Photocatalytic and Photoelectrochemical Degradation of Organic Compounds with All-Inorganic Metal Halide Perovskite Quantum Dots
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Other documents of the author: Cardenas-Morcoso, Drialys; Gualdrón Reyes, Andrés Fabián; Ferreira Vitoreti, Ana Beatriz; García-Tecedor, Miguel; YOON, SEOG JOON; Solis de la Fuente, Mauricio; Mora-Sero, Ivan; Gimenez, Sixto
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comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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INVESTIGACIONMetadata
Title
Photocatalytic and Photoelectrochemical Degradation of Organic Compounds with All-Inorganic Metal Halide Perovskite Quantum DotsAuthor (s)
Date
2019-01Publisher
American Chemical SocietyBibliographic citation
CARDENAS-MORCOSO, Drialys ...[et al.] Photocatalytic and Photoelectrochemical Degradation of Organic Compounds with All-Inorganic Metal Halide Perovskite Quantum Dots. The Journal of Physical Chemistry Letters, 2019, 10 (3), 630-636. DOI: 10.1021/acs.jpclett.8b03849Type
info:eu-repo/semantics/articlePublisher version
https://pubs.acs.org/doi/10.1021/acs.jpclett.8b03849Version
info:eu-repo/semantics/publishedVersionAbstract
Inspired by the outstanding optoelectronic properties reported for all-inorganic halide perovskite quantum dots (QDs), we have evaluated the potential of these materials toward the photocatalytic and photoelectrochemical ... [+]
Inspired by the outstanding optoelectronic properties reported for all-inorganic halide perovskite quantum dots (QDs), we have evaluated the potential of these materials toward the photocatalytic and photoelectrochemical degradation of organic compounds, taking the oxidation of 2-mercaptobenzothiazole (MBT) as a proof-of-concept. First, we determined electrochemically the energy levels of dispersions of perovskite QDs with different band gaps induced by the different ratios between halides (Br and I) and metallic cations (Pb and Sn). Then, we selected CsPbBr3 QDs to demonstrate the photocatalytic and photoelectrochemical oxidation of MBT, confirming that hole injection takes place from CsPbBr3 QDs to MBT, resulting in the total degradation of MBT as evidenced by electrospray mass spectrometry analyses. Although the stability and toxicity of these QDs are major issues to address in the near future, the results obtained in the present study open promising perspectives for the implementation of solar-driven catalytic strategies based on these fascinating materials. [-]
Investigation project
European Commission, ERC Consolidator Grant (724424 - No-LIMIT) ; Ministerio de Ciencia, Innovación y Universidades of Spain (ENE2017-85087-C3-1-R) ; University Jaume I (SOLENPE UJI-B2016-05) ; Generalitat Valenciana, Santiago Grisolia Program (Grant 2015-031).Rights
Copyright © 2019 American Chemical Society. This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
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