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dc.contributor.authorNaik, Gautam Kumar
dc.contributor.authorMajhi, Sanjit Manohar
dc.contributor.authorJeong, Kwang-Un
dc.contributor.authorLee, In-Hwan
dc.contributor.authorYu, Yeon Tae
dc.date.accessioned2018-12-31T13:35:08Z
dc.date.available2018-12-31T13:35:08Z
dc.date.issued2018-08-31
dc.identifier.citationNaik GK, Majhi SM, Jeong K-U, Lee I-H, Yu YT (2019) Nitrogen doping on the core-shell structured Au@TiO2 nanoparticles and its enhanced photocatalytic hydrogen evolution under visible light irradiation. Journal of Alloys and Compounds 771: 505–512. Available: http://dx.doi.org/10.1016/j.jallcom.2018.08.277.
dc.identifier.issn0925-8388
dc.identifier.doi10.1016/j.jallcom.2018.08.277
dc.identifier.urihttp://hdl.handle.net/10754/630532
dc.description.abstractThe current study concerns about the large band gap of TiO for its use as photocatalysts. The photocatalytic activity of core-shell structured Au@TiO nanoparticles were enhanced by the doping of nitrogen. The nitrogen doping has been done by simple hydrothermal method taking ethylenediamine as the precursor for nitrogen. The crystals structure of TiO shell remained unaltered even with the introduction of nitrogen. The photocatalytic activity of the prepared samples were evaluated towards the hydrogen evolution from photocatalytic water splitting under solar light irradiation. It was found that nitrogen doped core-shell structured Au@TiO nanoparticles (Au@N-TiO) showed higher photocatalytic activity with an average H evolution rate of 4880 μmol hg, which is 3.79 times more than that of bare TiO in 4 h under xenon light irradiation. The relationship among the other samples was in order of Au@N-TiO > Au@TiO > N-TiO > TiO. This enhanced photocatalytic activity of Au@N-TiO can be responsible for the formation of an plasmonic photocatalyst and the formation of an impurity band between the conduction band (CB) and the valence band (VB) of TiO.
dc.description.sponsorshipThis work was supported by 1) BK21 plus program from the Ministry of Education and Human-Resource Development, 2) National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP) (BRL No. 2015042417, 2016R1A2B4014090) and 3) “Research Base Construction Fund Support Program” funded by Chonbuk National University in 2017.
dc.publisherElsevier BV
dc.relation.urlhttp://www.sciencedirect.com/science/article/pii/S092583881833175X
dc.subjectCore-shell
dc.subjectHydrogen evolution
dc.subjectNitrogen doped
dc.subjectTiO2
dc.subjectWater splitting
dc.titleNitrogen doping on the core-shell structured Au@TiO2 nanoparticles and its enhanced photocatalytic hydrogen evolution under visible light irradiation
dc.typeArticle
dc.contributor.departmentAdvanced Membranes and Porous Materials Research Center
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.identifier.journalJournal of Alloys and Compounds
dc.contributor.institutionDivision of Advanced Materials Engineering and Research Center for Advanced Materials Development, College of Engineering, Chonbuk National University, Jeonju, 54899, , South Korea
dc.contributor.institutionPolymer Materials Fusion Research Center & Department of Polymer-Nano Science and Technology, Chonbuk National University, Jeonju, 54896, , South Korea
dc.contributor.institutionDepartment of Materials Science and Engineering, Korea University, Seoul, 02841, , South Korea
kaust.personMajhi, Sanjit Manohar
dc.date.published-online2018-08-31
dc.date.published-print2019-01


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