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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201803351
|2 doi
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|a pubmed24n0956.xml
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|a (DE-627)NLM286990830
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|a DE-627
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|e rakwb
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|a eng
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|a Chen, Dechao
|e verfasserin
|4 aut
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|a Spontaneous Formation of Noble- and Heavy-Metal-Free Alloyed Semiconductor Quantum Rods for Efficient Photocatalysis
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|c 2018
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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 Completed 27.09.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Quasi-1D cadmium chalcogenide quantum rods (QRs) are benchmark semiconductor materials that are combined with noble metals to constitute QR heterostructures for efficient photocatalysis. However, the high toxicity of cadmium and cost of noble metals are the main obstacles to their widespread use. Herein, a facile colloidal synthetic approach is reported that leads to the spontaneous formation of cadmium-free alloyed ZnSx Se1-x QRs from polydisperse ZnSe nanowires by alkylthiol etching. The obtained non-noble-metal ZnSx Se1-x QRs can not only be directly adopted as efficient photocatalysts for water oxidation, showing a striking oxygen evolution capability of 3000 µmol g-1 h-1 , but also be utilized to prepare QR-sensitized TiO2 photoanodes which present enhanced photo-electrochemical (PEC) activity. Density functional theory (DFT) simulations reveal that alloyed ZnSx Se1-x QRs have highly active Zn sites on the (100) surface and reduced energy barrier for oxygen evolution, which in turn, are beneficial to their outstanding photocatalytic and PEC activities
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|a Journal Article
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|a alloyed quantum rods
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|a heavy-metal-free
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|a noble-metal-free
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|a oxygen evolution reaction
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|a photocatalysis
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|a Zhang, Huayang
|e verfasserin
|4 aut
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|a Li, Yunguo
|e verfasserin
|4 aut
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|a Pang, Yingping
|e verfasserin
|4 aut
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|a Yin, Zongyou
|e verfasserin
|4 aut
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|a Sun, Hongqi
|e verfasserin
|4 aut
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|a Zhang, Lai-Chang
|e verfasserin
|4 aut
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|a Wang, Shaobin
|e verfasserin
|4 aut
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|a Saunders, Martin
|e verfasserin
|4 aut
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|a Barker, Emily
|e verfasserin
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|a Jia, Guohua
|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 30(2018), 39 vom: 30. Sept., Seite e1803351
|w (DE-627)NLM098206397
|x 1521-4095
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|g volume:30
|g year:2018
|g number:39
|g day:30
|g month:09
|g pages:e1803351
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|u http://dx.doi.org/10.1002/adma.201803351
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