Light‐induced surface recombination suppression, carrier lifetime improvement, and deep defect formation in lead halide perovskites
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00640377" target="_blank" >RIV/68378271:_____/25:00640377 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21230/25:00383781
Result on the web
<a href="https://hdl.handle.net/11104/0370789" target="_blank" >https://hdl.handle.net/11104/0370789</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/lpor.202401904" target="_blank" >10.1002/lpor.202401904</a>
Alternative languages
Result language
angličtina
Original language name
Light‐induced surface recombination suppression, carrier lifetime improvement, and deep defect formation in lead halide perovskites
Original language description
Lead halide perovskites are promising materials in a wide range of optoelectronic devices. The internal instabilities of perovskites under illumination, however, hinder their application. Here, we study the light-induced changes in CH3NH3PbBr3 single crystals, focusing on charge carrier transport properties and deep defect evolution. Using laser-induced transient current technique measurements under steady-state illumination enables us to distinguish electron and hole conductivity. We observe an improvement in charge carrier collection stemming from reduced surface recombination and increased hole lifetime. Surprisingly, despite the overall optimization of carrier transport, we record the simultaneous formation of deep defects under illumination via photo-thermal deflection spectroscopy. Empirical models are proposed to rationalize all light-induced changes.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Laser & Photonics Reviews
ISSN
1863-8880
e-ISSN
1863-8899
Volume of the periodical
19
Issue of the periodical within the volume
18
Country of publishing house
DE - GERMANY
Number of pages
10
Pages from-to
2401904
UT code for WoS article
001502479300001
EID of the result in the Scopus database
2-s2.0-105007545855