Open Access
Air, Soil and Water Research, volume 15, pages 117862212211172
Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review
1
Faculty of Materials Science and Engineering, Jimma University, Jimma, Ethiopia
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2
Department of Physics, College of Natural and Computational Science, Bonga University, Bonga, Ethiopia
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3
Faculty of Civil and Environmental Engineering, Jimma University, Jimma, Ethiopia
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Publication type: Journal Article
Publication date: 2022-01-01
Journal:
Air, Soil and Water Research
Quartile SCImago
Q2
Quartile WOS
—
Impact factor: 3.6
ISSN: 11786221
General Environmental Science
Abstract
Water pollution by organic contaminants is one of the most severe issues confronting the world today as a result of the rapid increase of industrialization, urbanization, human population growth, and advances in agricultural technologies. Several attempts have been made to address global water pollution issues by utilizing conventional wastewater treatment technologies. However, conventional wastewater treatment methods have several limitations such as low efficiency, high operation costs, generation of secondary waste, require additional chemicals as oxidants and extra energy. Therefore, Heterogeneous photocatalysis has gained a lot of attention in the degradation of persistent organic pollutants because it combines high efficiency, environmental friendliness, cheap cost, and safety. Subsequently, the designing of novel nanocomposite photocatalysts with strong visible light-harvesting ability, efficient charge separation and transportation, and superb stability is imminently desired for wastewater treatment. Recently, the notion of combining g-C3N4 with TiO2 to design high photocatalytic performance heterojunction photoactive nanocomposites for organic pollutant degradation has received a lot of attention. Meanwhile, the construction of g-C3N4/TiO2-based heterojunction nanocomposites may enhance the ability of harvesting visible light, boost charge separation and transfer efficiency, and robust photocatalytic activity. Firstly, this review concisely explained the main sources of water pollution, as well as potential treatment approaches and the fundamental mechanism of heterogeneous photocatalysis. Subsequently, the details of properties, synthesis techniques, photoactivity modification strategies, and photocatalytic applications of g-C3N4, TiO2, and g-C3N4/TiO2 heterojunction photocatalysts are presented. Following that, the recent advances aimed at improving the photocatalytic performance of various types of visible-light-driven g-C3N4/TiO2 heterojunction photocatalysts for organic pollutant degradation in wastewater are presented in detail. Finally, some concluding remarks and perspectives on the challenges and opportunities for constructing different types of g-C3N4/TiO2-based heterostructured photocatalysts are presented.
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Citations by publishers
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1 publication, 3.57%
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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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Sewnet A. et al. Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review // Air, Soil and Water Research. 2022. Vol. 15. p. 117862212211172.
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Sewnet A., Abebe M., Asaithambi P., Alemayehu E. Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review // Air, Soil and Water Research. 2022. Vol. 15. p. 117862212211172.
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TY - JOUR
DO - 10.1177/11786221221117266
UR - https://doi.org/10.1177/11786221221117266
TI - Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review
T2 - Air, Soil and Water Research
AU - Abebe, Mulualem
AU - Alemayehu, Esayas
AU - Sewnet, Agidew
AU - Asaithambi, Perumal
PY - 2022
DA - 2022/01/01 00:00:00
PB - SAGE
SP - 117862212211172
VL - 15
SN - 1178-6221
ER -
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@article{2022_Sewnet,
author = {Mulualem Abebe and Esayas Alemayehu and Agidew Sewnet and Perumal Asaithambi},
title = {Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review},
journal = {Air, Soil and Water Research},
year = {2022},
volume = {15},
publisher = {SAGE},
month = {jan},
url = {https://doi.org/10.1177/11786221221117266},
pages = {117862212211172},
doi = {10.1177/11786221221117266}
}