Symmetrical synergy of hybrid CoS2-WS2 electrocatalysts for hydrogen evolution reaction

Handle URI:
http://hdl.handle.net/10754/624915
Title:
Symmetrical synergy of hybrid CoS2-WS2 electrocatalysts for hydrogen evolution reaction
Authors:
Zhou, Xiaofeng; Yang, Xiulin ( 0000-0003-2642-4963 ) ; Li, Henan; Hedhili, Mohamed N. ( 0000-0002-3624-036X ) ; Huang, Kuo-Wei ( 0000-0003-1900-2658 ) ; Li, Lain-Jong ( 0000-0002-4059-7783 ) ; Zhang, Wenjing
Abstract:
A highly active and stable hybrid electrocatalyst 3D hierarchical CoS2 nanosheets incorporated with WS2 (CoS2@WS2) has been developed via a one-step sulfurization method for the first time, where the contents of WS2 can be adjusted easily. We first prove the addition of small amounts of WS2 enhances the hydrogen evolution reaction (HER) performance of CoS2, and vise versa. In other words, we validated the symmetric synergy for HER between the Co- and W-based sulfide hybrid catalysts. In addition, we confirmed that the formation of nanointerfaces of Co-S-W between CoS2 and WS2 was responsible for the excellent HER activity (an overpotential of -97.2 mV at -10 mA/cm2, a small Tafel slope of 66.0 mV/dec, and prominent electrochemical stability) of hybrid electrocatalyst CoS2@WS2.
KAUST Department:
KAUST Catalysis Center (KCC); Physical Sciences and Engineering (PSE) Division
Citation:
Zhou X, Yang X, Li henan, Hedhili MN, Huang K-W, et al. (2017) Symmetrical synergy of hybrid CoS2-WS2 electrocatalysts for hydrogen evolution reaction. J Mater Chem A. Available: http://dx.doi.org/10.1039/c7ta03041j.
Publisher:
Royal Society of Chemistry (RSC)
Journal:
J. Mater. Chem. A
Issue Date:
5-Jun-2017
DOI:
10.1039/c7ta03041j
Type:
Article
ISSN:
2050-7488; 2050-7496
Sponsors:
This work was financially supported by the National Natural Science Foundation of China (Grant No. 51472164), the Natural Science Foundation of SZU (Grant No. 000050), the 1000 Talents Program for Young Scientists of China, the Educational Commission of Guangdong Province (Grant No. 2015KGJHZ006), the Science and Technology Planning Project of Guangdong Province (Grant No. 2016B050501005) and the Educational Commission of Guangdong Province (Grant No. 2016KCXTD006), the China Postdoctoral Science Foundation (Grant No. 2016M592538), and KCC Center Competitive Funding (CCF) of King Abdullah University of Science and Technology (KAUST), Saudi Arabia.
Additional Links:
http://pubs.rsc.org/en/Content/ArticleLanding/2017/TA/C7TA03041J#!divAbstract
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; KAUST Catalysis Center (KCC)

Full metadata record

DC FieldValue Language
dc.contributor.authorZhou, Xiaofengen
dc.contributor.authorYang, Xiulinen
dc.contributor.authorLi, Henanen
dc.contributor.authorHedhili, Mohamed N.en
dc.contributor.authorHuang, Kuo-Weien
dc.contributor.authorLi, Lain-Jongen
dc.contributor.authorZhang, Wenjingen
dc.date.accessioned2017-06-12T08:33:42Z-
dc.date.available2017-06-12T08:33:42Z-
dc.date.issued2017-06-05en
dc.identifier.citationZhou X, Yang X, Li henan, Hedhili MN, Huang K-W, et al. (2017) Symmetrical synergy of hybrid CoS2-WS2 electrocatalysts for hydrogen evolution reaction. J Mater Chem A. Available: http://dx.doi.org/10.1039/c7ta03041j.en
dc.identifier.issn2050-7488en
dc.identifier.issn2050-7496en
dc.identifier.doi10.1039/c7ta03041jen
dc.identifier.urihttp://hdl.handle.net/10754/624915-
dc.description.abstractA highly active and stable hybrid electrocatalyst 3D hierarchical CoS2 nanosheets incorporated with WS2 (CoS2@WS2) has been developed via a one-step sulfurization method for the first time, where the contents of WS2 can be adjusted easily. We first prove the addition of small amounts of WS2 enhances the hydrogen evolution reaction (HER) performance of CoS2, and vise versa. In other words, we validated the symmetric synergy for HER between the Co- and W-based sulfide hybrid catalysts. In addition, we confirmed that the formation of nanointerfaces of Co-S-W between CoS2 and WS2 was responsible for the excellent HER activity (an overpotential of -97.2 mV at -10 mA/cm2, a small Tafel slope of 66.0 mV/dec, and prominent electrochemical stability) of hybrid electrocatalyst CoS2@WS2.en
dc.description.sponsorshipThis work was financially supported by the National Natural Science Foundation of China (Grant No. 51472164), the Natural Science Foundation of SZU (Grant No. 000050), the 1000 Talents Program for Young Scientists of China, the Educational Commission of Guangdong Province (Grant No. 2015KGJHZ006), the Science and Technology Planning Project of Guangdong Province (Grant No. 2016B050501005) and the Educational Commission of Guangdong Province (Grant No. 2016KCXTD006), the China Postdoctoral Science Foundation (Grant No. 2016M592538), and KCC Center Competitive Funding (CCF) of King Abdullah University of Science and Technology (KAUST), Saudi Arabia.en
dc.publisherRoyal Society of Chemistry (RSC)en
dc.relation.urlhttp://pubs.rsc.org/en/Content/ArticleLanding/2017/TA/C7TA03041J#!divAbstracten
dc.rightsArchived with thanks to J. Mater. Chem. Aen
dc.titleSymmetrical synergy of hybrid CoS2-WS2 electrocatalysts for hydrogen evolution reactionen
dc.typeArticleen
dc.contributor.departmentKAUST Catalysis Center (KCC)en
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalJ. Mater. Chem. Aen
dc.eprint.versionPost-printen
dc.contributor.institutionSZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, Chinaen
kaust.authorZhou, Xiaofengen
kaust.authorYang, Xiulinen
kaust.authorLi, Henanen
kaust.authorHedhili, Mohamed N.en
kaust.authorHuang, Kuo-Weien
kaust.authorLi, Lain-Jongen
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