Journal of Alloys and Compounds, volume 968, pages 171833
Performance analysis of rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction for CO2 photoreduction with H2O in an externally reflected photoreactor
Abdullah Bafaqeer
1
,
Muhammad Tahir
2
,
NorAishah Saidina Amin
3
,
Hammam Abdurabu Thabit
4
,
D. Dhamodharan
1
,
Shakeel Ahmed
1
,
Naveen Kumar
5
5
Department of Chemistry M D University, Rohtak, 124001 India
|
Publication type: Journal Article
Publication date: 2023-12-01
Journal:
Journal of Alloys and Compounds
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 6.2
ISSN: 09258388
Materials Chemistry
Metals and Alloys
Mechanical Engineering
Mechanics of Materials
Abstract
The photocatalytic conversion of CO2 with H2O over rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction using an externally reflected photoreactor has been investigated. The structure and properties of photocatalysts, prepared via the one-pot solvothermal method, were characterized by XRD, RAMAN, FESEM, EDX, HRTEM, UV–vis and PL spectrophotometry. The 4% rGO-bridged g-C3N4/ZnV2O6 (1:1) nanocomposite registered the highest CH3OH yield. The maximum yield of CH3OH over 4% rGO-bridged g-C3N4/ZnV2O6 (1:1) nanocomposite was 6246.1 μmol/g-cat; 1.34 and 1.51 folds higher than g-C3N4/ZnV2O6 (1:1) and ZnV2O6 photocatalysts, respectively. Significant enhancement in quantum efficiency of an externally reflected photoreactor over 4% rGO-bridged g-C3N4/ZnV2O6 (1:1) nanocomposite was observed compared to the slurry photoreactor. This is obviously because of the greater mobility of charges with hindered recombination rate and higher photonic efficiency. The stability of 4% rGO-bridged g-C3N4/ZnV2O6 (1:1) nanocomposite was partially reduced after several cyclic runs. It is believed that the photocatalyst consisting of three components has demonstrated improved photocatalytic activity through a S-scheme mechanism, utilizing rGO as an electron mediator to enhance the overall performance of the S-scheme heterojunction.
Top-30
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Citations by publishers
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5 publications, 83.33%
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Bafaqeer A. et al. Performance analysis of rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction for CO2 photoreduction with H2O in an externally reflected photoreactor // Journal of Alloys and Compounds. 2023. Vol. 968. p. 171833.
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Bafaqeer A., Tahir M., Amin N. S., Ummer A. C., Thabit H. A., Dhamodharan D., Ahmed S., Kumar N. Performance analysis of rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction for CO2 photoreduction with H2O in an externally reflected photoreactor // Journal of Alloys and Compounds. 2023. Vol. 968. p. 171833.
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TY - JOUR
DO - 10.1016/j.jallcom.2023.171833
UR - https://doi.org/10.1016/j.jallcom.2023.171833
TI - Performance analysis of rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction for CO2 photoreduction with H2O in an externally reflected photoreactor
T2 - Journal of Alloys and Compounds
AU - Bafaqeer, Abdullah
AU - Tahir, Muhammad
AU - Amin, NorAishah Saidina
AU - Ummer, Aniz Chennampilly
AU - Thabit, Hammam Abdurabu
AU - Dhamodharan, D.
AU - Ahmed, Shakeel
AU - Kumar, Naveen
PY - 2023
DA - 2023/12/01 00:00:00
PB - Elsevier
SP - 171833
VL - 968
SN - 0925-8388
ER -
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@article{2023_Bafaqeer,
author = {Abdullah Bafaqeer and Muhammad Tahir and NorAishah Saidina Amin and Aniz Chennampilly Ummer and Hammam Abdurabu Thabit and D. Dhamodharan and Shakeel Ahmed and Naveen Kumar},
title = {Performance analysis of rGO-bridged g-C3N4/ZnV2O6 S-scheme heterojunction for CO2 photoreduction with H2O in an externally reflected photoreactor},
journal = {Journal of Alloys and Compounds},
year = {2023},
volume = {968},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.jallcom.2023.171833},
pages = {171833},
doi = {10.1016/j.jallcom.2023.171833}
}