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Morphology regulation and photocatalytic performance of modified g-C3N4.

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Title: Morphology regulation and photocatalytic performance of modified g-C3N4.
Authors: Wu, Canfeng1 (AUTHOR), Chen, Yanrong1 (AUTHOR), Yao, Yingbang1 (AUTHOR) ybyao@gdut.edu.cn
Source: Journal of Materials Science: Materials in Electronics. Jan2024, Vol. 35 Issue 2, p1-13. 13p.
Abstract: Graphitic carbon nitride (g-C3N4) has been widely studied and applied in the field of catalysis, but its photocatalytic performance still needs to be improved. In this work, g-C3N4 was protonated with hydrochloric acid and nitric acid, and the products were denoted as HCN and NCN, respectively. The photocatalytic performances of g-C3N4, HCN, and NCN were compared by the degradation of Rhodamine B solution (RhB) under visible light. The structure, morphology, optical, and electrochemical properties of the samples were systematically characterized. It was found that both HCN and NCN were composed of uniform nanosheets, and HCN had a better separation. The UV–Vis and PL spectra showed that the band gap of the material was widened, and the photogenerated electron-hole pairs can be effectively separated. From the photocatalytic degradation test, HCN and NCN showed stronger photocatalytic activity than g-C3N4, and the degradation efficiency was HCN > NCN > g-C3N4, the degradation of RhB were 98%, 95%, and 78% respectively at 75 min. The experiment of the free radical scrubber showed that superoxide free radical was the main active substance of photocatalytic degradation. Our results have potential application value for the design of two-dimensional photocatalytic materials. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Morphology regulation and photocatalytic performance of modified g-C<subscript>3</subscript>N<subscript>4</subscript>.
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  Data: <searchLink fieldCode="AR" term="%22Wu%2C+Canfeng%22">Wu, Canfeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Yanrong%22">Chen, Yanrong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yao%2C+Yingbang%22">Yao, Yingbang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> ybyao@gdut.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Materials+Science%3A+Materials+in+Electronics%22">Journal of Materials Science: Materials in Electronics</searchLink>. Jan2024, Vol. 35 Issue 2, p1-13. 13p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Graphitic carbon nitride (g-C3N4) has been widely studied and applied in the field of catalysis, but its photocatalytic performance still needs to be improved. In this work, g-C3N4 was protonated with hydrochloric acid and nitric acid, and the products were denoted as HCN and NCN, respectively. The photocatalytic performances of g-C3N4, HCN, and NCN were compared by the degradation of Rhodamine B solution (RhB) under visible light. The structure, morphology, optical, and electrochemical properties of the samples were systematically characterized. It was found that both HCN and NCN were composed of uniform nanosheets, and HCN had a better separation. The UV–Vis and PL spectra showed that the band gap of the material was widened, and the photogenerated electron-hole pairs can be effectively separated. From the photocatalytic degradation test, HCN and NCN showed stronger photocatalytic activity than g-C3N4, and the degradation efficiency was HCN > NCN > g-C3N4, the degradation of RhB were 98%, 95%, and 78% respectively at 75 min. The experiment of the free radical scrubber showed that superoxide free radical was the main active substance of photocatalytic degradation. Our results have potential application value for the design of two-dimensional photocatalytic materials. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Journal of Materials Science: Materials in Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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              Text: Jan2024
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