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dc.contributor.authorXi, Lifeien
dc.contributor.authorChiam, Sing Yangen
dc.contributor.authorMak, Wai Fatten
dc.contributor.authorTran, Phong D.en
dc.contributor.authorBarber, Jamesen
dc.contributor.authorLoo, Say Chye Joachimen
dc.contributor.authorWong, Lydia Helenaen
dc.identifier.citationXi, L., Chiam, S. Y., Mak, W. F., Tran, P. D., Barber, J., & Loo, S. C. J., et al. (2013). A novel strategy for surface treatment on hematite photoanode for efficient water oxidation. Chemical science, 4(1), 164-169.en
dc.description.abstractIn this paper, we report a novel strategy for surface treatment of hematite nanorods for efficient photo-driven water oxidation. This is the first report describing the growth of Sn treated hematite from α-FeOOH nanorod arrays in one step without substantially altering morphologies. With this treatment the photocurrent density increased from 1.24 for pristine hematite nanorods to 2.25 mA cm−2 at 1.23 V vs. RHE (i.e. 81% improvement). The increase in photocurrent density was also accompanied by improved incident-photon-to-current efficiencies and oxygen evolution. The photocurrent improvement is mainly attributed to a reduced electron–hole recombination at the hematite–electrolyte interface through the formation of FexSn1−xO4 layer at the hematite nanorod surface as shown by XPS, HRTEM, EDAX line scan analyses and PEC measurements.en
dc.relation.ispartofseriesChemical scienceen
dc.titleA novel strategy for surface treatment on hematite photoanode for efficient water oxidationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
dc.contributor.researchResearch Techno Plazaen
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