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A simple and rapid ...
A simple and rapid route for synthesizing the nanosized g-C3N4 materials with narrow bandgap and their photocatalytic activity
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- Zhang, Meihong (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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- Fang, Yuqian (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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- Yuan, Shuai (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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- Shi, Liyi (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.;Shanghai Univ, Emerging Ind Inst, Jiaxing, Zhejiang, Peoples R China.
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- Wang, Zhuyi (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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- Wang, Yi (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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- Zhu, Jiefang (författare)
- Uppsala universitet,Institutionen för kemi - Ångström
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- Zhao, Yin (författare)
- Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.
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Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China Shanghai Univ, Res Ctr Nanosci & Nanotechnol, Shanghai 200444, Peoples R China.;Shanghai Univ, Emerging Ind Inst, Jiaxing, Zhejiang, Peoples R China. (creator_code:org_t)
- 2022-11-04
- 2023
- Engelska.
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Ingår i: Surface and Interface Analysis. - : John Wiley & Sons. - 0142-2421 .- 1096-9918. ; 55:1, s. 63-70
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The graphitic carbon nitride (g-C3N4) materials with many intriguing properties have attracted much attention in photocatalysis. The photocatalytic activity of g-C3N4 is hindered by serious aggregation and limited exposed active sites. Herein is shown that nanosized g-C3N4 can be simply obtained by a superfast high-pressure homogenization approach. The high-pressure homogenization treatment can provide strong force to cut and/or to exfoliate the bulk g-C3N4 into nanosized g-C3N4 with good dispersion. Moreover, choosing different solvents during treatment can cause a different surface structure of as-prepared nanosized g-C3N4. In addition, the narrow bandgap properties, the high photogenerated charge carrier separation, and the transport abilities are achieved in as-prepared nanosized g-C3N4 because of the retaining conjugated C3N4 system. Specifically, the photocatalytic activities of as-prepared nanosized g-C3N4 have been significantly enhanced in terms of degradation of organic dye Rhodamine B (RhB) under visible light irradiation (10 times higher than that of bulk g-C3N4). These findings can provide a promising and simple approach to the exfoliation, nanonization, and surface functionalization of 2D layered materials.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Nyckelord
- high-pressure homogenization
- nanosized g-C3N4
- photocatalysis
- surface structure
- visible light absorption
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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