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240222s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c03935
|2 doi
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|a eng
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| 100 |
1 |
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|a Yue, Lin
|e verfasserin
|4 aut
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| 245 |
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|a Synthesis of Efficient S-Scheme Heterostructures Composed of BiPO4 and KNbO3 for Photocatalytic N2 Fixation and Water Purification
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 05.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The preparation of catalysts with heterojunction structures is a strategy to achieve efficient charge separation and high photocatalytic activity of photocatalysts. In this work, BiPO4/KNbO3 heterostructure photocatalysts were fabricated by a combination of hydrothermal and precipitation methods and subsequently employed in catalyzing N2-to-NH3 conversion and RhB degradation under light illumination. Morphological analysis revealed the effective dispersion of BiPO4 on KNbO3 nanocubes. Band structure analysis suggests that KNbO3 and BiPO4 exhibit suitable band potentials to form an S-scheme heterojunction. Under the joint action of the built-in electric field at the interface, energy band bending, and Coulomb attraction force, photogenerated electrons and holes with low redox performance are consumed, while those with high redox performance are effectively spatially separated. Consequently, the BiPO4/KNbO3 shows enhanced photocatalytic activity. The NH3 production rate of the optimal sample is 2.6 and 5.8 times higher than that of KNbO3 and BiPO4, respectively. The enhanced photoactivity of BiPO4/KNbO3 is also observed in the photocatalytic degradation of RhB. This study offers valuable insights for the design and preparation of S-scheme heterojunction photocatalysts
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|a Journal Article
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| 700 |
1 |
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|a Zeng, Zhihao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Xujie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Shude
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xia, Chuanqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Leihong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhuang, Lvchao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a He, Yiming
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 9 vom: 05. März, Seite 4953-4965
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
8 |
|g volume:40
|g year:2024
|g number:9
|g day:05
|g month:03
|g pages:4953-4965
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03935
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