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dc.contributor.author Kwon, Soon Jin -
dc.contributor.author Im, Hyo Been -
dc.contributor.author Nam, Jung Eun -
dc.contributor.author Kang, Jin Kyu -
dc.contributor.author Hwang, Taek Sung -
dc.contributor.author Yi, Kwang Bok -
dc.date.accessioned 2018-01-25T01:11:35Z -
dc.date.available 2018-01-25T01:11:35Z -
dc.date.created 2017-04-10 -
dc.date.issued 2014-11-30 -
dc.identifier.issn 0169-4332 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/5237 -
dc.description.abstract Rutile-anatase TiO2 nanobranched arrays were prepared in two sequential hydrothermal-synthesis steps. The morphologies and crystalline nanostructures of the samples were investigated by controlling growth time and the concentration of the titanium precursor. All samples were characterized by field-emission scanning electron microscopy and X-ray diffraction analysis. It was found that treating the surfaces of rutile TiO2 nanorods with aqueous TiCl4 solutions allows the anatase TiO2 nanobranches to grow perpendicular to the main rutile TiO2 nanorods attached to the FTO glass. Irregularly shaped, dense TiO2 structures formed in the absence of TiCl4 treatment. A light-to-electricity conversion efficiency of 3.45% was achieved using 2.3 μm tall TiO2 nanobranched arrays in a dye-sensitized solar cell. This value is significantly higher than that observed for pure rutile TiO2 nanorods. © 2014 Elsevier B.V. All rights reserved. -
dc.publisher Elsevier B.V. -
dc.title Hydrothermal synthesis of rutile-anatase TiO2 nanobranched arrays for efficient dye-sensitized solar cells -
dc.type Article -
dc.identifier.doi 10.1016/j.apsusc.2014.09.110 -
dc.identifier.scopusid 2-s2.0-84919395970 -
dc.identifier.bibliographicCitation Applied Surface Science, v.320, pp.487 - 493 -
dc.subject.keywordAuthor Rutile-anatase TiO2 nanobranched arrays -
dc.subject.keywordAuthor Hydrothermal synthesis -
dc.subject.keywordAuthor TiCl4 treatment -
dc.subject.keywordAuthor Dye sensitized solar cells -
dc.subject.keywordPlus HIGH SURFACE-AREAS -
dc.subject.keywordPlus NANOWIRE ARRAYS -
dc.subject.keywordPlus PHOTOCATALYTIC ACTIVITY -
dc.subject.keywordPlus ELECTRON-TRANSFER -
dc.subject.keywordPlus TITANIUM-DIOXIDE -
dc.subject.keywordPlus NANOTUBE ARRAYS -
dc.subject.keywordPlus PERFORMANCE -
dc.subject.keywordPlus NANORODS -
dc.subject.keywordPlus FABRICATION -
dc.subject.keywordPlus TRANSPORT -
dc.citation.endPage 493 -
dc.citation.startPage 487 -
dc.citation.title Applied Surface Science -
dc.citation.volume 320 -
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