Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/154125
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dc.contributor.authorTang, Yu-Jiaen_US
dc.contributor.authorZheng, Hanen_US
dc.contributor.authorWang, Yuen_US
dc.contributor.authorZhang, Wangen_US
dc.contributor.authorZhou, Kunen_US
dc.date.accessioned2021-12-15T06:44:09Z-
dc.date.available2021-12-15T06:44:09Z-
dc.date.issued2021-
dc.identifier.citationTang, Y., Zheng, H., Wang, Y., Zhang, W. & Zhou, K. (2021). Laser-induced annealing of metal–organic frameworks on conductive substrates for electrochemical water splitting. Advanced Functional Materials, 31(31), 2102648-. https://dx.doi.org/10.1002/adfm.202102648en_US
dc.identifier.issn1616-301Xen_US
dc.identifier.urihttps://hdl.handle.net/10356/154125-
dc.description.abstractThe conventional thermal transformation of metal–organic frameworks (MOFs) for electrocatalysis requires high temperature, an inert atmosphere, and long duration that result in severe aggregation of metal particles and non-uniform porous structures. Herein, a precise and inexpensive laser-induced annealing (LIA) strategy, which eliminates particle aggregation and rapidly generates uniform structures with a high exposure of active sites, is introduced to carbonize MOFs on conductive substrates under ambient conditions within a few minutes. By systematically considering 8 substrates and 12 MOFs, a series of LIA-MOF/substrate devices with controllable sizes and good flexibility are successfully obtained. These LIA-MOF/substrate devices can directly serve as working electrodes. Remarkably, LIA-MIL-101(Fe) on nickel foam exhibits an ultralow overpotential of 225 mV at a current density of 50 mA cm−2 and excellent stability over 50 h for facilitating the oxygen evolution reaction, outperforming most recently reported transition-metal-based electrocatalysts and commercial RuO2. Physical characterizations and theoretical calculations evidence that the high activity of LIA-MIL-101(Fe) arises from the favorable adsorption of intermediates at its Ni-doped Fe3O4 overlayer that is formed during the laser treatment. Moreover, the LIA-MOF/substrate devices are assembled for overall water splitting. The proposed LIA strategy demonstrates a cost-effective route for manufacturing scalable energy storage and conversion devices.en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.language.isoenen_US
dc.relation1521622101008en_US
dc.relation.ispartofAdvanced Functional Materialsen_US
dc.rightsThis is the peer reviewed version of the following article: Tang, Y., Zheng, H., Wang, Y., Zhang, W. & Zhou, K. (2021). Laser-induced annealing of metal–organic frameworks on conductive substrates for electrochemical water splitting. Advanced Functional Materials, 31(31), 2102648-, which has been published in final form at https://doi.org/10.1002/adfm.202102648. 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::Mechanical engineeringen_US
dc.titleLaser-induced annealing of metal–organic frameworks on conductive substrates for electrochemical water splittingen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.contributor.researchSingapore Centre for 3D Printingen_US
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.identifier.doi10.1002/adfm.202102648-
dc.description.versionAccepted versionen_US
dc.identifier.scopus2-s2.0-85106677568-
dc.identifier.issue31en_US
dc.identifier.volume31en_US
dc.identifier.spage2102648en_US
dc.subject.keywordsMetal-Organic Frameworksen_US
dc.subject.keywordsLaser-Induced Annealingen_US
dc.description.acknowledgementThis research is supported by the National Research Foundation, Prime Minister’s Office, Singapore under its Medium-Sized Centre funding scheme through the Marine and Offshore Program, and the startup foundation for introducing talent of NUIST (No. 1521622101008). H.Z., Y.W., and K.Z. also acknowledge the financial support from the Nanyang Environment and Water Research Institute (Core Fund), Nanyang Technological University, Singapore.en_US
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