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240512s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202309205
|2 doi
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|a pubmed24n1468.xml
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|a (DE-627)NLM372218822
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|a (NLM)38733334
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhang, Jingjing
|e verfasserin
|4 aut
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|a Accumulation of Long-Lived Photogenerated Holes at Indium Single-Atom Catalysts via Two Coordinate Nitrogen Vacancy Defect Engineering for Enhanced Photocatalytic Oxidation
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 12.07.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Visible-light-driven photocatalytic oxidation by photogenerated holes has immense potential for environmental remediation applications. While the electron-mediated photoreduction reactions are often at the spotlight, active holes possess a remarkable oxidation capacity that can degrade recalcitrant organic pollutants, resulting in nontoxic byproducts. However, the random charge transfer and rapid recombination of electron-hole pairs hinder the accumulation of long-lived holes at the reaction center. Herein, a novel method employing defect-engineered indium (In) single-atom photocatalysts with nitrogen vacancy (Nv) defects, dispersed in carbon nitride foam (In-Nv-CNF), is reported to overcome these challenges and make further advances in photocatalysis. This Nv defect-engineered strategy produces a remarkable extension in the lifetime and an increase in the concentration of photogenerated holes in In-Nv-CNF. Consequently, the optimized In-Nv-CNF demonstrates a remarkable 50-fold increase in photo-oxidative degradation rate compared to pristine CN, effectively breaking down two widely used antibiotics (tetracycline and ciprofloxacin) under visible light. The contaminated water treated by In-Nv-CNF is completely nontoxic based on the growth of Escherichia coli. Structural-performance correlations between defect engineering and long-lived hole accumulation in In-Nv-CNF are established and validated through experimental and theoretical agreement. This work has the potential to elevate the efficiency of overall photocatalytic reactions from a hole-centric standpoint
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|a Journal Article
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|a carbon nitride
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|a degradation of antibiotics
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|a indium
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|a photocatalytic oxidation
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|a photogenerated holes
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|a single‐atom photocatalysts
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1 |
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|a Yang, Xuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Guofang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Biswal, Basanta Kumar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Balasubramanian, Rajasekhar
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 28 vom: 28. Juli, Seite e2309205
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:28
|g day:28
|g month:07
|g pages:e2309205
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|u http://dx.doi.org/10.1002/adma.202309205
|3 Volltext
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