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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201705509
|2 doi
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|a pubmed24n0933.xml
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|a (NLM)29333655
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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 |
1 |
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|a Tan, Chaoliang
|e verfasserin
|4 aut
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| 245 |
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|a Preparation of High-Percentage 1T-Phase Transition Metal Dichalcogenide Nanodots for Electrochemical Hydrogen Evolution
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|c 2018
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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 01.08.2018
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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 © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Nanostructured transition metal dichalcogenides (TMDs) are proven to be efficient and robust earth-abundant electrocatalysts to potentially replace precious platinum-based catalysts for the hydrogen evolution reaction (HER). However, the catalytic efficiency of reported TMD catalysts is still limited by their low-density active sites, low conductivity, and/or uncleaned surface. Herein, a general and facile method is reported for high-yield, large-scale production of water-dispersed, ultrasmall-sized, high-percentage 1T-phase, single-layer TMD nanodots with high-density active edge sites and clean surface, including MoS2 , WS2 , MoSe2 , Mo0.5 W0.5 S2 , and MoSSe, which exhibit much enhanced electrochemical HER performances as compared to their corresponding nanosheets. Impressively, the obtained MoSSe nanodots achieve a low overpotential of -140 mV at current density of 10 mA cm-2 , a Tafel slope of 40 mV dec-1 , and excellent long-term durability. The experimental and theoretical results suggest that the excellent catalytic activity of MoSSe nanodots is attributed to the high-density active edge sites, high-percentage metallic 1T phase, alloying effect and basal-plane Se-vacancy. This work provides a universal and effective way toward the synthesis of TMD nanostructures with abundant active sites for electrocatalysis, which can also be used for other applications such as batteries, sensors, and bioimaging
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|a Journal Article
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|a MoS2, MoSSe
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|a hydrogen evolution
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|a metallic 1T phase
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|a nanodots
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|a transition metal dichalcogenides
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|a Luo, Zhimin
|e verfasserin
|4 aut
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|a Chaturvedi, Apoorva
|e verfasserin
|4 aut
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1 |
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|a Cai, Yongqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Yonghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gong, Yue
|e verfasserin
|4 aut
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|a Huang, Ying
|e verfasserin
|4 aut
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1 |
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|a Lai, Zhuangchai
|e verfasserin
|4 aut
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|a Zhang, Xiao
|e verfasserin
|4 aut
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|a Zheng, Lirong
|e verfasserin
|4 aut
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|a Qi, Xiaoying
|e verfasserin
|4 aut
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|a Goh, Min Hao
|e verfasserin
|4 aut
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|a Wang, Jie
|e verfasserin
|4 aut
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|a Han, Shikui
|e verfasserin
|4 aut
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|a Wu, Xue-Jun
|e verfasserin
|4 aut
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|a Gu, Lin
|e verfasserin
|4 aut
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|a Kloc, Christian
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Hua
|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), 9 vom: 15. März
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:30
|g year:2018
|g number:9
|g day:15
|g month:03
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|u http://dx.doi.org/10.1002/adma.201705509
|3 Volltext
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