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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02716
|2 doi
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|a eng
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|a Cheng, Chuan-Qi
|e verfasserin
|4 aut
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|a Highly Conjugated Graphitic Carbon Nitride Nanofoam for Photocatalytic Hydrogen Evolution
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 01.02.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a As a metal-free photocatalyst, graphitic carbon nitride (g-CN) shows great potential for photocatalytic water splitting, although its performance is significantly limited by structural defects due to incomplete polymerization. In the present work, we successfully synthesize highly conjugated g-CN nanofoam through an iodide substitution technique. The product possesses a high polymerization degree, low defect density, and large specific surface area; as a result, it achieves a hydrogen evolution rate of 9.06 mmol h-1 g-1 under visible light irradiation, with an apparent quantum efficiency (AQE) of 18.9% at 420 nm. Experimental analysis and theoretical calculations demonstrate that the recombination of photogenerated carriers at C-NHx defects was effectively depressed in the nanofoam, giving rise to the high photocatalytic activity
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|a Journal Article
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|a Feng, Yi
|e verfasserin
|4 aut
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|a Shi, Zi-Zheng
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Yun-Long
|e verfasserin
|4 aut
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| 700 |
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|a Kang, Wen-Jing
|e verfasserin
|4 aut
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| 700 |
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|a Li, Zhe
|e verfasserin
|4 aut
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| 700 |
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|a Mao, Jing
|e verfasserin
|4 aut
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| 700 |
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|a Shen, Gu-Rong
|e verfasserin
|4 aut
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| 700 |
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|a Dong, Cun-Ku
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Hui
|e verfasserin
|4 aut
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| 700 |
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|a Du, Xi-Wen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 4 vom: 01. Feb., Seite 1471-1478
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:38
|g year:2022
|g number:4
|g day:01
|g month:02
|g pages:1471-1478
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02716
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