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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00652
|2 doi
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|a pubmed24n1188.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhou, Hao
|e verfasserin
|4 aut
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|a Room-Temperature Synthesis of Carbon Dot/TiO2 Composites with High Photocatalytic Activity
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 23.05.2023
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|a Date Revised 23.05.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Benefiting from the wide-range absorption and adjustable energy gap, carbon dots (C-dots) have attracted a great deal of attention and they have been used to sensitize semiconductor nanocomposites to boost the efficiency of energy conversion devices, while there is still a lack of fundamental understanding of the interaction between such materials and their influence on the catalytic activity on the reaction process. In this study, C-dots were used to modify TiO2 to form a direct Z-scheme (DZS) junction for enhancement of the photocatalytic activity. The C-dot/TiO2 composite was prepared by ultrasonication at room temperature through coupling between the Ti-O-C bond and electrostatic interaction. The C-dots can dramatically enhance the absorption of the composite by forming the DZS, and the composite is enabled to generate more free radicals, which facilitate ∼10 times higher photocatalytic activity compared to that of TiO2. As a proof of concept, the as-prepared C-dot/TiO2 was used for textile wastewater dye degradation. This study provides an efficient approach for room-temperature preparation of C-dot/TiO2 composites with high photocatalytic activity
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|a Journal Article
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1 |
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|a Zhang, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Zhan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Haiguang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuanming
|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 1999
|g 39(2023), 20 vom: 23. Mai, Seite 7184-7191
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:39
|g year:2023
|g number:20
|g day:23
|g month:05
|g pages:7184-7191
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00652
|3 Volltext
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