Open Access
Journal of Molecular Liquids, volume 377, pages 121528
Enhanced and recyclable CO2 photoreduction into methanol over S-scheme PdO/GdFeO3 heterojunction photocatalyst under visible light
Ahmed Shawky
2
,
Sharif F Zaman
3
,
Katabathini Narasimharao
1
,
Mohamed Abdel Salam
1
,
Abdulmohsen A Alshehri
1
,
Nezar H Khdary
4
,
Sulaiman Al Faifi
1
,
Abhishek Dutta Chowdhury
5
2
Nanomaterials and Nanotechnology Department, Advanced Materials Institute, Central Metallurgical R&D Institute (CMRDI), P.O. Box 87 Helwan, 11421 Cairo, Egypt
|
Publication type: Journal Article
Publication date: 2023-05-01
Journal:
Journal of Molecular Liquids
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6
ISSN: 01677322, 18733166
Materials Chemistry
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Photocatalytic conversion of carbon dioxide (CO2) into value-added chemicals over ceramic photocatalysts has presently regarded as an eco-friendly and workable approach for saving energy resources and reducing global warming. Accordingly, marvellous research is being performed for engineering enhanced photocatalysts. So, we present a solution-based process for the synthesis of gadolinium orthoferrite nanocrystals (GdFeO3) that are supported with trace amounts (0.5 ∼ 2.0 wt%) of palladium oxide (PdO) to form PdO/GdFeO3 nanocomposites. These synthesized nanostructures were applied for the photocatalytic conversion of carbon dioxide (CO2) into methanol (CH3OH) for the first time. Physicochemical characteristics of the synthesized materials revealed the growth of perovskite GdFeO3nanocrystals supported with tiny PdO dots. Also, a slight reduction in surface areas from 214 to 193 m2g−1 owing to the PdO inclusion. Interestingly, the visible-light absorption was greatly enhanced with a reduction of the overall bandgap down to 2.14 eV compared to 2.37 eV for the pristine GeFeO3. The photoinduced carrier recombination was also suppressed with enhanced mobility, as confirmed by photoluminescence and photocurrent studies. The tuned 2.0 gL−1 dosage of 1.5% PdO/GdFeO3 has resulted in 1550 μmol g−1 CH3OH production within 9 h of visible light illumination, which is > 7.8 times than pristine GdFeO3. Moreover, this novel nanocomposite displays sustainable recyclability of 98% after five cycles. The photocatalytic performance promotion of the 1.5% PdO/GdFeO3 is attributed to the formed heterojunction that enhanced both charge transfer and mobility as well. This work proposes the realization of stable perovskite-based nanoceramics for the production of renewable fuels.
Top-30
Citations by journals
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Journal of the Taiwan Institute of Chemical Engineers
1 publication, 9.09%
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Russian Chemical Reviews
1 publication, 9.09%
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Optical Materials
1 publication, 9.09%
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Chemosphere
1 publication, 9.09%
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Nano Today
1 publication, 9.09%
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International Journal of Hydrogen Energy
1 publication, 9.09%
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Ceramics International
1 publication, 9.09%
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Materials Science in Semiconductor Processing
1 publication, 9.09%
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ChemNanoMat
1 publication, 9.09%
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Journal of Molecular Liquids
1 publication, 9.09%
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Nano Research
1 publication, 9.09%
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1
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Citations by publishers
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2
3
4
5
6
7
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Elsevier
7 publications, 63.64%
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Taiwan Institute of Chemical Engineers
1 publication, 9.09%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 9.09%
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Wiley
1 publication, 9.09%
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Springer Nature
1 publication, 9.09%
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7
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Mostafa M. M. M. et al. Enhanced and recyclable CO2 photoreduction into methanol over S-scheme PdO/GdFeO3 heterojunction photocatalyst under visible light // Journal of Molecular Liquids. 2023. Vol. 377. p. 121528.
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Mostafa M. M. M., Shawky A., Zaman S. F., Narasimharao K., Abdel Salam M., Alshehri A. A., Khdary N. H., Al Faifi S., Chowdhury A. D. Enhanced and recyclable CO2 photoreduction into methanol over S-scheme PdO/GdFeO3 heterojunction photocatalyst under visible light // Journal of Molecular Liquids. 2023. Vol. 377. p. 121528.
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TY - JOUR
DO - 10.1016/j.molliq.2023.121528
UR - https://doi.org/10.1016/j.molliq.2023.121528
TI - Enhanced and recyclable CO2 photoreduction into methanol over S-scheme PdO/GdFeO3 heterojunction photocatalyst under visible light
T2 - Journal of Molecular Liquids
AU - Mostafa, Mohamed Mokhtar M.
AU - Shawky, Ahmed
AU - Zaman, Sharif F
AU - Narasimharao, Katabathini
AU - Abdel Salam, Mohamed
AU - Alshehri, Abdulmohsen A
AU - Khdary, Nezar H
AU - Al Faifi, Sulaiman
AU - Chowdhury, Abhishek Dutta
PY - 2023
DA - 2023/05/01 00:00:00
PB - Elsevier
SP - 121528
VL - 377
SN - 0167-7322
SN - 1873-3166
ER -
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@article{2023_Mostafa,
author = {Mohamed Mokhtar M. Mostafa and Ahmed Shawky and Sharif F Zaman and Katabathini Narasimharao and Mohamed Abdel Salam and Abdulmohsen A Alshehri and Nezar H Khdary and Sulaiman Al Faifi and Abhishek Dutta Chowdhury},
title = {Enhanced and recyclable CO2 photoreduction into methanol over S-scheme PdO/GdFeO3 heterojunction photocatalyst under visible light},
journal = {Journal of Molecular Liquids},
year = {2023},
volume = {377},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.molliq.2023.121528},
pages = {121528},
doi = {10.1016/j.molliq.2023.121528}
}
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