Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/159303
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dc.contributor.authorZhang, Taoen_US
dc.contributor.authorLiu, Yipuen_US
dc.contributor.authorYu, Jieen_US
dc.contributor.authorYe, Qitongen_US
dc.contributor.authorYang, Liangen_US
dc.contributor.authorLi, Yueen_US
dc.contributor.authorFan, Hong Jinen_US
dc.date.accessioned2022-06-14T01:11:10Z-
dc.date.available2022-06-14T01:11:10Z-
dc.date.issued2022-
dc.identifier.citationZhang, T., Liu, Y., Yu, J., Ye, Q., Yang, L., Li, Y. & Fan, H. J. (2022). Biaxially strained MoS₂ nanoshells with controllable layers boost alkaline hydrogen evolution. Advanced Materials. https://dx.doi.org/10.1002/adma.202202195en_US
dc.identifier.issn0935-9648en_US
dc.identifier.urihttps://hdl.handle.net/10356/159303-
dc.description.abstractStrain in layered transition-metal dichalcogenides (TMDs) is a type of effective approach to enhance the catalytic performance by activating their inert basal plane. However, compared with traditional uniaxial strain, the influence of biaxial strain and the TMD layer number on the local electronic configuration remains unexplored. Herein, via a new in situ self-vulcanization strategy, biaxially strained MoS2 nanoshells in the form of a single-crystalline Ni3 S2 @MoS2 core-shell heterostructure are realized, where the MoS2 layer is precisely controlled between the 1 and 5 layers. In particular, an electrode with the bilayer MoS2 nanoshells shows a remarkable hydrogen evolution reaction activity with a small overpotential of 78.1 mV at 10 mA cm-2 , and negligible activity degradation after durability testing. Density functional theory calculations reveal the contribution of the optimized biaxial strain together with the induced sulfur vacancies and identify the origin of superior catalytic sites in these biaxially strained MoS2 nanoshells. This work highlights the importance of the atomic-scale layer number and multiaxial strain in unlocking the potential of 2D TMD electrocatalysts.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.language.isoenen_US
dc.relationRG125/21en_US
dc.relation.ispartofAdvanced Materialsen_US
dc.rightsThis is the peer reviewed version of the following article: Zhang, T., Liu, Y., Yu, J., Ye, Q., Yang, L., Li, Y. & Fan, H. J. (2022). Biaxially strained MoS₂ nanoshells with controllable layers boost alkaline hydrogen evolution. Advanced Materials., which has been published in final form at https://doi.org/10.1002/adma.202202195. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.en_US
dc.subjectEngineering::Materials::Energy materialsen_US
dc.titleBiaxially strained MoS₂ nanoshells with controllable layers boost alkaline hydrogen evolutionen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doi10.1002/adma.202202195-
dc.description.versionSubmitted/Accepted versionen_US
dc.identifier.pmid35474349-
dc.identifier.scopus2-s2.0-85131010487-
dc.subject.keywordsAlkaline Hydrogen Evolutionen_US
dc.subject.keywordsBiaxial Strainen_US
dc.description.acknowledgementThis work was supported from the Singapore Ministry of Education by AcRF Tier 1 (RG125/21). The authors acknowledge financial support from the National Science Fund for Distinguished Young Scholars (Grant No. 51825103), the Natural Science Foundation of China (Grant Nos. 52001306, 22005116), and the International Postdoctoral Exchange Fellowship Program (Grant No. 20190067)en_US
item.grantfulltextembargo_20230503-
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