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240310s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202313513
|2 doi
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|a pubmed24n1439.xml
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|a (DE-627)NLM369508742
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|a (NLM)38461147
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Yang, Zhi
|e verfasserin
|4 aut
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|a Unveiling the Synergistic Role of Frustrated Lewis Pairs in Carbon-Encapsulated Ni/NiOx Photothermal Cocatalyst for Enhanced Photocatalytic Hydrogen Production
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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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|2 rdacarrier
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|a Date Revised 13.06.2024
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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 Authors. Advanced Materials published by Wiley‐VCH GmbH.
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|a The development of high-density and closely spaced frustrated Lewis pairs (FLPs) is crucial for enhancing catalyst activity and accelerating reaction rates. However, constructing efficient FLPs by breaking classical Lewis bonds poses a significant challenge. Here, this work has made a pivotal discovery regarding the Jahn-Teller effect during the formation of grain boundaries in carbon-encapsulated Ni/NiOx (Ni/NiOxC). This effect facilitates the formation of high-density O (VO) and Ni (VNi) vacancy sites with different charge polarities, specifically FLP-VO-C basic sites and FLP-VNi-C acidic sites. The synergistic interaction between FLP-VO-C and FLP-VNi-C sites not only reduces energy barriers for water adsorption and splitting, but also induces a strong photothermal effect. This mutually reinforcing effect contributes to the exceptional performance of Ni/NiOx@C as a cocatalyst in photothermal-assisted photocatalytic hydrogen production. Notably, the Ni/NiOx@C/g-C3N4 (NOCC) composite photocatalyst exhibits remarkable hydrogen production activity with a rate of 10.7 mmol g-1 h-1, surpassing that of the Pt cocatalyst by 1.76 times. Moreover, the NOCC achieves an impressive apparent quantum yield of 40.78% at a wavelength of 380 nm. This work paves the way for designing novel defect-state multiphase cocatalysts with high-density and adjacent FLP sites, which hold promise for enhancing various catalytic reactions
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|a Journal Article
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|a Ni/NiOx@C
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|a frustrated Lewis pairs
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|a hydrogen production
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|a photocatalysis
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| 650 |
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|a photothermal
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|a Huang, Taiyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Meng
|e verfasserin
|4 aut
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1 |
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|a Wang, Xudong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Xiaosong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Siyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Qiongzhi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cai, Xin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yingju
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Yueping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yu
|e verfasserin
|4 aut
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|a Zhang, Shanqing
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Shengsen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 24 vom: 09. Juni, Seite e2313513
|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:24
|g day:09
|g month:06
|g pages:e2313513
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|u http://dx.doi.org/10.1002/adma.202313513
|3 Volltext
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