Nanoscale-Resolved Surface-to-Bulk Electron Transport in CsPbBr
diffusion
electronic structure
lead halide perovskites
nanoscale charge carrier transport
semiconductors
ultrafast photoelectron spectroscopy
Journal
Nano letters
ISSN: 1530-6992
Titre abrégé: Nano Lett
Pays: United States
ID NLM: 101088070
Informations de publication
Date de publication:
09 Feb 2022
09 Feb 2022
Historique:
pubmed:
20
1
2022
medline:
20
1
2022
entrez:
19
1
2022
Statut:
ppublish
Résumé
Describing the nanoscale charge carrier transport at surfaces and interfaces is fundamental for designing high-performance optoelectronic devices. To achieve this, we employ time- and angle-resolved photoelectron spectroscopy with ultraviolet pump and extreme ultraviolet probe pulses. The resulting high surface sensitivity reveals an ultrafast carrier population decay associated with surface-to-bulk transport, which was tracked with a sub-nanometer spatial resolution normal to the surface, and on a femtosecond time scale, in the case of the inorganic CsPbBr
Identifiants
pubmed: 35044784
doi: 10.1021/acs.nanolett.1c03941
pmc: PMC8832496
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1067-1074Références
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