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Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds

The adverse health effects from indoor air pollutants such as volatile organic compounds (VOCs) has intrigued much attention. Photocatalytic oxidation (PCO) is a promising technique to degrade VOCs under ambient conditions. A metal-free photocatalyst, namely boron-doped photoreduced graphene oxide (...

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Main Authors: Tai, Xin Hong, Lai, Chin Wei, Yang, Thomas Chung Kuang, Chen, Chia Yun, Abdullah, Abdul Halim, Lee, Kian Mun, Juan, Joon Ching
格式: Article
出版: Elsevier 2022
在线阅读:http://psasir.upm.edu.my/id/eprint/101072/
https://www.sciencedirect.com/science/article/pii/S2213343722009204#:~:text=A%20metal%2Dfree%20photocatalyst%2C%20namely,)%20under%20UV%2DA%20irradiation.
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spelling my.upm.eprints.1010722023-06-17T23:45:47Z http://psasir.upm.edu.my/id/eprint/101072/ Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds Tai, Xin Hong Lai, Chin Wei Yang, Thomas Chung Kuang Chen, Chia Yun Abdullah, Abdul Halim Lee, Kian Mun Juan, Joon Ching The adverse health effects from indoor air pollutants such as volatile organic compounds (VOCs) has intrigued much attention. Photocatalytic oxidation (PCO) is a promising technique to degrade VOCs under ambient conditions. A metal-free photocatalyst, namely boron-doped photoreduced graphene oxide (BPRGO) was synthesized via a facile, scalable, and cost-effective UV irradiation method. The BPRGO photocatalyst managed to remove 80% of the VOCs (100 mg/m3 of methanol) within 6 h (0.283 h−1) under UV-A irradiation. Moreover, up to 91% of the VOCs were successfully mineralised into harmless CO2. The high photoactivity of BPRGO-1.0 was due to the high amount of oxygenated boron groups (OBGs) namely BC2O and BCO2 groups. The suitable amount of B dopants led to a higher hole carrier density and p-type conductivity. This had retarded the charge carrier recombination which improved the photocatalytic removal of VOCs. This work provides new insights of metal-free BPRGO photocatalyst for VOCs removal. Elsevier 2022-08 Article PeerReviewed Tai, Xin Hong and Lai, Chin Wei and Yang, Thomas Chung Kuang and Chen, Chia Yun and Abdullah, Abdul Halim and Lee, Kian Mun and Juan, Joon Ching (2022) Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds. Journal of Environmental Chemical Engineering, 10 (4). art. no. 108047. pp. 1-11. ISSN 2213-3437 https://www.sciencedirect.com/science/article/pii/S2213343722009204#:~:text=A%20metal%2Dfree%20photocatalyst%2C%20namely,)%20under%20UV%2DA%20irradiation. 10.1016/j.jece.2022.108047
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description The adverse health effects from indoor air pollutants such as volatile organic compounds (VOCs) has intrigued much attention. Photocatalytic oxidation (PCO) is a promising technique to degrade VOCs under ambient conditions. A metal-free photocatalyst, namely boron-doped photoreduced graphene oxide (BPRGO) was synthesized via a facile, scalable, and cost-effective UV irradiation method. The BPRGO photocatalyst managed to remove 80% of the VOCs (100 mg/m3 of methanol) within 6 h (0.283 h−1) under UV-A irradiation. Moreover, up to 91% of the VOCs were successfully mineralised into harmless CO2. The high photoactivity of BPRGO-1.0 was due to the high amount of oxygenated boron groups (OBGs) namely BC2O and BCO2 groups. The suitable amount of B dopants led to a higher hole carrier density and p-type conductivity. This had retarded the charge carrier recombination which improved the photocatalytic removal of VOCs. This work provides new insights of metal-free BPRGO photocatalyst for VOCs removal.
format Article
author Tai, Xin Hong
Lai, Chin Wei
Yang, Thomas Chung Kuang
Chen, Chia Yun
Abdullah, Abdul Halim
Lee, Kian Mun
Juan, Joon Ching
spellingShingle Tai, Xin Hong
Lai, Chin Wei
Yang, Thomas Chung Kuang
Chen, Chia Yun
Abdullah, Abdul Halim
Lee, Kian Mun
Juan, Joon Ching
Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
author_facet Tai, Xin Hong
Lai, Chin Wei
Yang, Thomas Chung Kuang
Chen, Chia Yun
Abdullah, Abdul Halim
Lee, Kian Mun
Juan, Joon Ching
author_sort Tai, Xin Hong
title Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
title_short Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
title_full Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
title_fullStr Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
title_full_unstemmed Effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
title_sort effective oxygenated boron groups of boron-doped photoreduced graphene oxide for photocatalytic removal of volatile organic compounds
publisher Elsevier
publishDate 2022
url http://psasir.upm.edu.my/id/eprint/101072/
https://www.sciencedirect.com/science/article/pii/S2213343722009204#:~:text=A%20metal%2Dfree%20photocatalyst%2C%20namely,)%20under%20UV%2DA%20irradiation.
_version_ 1769844407031300096
score 13.250246

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