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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202000478
|2 doi
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|a pubmed24n1027.xml
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|a (DE-627)NLM308354044
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|a (NLM)32250020
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Liang, Suxia
|e verfasserin
|4 aut
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|a A Novel Single-Atom Electrocatalyst Ti1 /rGO for Efficient Cathodic Reduction in Hybrid Photovoltaics
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Single-atom catalysts (SACs) are a frontier research topic in the catalysis community. Carbon materials decorated with atomically dispersed Ti are theoretically predicted with many attractive applications. However, such material has not been achieved so far. Herein, a Ti-based SAC, consisting of isolated Ti anchored by oxygen atoms on reduced graphene oxide (rGO) (termed as Ti1 /rGO), is successfully synthesized. The structure of Ti1 /rGO is characterized by high-angle annular dark-field scanning transmission electron microscopy and X-ray absorption fine structure spectroscopy, being determined to have a five coordinated local structure TiO5 . When serving as non-Pt cathode material in dye-sensitized solar cells (DSCs), Ti1 /rGO exhibits high electrocatalytic activity toward the tri-iodide reduction reaction. The power conversion efficiency of DSCs based on Ti1 /rGO is comparable to that using conventional Pt cathode. The unique structure of TiO5 moieties and the crucial role of atomically dispersed Ti in Ti1 /rGO are well understood by experiments and density functional theory calculations. This emerging material shows potential applications in energy conversion and storage devices
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|a Journal Article
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|a cathode reaction
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|a dye-sensitized solar cells
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|a reduced graphene oxide
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|a single-atom catalysts
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|a titanium
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|a Zhu, Chao
|e verfasserin
|4 aut
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|a Zhang, Naitian
|e verfasserin
|4 aut
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|a Zhang, Shuo
|e verfasserin
|4 aut
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|a Qiao, Botao
|e verfasserin
|4 aut
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|a Liu, Hua
|e verfasserin
|4 aut
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|a Liu, Xiaoyan
|e verfasserin
|4 aut
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|a Liu, Zheng
|e verfasserin
|4 aut
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|a Song, Xuedan
|e verfasserin
|4 aut
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|a Zhang, Heming
|e verfasserin
|4 aut
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|a Hao, Ce
|e verfasserin
|4 aut
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|a Shi, Yantao
|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 32(2020), 19 vom: 27. Mai, Seite e2000478
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:32
|g year:2020
|g number:19
|g day:27
|g month:05
|g pages:e2000478
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|u http://dx.doi.org/10.1002/adma.202000478
|3 Volltext
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