Environmental Science and Pollution Research, volume 29, issue 49, pages 74951-74966
Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance
Shima Mehregan
1
,
Farzan Hayati
2
,
Mahya Mehregan
1
,
Ali Akbar Isari
3
,
Ahmad Jonidi Jafari
4
,
Stefanos Giannakis
5
,
Babak Kakavandi
6, 7
3
Publication type: Journal Article
Publication date: 2022-06-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.8
ISSN: 09441344, 16147499
General Medicine
Environmental Chemistry
Health, Toxicology and Mutagenesis
Pollution
Abstract
The rapid growth of carbon dioxide (CO2) emissions raises concern about the possible consequences of atmospheric CO2 increase, such as global warming and greenhouse effect. Photocatalytic CO2 conversion has attracted researchers’ interests to find a sustainable route for its elimination. In the present study, a direct Z-scheme TiO2/g-C3N4 composite (T-GCN) was fabricated via a facile hydrothermal route for the photocatalytic reduction of CO2 into methane (CH4) and methanol (CH3OH), under visible light irradiation without an electron mediator. The microstructure of the as-obtained TiO2/g-C3N4 nanocomposites was fully characterized for its physicochemical, structural, charge separation, electronic, and photo-excited carrier separation properties. The effect of CO2 and H2O partial pressure was studied to find the best operational conditions for obtaining maximum photocatalytic efficiency; the PCO2 and PH2O were 75.8 and 15.5 kPa, respectively, whereas, by increasing the light intensity from 20 to 80 mW/cm2, a remarkable improvement in the reduction rate takes place (from 11.04 to 32.49 μmol.gcat−1.h−1 methane production, respectively). Finally, under the most favorable light, PCO2 and PH2O conditions, high methanol and methane rates were obtained from the CO2 photocatalytic reduction through T-GCN (1.44 μmol.gcat.−1.h−1 and 32.49 μmol.gcat.−1.h−1, respectively) and an integrated proposition for the Z-scheme mechanism of photocatalytic reduction was proposed. This study offers a promising strategy to synthesize a Z-scheme T-GCN heterojunction with high photocatalytic performance for effective CO2 conversion.
Top-30
Citations by journals
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Environmental Science and Pollution Research
1 publication, 7.14%
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Journal of Materials Chemistry A
1 publication, 7.14%
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Arabian Journal of Chemistry
1 publication, 7.14%
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ChemCatChem
1 publication, 7.14%
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Environmental Science: Nano
1 publication, 7.14%
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Industrial & Engineering Chemistry Research
1 publication, 7.14%
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New Journal of Chemistry
1 publication, 7.14%
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Journal of Cleaner Production
1 publication, 7.14%
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Polymers
1 publication, 7.14%
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Environmental Sciences Europe
1 publication, 7.14%
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Chemical Engineering Science
1 publication, 7.14%
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Catalysts
1 publication, 7.14%
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Russian Chemical Reviews
1 publication, 7.14%
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Journal of Environmental Management
1 publication, 7.14%
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1
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Citations by publishers
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1
2
3
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Royal Society of Chemistry (RSC)
3 publications, 21.43%
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Elsevier
3 publications, 21.43%
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Springer Nature
2 publications, 14.29%
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Multidisciplinary Digital Publishing Institute (MDPI)
2 publications, 14.29%
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King Saud University
1 publication, 7.14%
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Wiley
1 publication, 7.14%
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American Chemical Society (ACS)
1 publication, 7.14%
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Autonomous Non-profit Organization Editorial Board of the journal Uspekhi Khimii
1 publication, 7.14%
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- We do not take into account publications without a DOI.
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- Statistics recalculated weekly.
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Mehregan S. et al. Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance // Environmental Science and Pollution Research. 2022. Vol. 29. No. 49. pp. 74951-74966.
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Mehregan S., Hayati F., Mehregan M., Isari A. A., Jonidi Jafari A., Giannakis S., Kakavandi B. Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance // Environmental Science and Pollution Research. 2022. Vol. 29. No. 49. pp. 74951-74966.
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TY - JOUR
DO - 10.1007/s11356-022-21048-6
UR - https://doi.org/10.1007/s11356-022-21048-6
TI - Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance
T2 - Environmental Science and Pollution Research
AU - Mehregan, Shima
AU - Hayati, Farzan
AU - Mehregan, Mahya
AU - Isari, Ali Akbar
AU - Jonidi Jafari, Ahmad
AU - Giannakis, Stefanos
AU - Kakavandi, Babak
PY - 2022
DA - 2022/06/01 00:00:00
PB - Springer Nature
SP - 74951-74966
IS - 49
VL - 29
SN - 0944-1344
SN - 1614-7499
ER -
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@article{2022_Mehregan,
author = {Shima Mehregan and Farzan Hayati and Mahya Mehregan and Ali Akbar Isari and Ahmad Jonidi Jafari and Stefanos Giannakis and Babak Kakavandi},
title = {Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance},
journal = {Environmental Science and Pollution Research},
year = {2022},
volume = {29},
publisher = {Springer Nature},
month = {jun},
url = {https://doi.org/10.1007/s11356-022-21048-6},
number = {49},
pages = {74951--74966},
doi = {10.1007/s11356-022-21048-6}
}
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MLA
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Mehregan, Shima, et al. “Exploring the visible light–assisted conversion of CO2 into methane and methanol, using direct Z-scheme TiO2@g-C3N4 nanosheets: synthesis and photocatalytic performance.” Environmental Science and Pollution Research, vol. 29, no. 49, Jun. 2022, pp. 74951-74966. https://doi.org/10.1007/s11356-022-21048-6.