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241115s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c03170
|2 doi
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|a pubmed25n1266.xml
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|a eng
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| 100 |
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|a Yin, Hongdie
|e verfasserin
|4 aut
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|a Highly Active MXene Quantum Dots/CuSe n-p Plasmonic Heterostructures for Ultrafast Photocatalytic Removal of Cr(VI) under Full Solar Spectrum
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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 19.11.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Identifying effective plasmonic photocatalysts exhibiting robust activities across the entire solar spectrum poses a significant challenge. CuSe, with its local surface plasmon resonance (LSPR) effect, has garnered attention as a prospective plasmonic photocatalyst. However, severe charge recombination and insufficient light absorption limit its photocatalytic performance. To enhance the performance, constructing CuSe-based n-p plasmonic semiconductor heterostructures is a potential strategy. MXene quantum dots (MQDs), a kind of n-type plasmonic semiconductor with metallic conductivity and a high LSPR effect, are a promising candidate to couple with p-type CuSe. According to the complementary principle, we designed a 0D/2D MQDs/CuSe n-p plasmonic semiconductor, achieved by wrapping CuSe nanosheets with MQDs. This n-p plasmonic heterostructure exhibits a synergistic effect on an enhanced electronic field, facilitating charge transfer and separation, thereby enhancing charge excitation, carrier migration, and photothermal effect. Furthermore, optimizing the MQD loading content leads to an ultrafast photocatalytic reaction rate, achieving 100% Cr(VI) reduction efficiency within just 60 min with a reaction kinetics of 0.069 min-1, surpassing the performance of bare CuSe. Our work presents a promising approach for developing advanced n-p plasmonic heterostructures based on MQDs for wastewater treatment and other photocatalytic applications
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|a Journal Article
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|a Pu, Biao
|e verfasserin
|4 aut
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|a Jiang, Hanmei
|e verfasserin
|4 aut
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| 700 |
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|a He, Huichao
|e verfasserin
|4 aut
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| 700 |
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|a Han, Tao
|e verfasserin
|4 aut
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|a Wang, Wenrong
|e verfasserin
|4 aut
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| 700 |
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|a Yu, Chaojun
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Zili
|e verfasserin
|4 aut
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| 700 |
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|a Li, Xingxin
|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 1985
|g 40(2024), 46 vom: 19. Nov., Seite 24484-24493
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:40
|g year:2024
|g number:46
|g day:19
|g month:11
|g pages:24484-24493
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|u http://dx.doi.org/10.1021/acs.langmuir.4c03170
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