

1

issn

2045-2322

pii

10.1038/s41598-019-40139-y

journal_volume

9

pub_type

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