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Effect of copper and silver modification of NH2-MIL-125(Ti) on the photoreduction of carbon dioxide to formic acid over this framework under visible-light irradiation
Abstract
Cu and Ag enhance the photocatalytic activities of metal–organic frameworks (MOFs) toward CO2 conversion because of their CO2 adsorption capacities and effects on the lowest unoccupied molecular orbital (LUMO) overpotentials of MOFs. However, to date, targeted introduction of metals into MOFs to achieve visible (Vis)- light-active photocatalysts for CO2 photoconversion has not been realized. Herein, a series of aminefunctionalized Ti MOF (NH2-MIL-125(Ti))-based photocatalysts were successfully synthesized using metalation, incorporation, and photodeposition, allowing Cu and Ag incorporation into NH2-MIL-125(Ti) and attainment of ultraviolet- and Vis-light-active photocatalysts. Notably, the most active photocatalyst obtained by post-synthetic metalation of NH2-MIL-125(Ti) by Cu2+ (MOF_met_0.5%Cu) demonstrated excellent performance in photoreducing CO2 to HCOOH: a conversion rate of 30.1 umolg− 1 h− 1 and quantum yield of 1.18% at 380 nm. Photoconversion of CO2 to HCOOH was further confirmed using 13CO2. The novel approach proposed herein is a significant step toward clean energy production and environmental pollutant elimination
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Authors (9)
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Mateusz Baluk
- Katedra Technologii Środowiska, Wydział Chemii, Uniwersytet Gdański
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Aleksandra Pieczyńska
- Katedra Technologii Środowiska, Wydział Chemii, Uniwersytet Gdański
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Paweł Mazierski dr inż.
- Katedra Technologii Środowiska, Wydział Chemii, Uniwersytet Gdański
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Kostiantyn Nikiforow
- Instytu Chemii Fizycznej PAN, Polska Akademia Nauk
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Alicja Mikolajczyk
- Wydział Chemii, Uniwersytet Gdański
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Joanna Dołżonek
- Katedra Analizy Środowiska, Wydział Chemii, Uniwersytet Gdański
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Adriana Zaleska-Medynska prof. dr hab.
- Katedra Technologii Środowiska, Wydział Chemii, Uniwersytet Gdański
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.apcatb.2024.124107
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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APPLIED CATALYSIS B-ENVIRONMENTAL
no. 354,
ISSN: 0926-3373 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Baluk M., Pieczyńska A., Mazierski P., Kroczewska M., Nikiforow K., Mikolajczyk A., Dołżonek J., Łuczak J., Zaleska-Medynska A.: Effect of copper and silver modification of NH2-MIL-125(Ti) on the photoreduction of carbon dioxide to formic acid over this framework under visible-light irradiation// APPLIED CATALYSIS B-ENVIRONMENTAL -,iss. 354 (2024), s.124107-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.apcatb.2024.124107
- Sources of funding:
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- Free publication
- Verified by:
- Gdańsk University of Technology
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