CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Chemically activating MoS2 via spontaneous atomic palladium interfacial doping towards efficient hydrogen evolution
Luo, ZY; Ouyang, YX; Zhang, H; Xiao, ML; Ge, JJ; Jiang, Z; Wang, JL; Tang, DM; Cao, XZ; Liu, CP; Xing, W
2018
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume9Pages:-
Subtype期刊论文
AbstractLacking strategies to simultaneously address the intrinsic activity, site density, electrical transport, and stability problems of chalcogels is restricting their application in catalytic hydrogen production. Herein, we resolve these challenges concurrently through chemically activating the molybdenum disulfide (MoS2) surface basal plane by doping with a low content of atomic palladium using a spontaneous interfacial redox technique. Palladium substitution occurs at the molybdenum site, simultaneously introducing sulfur vacancy and converting the 2H into the stabilized 1T structure. Theoretical calculations demonstrate the sulfur atoms next to the palladium sites exhibit low hydrogen adsorption energy at -0.02 eV. The final MoS2 doped with only 1wt% of palladium demonstrates exchange current density of 805 mu A cm(-2) and 78 mV overpotential at 10 mA cm(-2), accompanied by a good stability. The combined advantages of our surface activating technique open the possibility of manipulating the catalytic performance of MoS2 to rival platinum.
KeywordInitio Molecular-dynamics Generalized Gradient Approximation Active Edge Sites Molybdenum-disulfide Sulfur Vacancies Liquid-metals Nanosheets Monolayer Catalyst Phase
DOI10.1038/s41467-018-04501-4
Indexed BySCI
Language英语
WOS IDWOS:000433299000003
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28941
Collection中科院上海应用物理研究所2011-2018年
Affiliation1.Luo, ZY
2.Ouyang, YX
3.Zhang, H
4.Xiao, ML
5.Ge, JJ
6.Jiang, Z
7.Wang, JL
8.Tang, DM
9.Cao, XZ
10.Liu, CP
11.Xing, W
Recommended Citation
GB/T 7714
Luo, ZY,Ouyang, YX,Zhang, H,et al. Chemically activating MoS2 via spontaneous atomic palladium interfacial doping towards efficient hydrogen evolution[J]. NATURE COMMUNICATIONS,2018,9:-.
APA Luo, ZY.,Ouyang, YX.,Zhang, H.,Xiao, ML.,Ge, JJ.,...&Xing, W.(2018).Chemically activating MoS2 via spontaneous atomic palladium interfacial doping towards efficient hydrogen evolution.NATURE COMMUNICATIONS,9,-.
MLA Luo, ZY,et al."Chemically activating MoS2 via spontaneous atomic palladium interfacial doping towards efficient hydrogen evolution".NATURE COMMUNICATIONS 9(2018):-.
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