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dc.contributor.authorPawar, S. M.
dc.contributor.authorAqueel Ahmed, Abu Talha
dc.contributor.authorLee, Chi Ho
dc.contributor.authorBabar, Pravin Tukaram
dc.contributor.authorKim, J. H.
dc.contributor.authorLee, Sang Uck
dc.contributor.authorKim, Hyungsang
dc.contributor.authorIm, Hyunsik
dc.date.accessioned2021-12-08T11:01:29Z
dc.date.available2021-12-08T11:01:29Z
dc.date.issued2021-12-02
dc.identifier.citationPawar, S. M., Aqueel Ahmed, A. T., Lee, C. H., Babar, P. T., Kim, J. H., Lee, S. U., … Im, H. (2021). Experimental and Theoretical Insights into Transition-Metal (Mo, Fe) Codoping in a Bifunctional Nickel Phosphide Microsphere Catalyst for Enhanced Overall Water Splitting. ACS Applied Energy Materials. doi:10.1021/acsaem.1c02930
dc.identifier.issn2574-0962
dc.identifier.issn2574-0962
dc.identifier.doi10.1021/acsaem.1c02930
dc.identifier.urihttp://hdl.handle.net/10754/673951
dc.description.abstractThe facile synthesis of efficient non-precious-metal-based bifunctional catalysts for overall water splitting is highly desirable from both industrial and environmental perspectives. This study reports the electrodeposition and characterization of a transition-metal (Mo, Fe)-codoped nickel phosphide (Ni3P:FeMo) bifunctional catalyst for enhanced overall water splitting in an alkaline medium. The Ni3P:FeMo catalyst exhibited outstanding electrocatalytic performance for both the hydrogen evolution reaction and oxygen evolution reaction with low overpotentials of −103 and 290 mV, respectively, at a high current density of 100 mA/cm2 along with fast electrocatalytic kinetics. A full water-splitting electrolyzer consisting of a bifunctional Ni3P:FeMo catalyst required a low cell voltage of 1.48 V to attain a current density of 10 mA/cm2 with excellent stability for more than 50 h. Density functional theory calculations provided insights into the microscopic mechanism of the effective modulation of the p- and d-band centers of the P and Ni active sites by the Mo and Fe codoping of Ni3P, thereby enhancing the bifunctional catalytic activity of Ni3P.
dc.description.sponsorshipThis work was supported by the Basic Science Research Program of the National Research Foundation of Korea (grant nos. 2018R1D1A1B07049046 and 2021R1A2B5B01002879) and the Creative Materials Discovery Program on Creative Multilevel Research Center (2018M3D1A1057844).
dc.publisherAmerican Chemical Society (ACS)
dc.relation.urlhttps://pubs.acs.org/doi/10.1021/acsaem.1c02930
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Energy Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsaem.1c02930.
dc.subjecttransition-metal-codoped nickel phosphide
dc.subjectelectrodeposition
dc.subjectoxygen evolution reaction
dc.subjecthydrogen evolution reaction
dc.subjectoverall water splitting
dc.titleExperimental and Theoretical Insights into Transition-Metal (Mo, Fe) Codoping in a Bifunctional Nickel Phosphide Microsphere Catalyst for Enhanced Overall Water Splitting
dc.typeArticle
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Center
dc.identifier.journalACS Applied Energy Materials
dc.rights.embargodate2022-12-02
dc.eprint.versionPost-print
dc.contributor.institutionDivision of Physics and Semiconductor Science, Dongguk University, Seoul 04620, South Korea
dc.contributor.institutionDepartment of Physics, Sanjay Ghodawat University, Kolhapur 416118, India
dc.contributor.institutionDepartment of Bionano Technology and Department of Applied Chemistry, Hanyang University, Ansan 15588, South Korea
dc.contributor.institutionDepartment of Materials Science and Engineering, Chonnam National University, Gwangju 500-757, South Korea
dc.contributor.institutionDepartment of Applied Chemistry, Center for Bionano Intelligence Education and Research, Hanyang University ERICA, Ansan 15588, South Korea
kaust.personBabar, Pravin Tukaram
refterms.dateFOA2021-12-08T11:19:09Z


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