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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202300902
|2 doi
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|a pubmed24n1182.xml
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|a (DE-627)NLM354824392
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|a (NLM)36977472
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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, Jiankang
|e verfasserin
|4 aut
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|a Mechanistic Insight into the Synergy between Platinum Single Atom and Cluster Dual Active Sites Boosting Photocatalytic Hydrogen Evolution
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|c 2023
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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
|b cr
|2 rdacarrier
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|a Date Completed 22.06.2023
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|a Date Revised 22.06.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a In the energy transition context, the design and synthesis of high-performance Pt-based photocatalysts with low Pt content and ultrahigh atom-utilization efficiency for hydrogen production are essential. Herein, a facile approach for decorating atomically dispersed Pt cocatalysts having single-atom (SA) and atomic cluster (C) dual active sites on CdS nanorods (PtSA+C /CdS) via atomic layer deposition is reported. The size of the cocatalyst and the spatial intimacy of the cocatalyst active sites are precisely engineered at the atomic scale. The PtSA+C /CdS photocatalysts show the optimized photocatalytic hydrogen evolution activity, achieving a reaction rate of 80.4 mmol h-1 g-1 , which is 1.6- and 7.3-fold higher than those of the PtSA /CdS and PtNP /CdS photocatalysts, respectively. Thorough characterization and theoretical calculations reveal that the enhanced photocatalytic activity is due to a remarkable synergy between SAs and atomic clusters as dual active sites, which are responsible for water adsorption-dissociation and hydrogen desorption, respectively. A similar synergetic effect is found in a representative Pt/TiO2 system, indicating the generality of the strategy. This study demonstrates the significance of the synergy between active sites for enhancing the reaction efficiency, opening a new avenue for the rational design of atomically dispersed photocatalysts with high efficiency
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|a Journal Article
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|a Pt single atoms and clusters
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|a atomic layer deposition
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|a dual active sites
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|a photocatalytic hydrogen evolution
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4 |
|a synergy
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|a Pan, Yukun
|e verfasserin
|4 aut
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1 |
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|a Feng, Dan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Lin
|e verfasserin
|4 aut
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|a Zhao, Shichao
|e verfasserin
|4 aut
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|a Hu, Jinlong
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Sen
|e verfasserin
|4 aut
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| 700 |
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|a Qin, Yong
|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 35(2023), 25 vom: 28. Juni, Seite e2300902
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:25
|g day:28
|g month:06
|g pages:e2300902
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|u http://dx.doi.org/10.1002/adma.202300902
|3 Volltext
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