Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple.
Тип публикации: Journal Article
Дата публикации: 2019-09-20
scimago Q1
wos Q1
white level БС1
SJR: 1.394
CiteScore: 8.7
Impact factor: 4.6
ISSN: 19487185
PubMed ID:
31539259
Physical and Theoretical Chemistry
General Materials Science
Краткое описание
Interfacial charge transfer between semiconductor nanocrystal and a molecular relay is an important step in nanomaterial photocatalysis. The ferrocene redox couple (Fc+/Fc0, E0 = -4.9 eV vs. vacuum) has now been used as a model redox relay system to investigate photocatalytic properties of CsPbBr3 perovskite nanocrystals. The photocatalytic reduction of ferrocenium (Fc+) to ferrocene (Fc0) with CsPbBr3 nanocrystals was dictated by the surface interactions. Whereas a rapid quenching and subsequent recovery of CsPbBr3 emission is seen at low Fc+ concentrations the quenched emission was sustained at higher Fc+ concentrations. The photoinduced interfacial electron transfer between CsPbBr3 and ferrocenium (Fc+) studied using transient absorption spectroscopy occurred with a rate constant of 1.64 X 1010 s-1. Better understanding of interfacial processes using redox probes can lead to the improvement in photocatalytic performance of perovskite nanocrystals.
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DuBose J., Kamat P. V. Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple. // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 20. pp. 6074-6080.
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DuBose J., Kamat P. V. Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple. // Journal of Physical Chemistry Letters. 2019. Vol. 10. No. 20. pp. 6074-6080.
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TY - JOUR
DO - 10.1021/acs.jpclett.9b02294
UR - https://doi.org/10.1021/acs.jpclett.9b02294
TI - Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple.
T2 - Journal of Physical Chemistry Letters
AU - DuBose, Jeffrey
AU - Kamat, Prashant V
PY - 2019
DA - 2019/09/20
PB - American Chemical Society (ACS)
SP - 6074-6080
IS - 20
VL - 10
PMID - 31539259
SN - 1948-7185
ER -
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@article{2019_DuBose,
author = {Jeffrey DuBose and Prashant V Kamat},
title = {Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple.},
journal = {Journal of Physical Chemistry Letters},
year = {2019},
volume = {10},
publisher = {American Chemical Society (ACS)},
month = {sep},
url = {https://doi.org/10.1021/acs.jpclett.9b02294},
number = {20},
pages = {6074--6080},
doi = {10.1021/acs.jpclett.9b02294}
}
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MLA
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DuBose, Jeffrey, and Prashant V Kamat. “Probing Perovskite Photocatalysis. Interfacial Electron Transfer between CsPbBr3 and Ferrocene Redox Couple..” Journal of Physical Chemistry Letters, vol. 10, no. 20, Sep. 2019, pp. 6074-6080. https://doi.org/10.1021/acs.jpclett.9b02294.
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