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dc.contributor.authorYang, Lingyan
dc.contributor.authorLiu, Jing
dc.contributor.authorYang, Liping
dc.contributor.authorZhang, Mei
dc.contributor.authorZhu, Hui
dc.contributor.authorWang, Fu
dc.contributor.authorYin, Jiao
dc.date.accessioned2019-07-31T13:36:45Z
dc.date.available2019-07-31T13:36:45Z
dc.date.issued2019-06-17
dc.identifier.citationYang, L., Liu, J., Yang, L., Zhang, M., Zhu, H., Wang, F., & Yin, J. (2020). Co3O4 imbedded g-C3N4 heterojunction photocatalysts for visible-light-driven hydrogen evolution. Renewable Energy, 145, 691–698. doi:10.1016/j.renene.2019.06.072
dc.identifier.doi10.1016/j.renene.2019.06.072
dc.identifier.urihttp://hdl.handle.net/10754/656273
dc.description.abstractCo3O4 imbedded g-C3N4 (Co3O4/g-C3N4) heterojunction photocatalysts were synthesized via initial dissolution of C, N and Co organic precursors in aqueous phase, subsequent evaporation of water and final thermopolymerization. This facile aqueous-induced complexation of organic precursors guaranteed that Co3O4 was homogeneously dispersed in g-C3N4 matrix even if the mass loading of Co3O4 reached up to 0.3–3 wt %. The as-constructed Co3O4/g-C3N4 composites were applied in visible-light-driven hydrogen evolution for the first time in which the mass loading of Co3O4 was optimized at 1 wt %, achieving a maximal hydrogen evolution rate of 50 μmol/h/g, as higher as 5 times than those of pure g-C3N4 and Co3O4. The enhanced photocatalytic activity of Co3O4/g-C3N4 composites was originated from well-established p-n heterojunctions when certain amount of p-type Co3O4 nanoparticles were introduced and highly dispersed into n-type g-C3N4 matrix. The Co3O4/g-C3N4 p-n heterojunctions effectively retard the recombination of photoinduced electron-hole pairs, promote charge separation, extend visible light absorption range and finally improve photocatalytic hydrogen evolution activity and stability. As a result, this facile, effective, green and universal strategy opens up new horizons to realize high dispersion of metal oxides in g-C3N4 matrix and to achieve higher performance in photocatalytic activity.
dc.description.sponsorshipThis work is financially supported by the Youth Innovation Promotion Association, Chinese Academy of Sciences (Grant No. 2019427), the National Key Research and Development Program of China (Grant No. 2017YFC0110202), and the Foundation of Director of Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences (Grant No. 2016PY005).
dc.publisherElsevier BV
dc.relation.urlhttps://linkinghub.elsevier.com/retrieve/pii/S0960148119309000
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Renewable Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Renewable Energy, [[Volume], [Issue], (2019-06-17)] DOI: 10.1016/j.renene.2019.06.072 . © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectCo3O4/g-C3N4
dc.subjectHeterojunction interfaces
dc.subjectPhotocatalysts
dc.subjectVisible light
dc.subjectHydrogen evolution
dc.titleCo3O4 imbedded g-C3N4 heterojunction photocatalysts for visible-light-driven hydrogen evolution
dc.typeArticle
dc.contributor.departmentKing Abdullah University of Science and Technology (KAUST), Advanced Membranes and Porous Materials Center, Physical Sciences and Engineering Division, Thuwal, 23955-6900, Saudi Arabia
dc.identifier.journalRenewable Energy
dc.rights.embargodate2021-06-17
dc.eprint.versionPost-print
dc.contributor.institutionLaboratory of Environmental Sciences and Technology, Xinjiang Technical Institute of Physics & Chemistry, Key Laboratory of Functional Materials and Devices for Special Environments, Chinese Academy of Sciences, Urumqi, 830011, China
dc.contributor.institutionUniversity of Chinese Academy of Sciences, Beijing, 100049, China
dc.contributor.institutionCollege of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi, Xinjiang, 830054, China
kaust.personZhu, Hui
dc.date.published-online2019-06-17
dc.date.published-print2020-01


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NOTICE: this is the author’s version of a work that was accepted for publication in Renewable Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Renewable Energy, [[Volume], [Issue], (2019-06-17)] DOI: 10.1016/j.renene.2019.06.072 . © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Except where otherwise noted, this item's license is described as NOTICE: this is the author’s version of a work that was accepted for publication in Renewable Energy. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Renewable Energy, [[Volume], [Issue], (2019-06-17)] DOI: 10.1016/j.renene.2019.06.072 . © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/