Staff View: Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.

Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.

Photocatalytic degradation is a valuable direction for eliminating organic pollutants in the environment because of its exceptional catalytic activity and low energy requirements. As one of the prospective photocatalysts, zirconium dioxide (ZrO2) is a promising candidate for photoactivity due to its...

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Main Authors:	Hassan, N. S., Jalil, A. A., Khusnun, N. F., Bahari, M. B., Hussain, I., Firmansyah, M. L., Nugraha, R. E., Rajendran, Saravanan
Format:	Article
Published:	Academic Press 2023
Subjects:	TP Chemical technology
Online Access:	http://eprints.utm.my/106622/ http://dx.doi.org/10.1016/j.jenvman.2022.116869
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spelling	my.utm.1066222024-07-09T08:06:26Z http://eprints.utm.my/106622/ Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review. Hassan, N. S. Jalil, A. A. Khusnun, N. F. Bahari, M. B. Hussain, I. Firmansyah, M. L. Nugraha, R. E. Rajendran, Saravanan TP Chemical technology Photocatalytic degradation is a valuable direction for eliminating organic pollutants in the environment because of its exceptional catalytic activity and low energy requirements. As one of the prospective photocatalysts, zirconium dioxide (ZrO2) is a promising candidate for photoactivity due to its favorable redox potential and higher chemical stability. ZrO2 has a high rate of electron-hole recombination and poor light-harvesting capabilities. Still, modification has demonstrated enhancements, especially extra-modification, and is therefore worthy of investigation. This present review provides a comprehensive overview of the extra-modifications of ZrO2 for enhanced photocatalytic performance, including coupling with other semiconductors, doping with metal, non-metal, and co-doping with metal and non-metal. The extra-modified ZrO2 showed superior performance in degrading the organic pollutant, particularly dyes and phenolic compounds. Interestingly, this review also briefly highlighted the probable mechanisms of the extra-modification of ZrO2 such as p-n heterojunction, type II heterojunction, and Z-scheme heterojunction. The latter heterojunction with excellent electron-hole space separation improved the photoactivity. Extensive research on ZrO2's photocatalytic potential is presented, including the removal of heavy metals, the redox of heavy metals and organic pollutants, and the evolution of hydrogen. Modified ZrO2's photocatalytic effectiveness depends on its band position, oxygen vacancy concentration, and metal defect sites. The opportunities and future problems of the extra-modified ZrO2 photocatalyst are also discussed. This review aims to share knowledge regarding extra-modified ZrO2 photocatalysts and inspire new environmental remediation applications. Academic Press 2023-02-01 Article PeerReviewed Hassan, N. S. and Jalil, A. A. and Khusnun, N. F. and Bahari, M. B. and Hussain, I. and Firmansyah, M. L. and Nugraha, R. E. and Rajendran, Saravanan (2023) Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review. Journal of Environmental Management, 327 (116869). NA-NA. ISSN 0301-4797 http://dx.doi.org/10.1016/j.jenvman.2022.116869 DOI:10.1016/j.jenvman.2022.116869
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TP Chemical technology
spellingShingle	TP Chemical technology Hassan, N. S. Jalil, A. A. Khusnun, N. F. Bahari, M. B. Hussain, I. Firmansyah, M. L. Nugraha, R. E. Rajendran, Saravanan Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
description	Photocatalytic degradation is a valuable direction for eliminating organic pollutants in the environment because of its exceptional catalytic activity and low energy requirements. As one of the prospective photocatalysts, zirconium dioxide (ZrO2) is a promising candidate for photoactivity due to its favorable redox potential and higher chemical stability. ZrO2 has a high rate of electron-hole recombination and poor light-harvesting capabilities. Still, modification has demonstrated enhancements, especially extra-modification, and is therefore worthy of investigation. This present review provides a comprehensive overview of the extra-modifications of ZrO2 for enhanced photocatalytic performance, including coupling with other semiconductors, doping with metal, non-metal, and co-doping with metal and non-metal. The extra-modified ZrO2 showed superior performance in degrading the organic pollutant, particularly dyes and phenolic compounds. Interestingly, this review also briefly highlighted the probable mechanisms of the extra-modification of ZrO2 such as p-n heterojunction, type II heterojunction, and Z-scheme heterojunction. The latter heterojunction with excellent electron-hole space separation improved the photoactivity. Extensive research on ZrO2's photocatalytic potential is presented, including the removal of heavy metals, the redox of heavy metals and organic pollutants, and the evolution of hydrogen. Modified ZrO2's photocatalytic effectiveness depends on its band position, oxygen vacancy concentration, and metal defect sites. The opportunities and future problems of the extra-modified ZrO2 photocatalyst are also discussed. This review aims to share knowledge regarding extra-modified ZrO2 photocatalysts and inspire new environmental remediation applications.
format	Article
author	Hassan, N. S. Jalil, A. A. Khusnun, N. F. Bahari, M. B. Hussain, I. Firmansyah, M. L. Nugraha, R. E. Rajendran, Saravanan
author_facet	Hassan, N. S. Jalil, A. A. Khusnun, N. F. Bahari, M. B. Hussain, I. Firmansyah, M. L. Nugraha, R. E. Rajendran, Saravanan
author_sort	Hassan, N. S.
title	Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
title_short	Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
title_full	Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
title_fullStr	Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
title_full_unstemmed	Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.
title_sort	extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: a critical review.
publisher	Academic Press
publishDate	2023
url	http://eprints.utm.my/106622/ http://dx.doi.org/10.1016/j.jenvman.2022.116869
_version_	1805880839481851904
score	13.235796

Extra-modification of zirconium dioxide for potential photocatalytic applications towards environmental remediation: A critical review.

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