Reviews in Chemical Engineering, volume 34, issue 3, pages 409-425

An overview of the reaction conditions for an efficient photoconversion of CO2

Publication typeJournal Article
Publication date2017-04-29
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.7
ISSN01678299, 21910235
General Chemical Engineering
Abstract

Carbon dioxide (CO2) emission is one of the well-known causes of global warming. Photoconversion of CO2 to useful chemical compounds using solar energy is an attractive approach as it reduces the major greenhouse gas and promises a sustainable energy source. This method involves radical-chain reactions that form cation and anion radicals generated as a result of the reaction with photogenerated electrons (e) and holes (h+) between metal oxide photocatalyst and the reactants. Therefore, the product distribution of a modified photocatalyst even under specific reaction conditions is difficult to predict. The CO2 photocatalytic reduction process is controlled by several conditions such as reactor configuration, photocatalyst type, and nature of the reducing agents. Here, we review the parameters such as temperature, pH, CO2 pressure, type of reductant, role of co-catalysts, dopants, and type of photocatalysts that influence the end products of the photocatalytic reduction of CO2. In this review, the different modifications recommended for the photocatalysts to improve CO2 reduction and receive maximum valuable end product (methane, ethanol, methanol, hydrogen, and carbon monoxide) have been listed. The discussion also includes specific behaviors of photocatalysts which lead to different product distribution. It has been noted that different metal and nonmetal dopants improve the activity of a photocatalyst and influence the end product distribution by altering the active species. Similarly, the key factors, i.e. size, morphology and doping, which have been ruling the photocatalytic activity of CO2 reduction under UV or visible light irradiation have been identified.

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GOST |
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GOST Copy
Meryem S. S. et al. An overview of the reaction conditions for an efficient photoconversion of CO2 // Reviews in Chemical Engineering. 2017. Vol. 34. No. 3. pp. 409-425.
GOST all authors (up to 50) Copy
Meryem S. S., Nasreen S., Siddique M., Khan R. An overview of the reaction conditions for an efficient photoconversion of CO2 // Reviews in Chemical Engineering. 2017. Vol. 34. No. 3. pp. 409-425.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1515/revce-2016-0016
UR - https://doi.org/10.1515/revce-2016-0016
TI - An overview of the reaction conditions for an efficient photoconversion of CO2
T2 - Reviews in Chemical Engineering
AU - Meryem, Syeda Shaima
AU - Nasreen, Sadia
AU - Siddique, Maria
AU - Khan, Romana
PY - 2017
DA - 2017/04/29 00:00:00
PB - Walter de Gruyter
SP - 409-425
IS - 3
VL - 34
SN - 0167-8299
SN - 2191-0235
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Meryem,
author = {Syeda Shaima Meryem and Sadia Nasreen and Maria Siddique and Romana Khan},
title = {An overview of the reaction conditions for an efficient photoconversion of CO2},
journal = {Reviews in Chemical Engineering},
year = {2017},
volume = {34},
publisher = {Walter de Gruyter},
month = {apr},
url = {https://doi.org/10.1515/revce-2016-0016},
number = {3},
pages = {409--425},
doi = {10.1515/revce-2016-0016}
}
MLA
Cite this
MLA Copy
Meryem, Syeda Shaima, et al. “An overview of the reaction conditions for an efficient photoconversion of CO2.” Reviews in Chemical Engineering, vol. 34, no. 3, Apr. 2017, pp. 409-425. https://doi.org/10.1515/revce-2016-0016.
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