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Article: Facile synthesis of [101]-oriented rutile TiO2 nanorod array on FTO substrate with a tunable anatase-rutile heterojunction for efficient solar water splitting

TitleFacile synthesis of [101]-oriented rutile TiO<inf>2</inf> nanorod array on FTO substrate with a tunable anatase-rutile heterojunction for efficient solar water splitting
Authors
KeywordsAnatase
Heterojunction
Photocatalyst
Rutile
Tip-Enhanced Raman Spectroscopy
Titanium dioxide
Water splitting
Issue Date2016
Citation
ACS Sustainable Chemistry and Engineering, 2016, v. 4, n. 11, p. 5963-5971 How to Cite?
AbstractGenerating a sustainable energy source through photoelectrochemical (PEC) water splitting requires a suitable photocatalyst. A [101]-oriented rutile TiO2 nanorod (NR) array in heterojunction with anatase on a fluorine-doped tin oxide (FTO) substrate is successfully prepared using a facile single-step hydrothermal process. The presence of anatase phase over the predominant rutile NRs' surface is confirmed by transmission electron microscopy and tip-enhanced Raman spectroscopy. Solar water-splitting performances of anatase-rutile heterojunction with low energy (101) and high energy (001) rutile facets are compared. The low energy (101) facet rutile-anatase heterojunction shows higher photoconversion efficiency of 1.39% at 0.49 VRHE than the high energy (001) facet rutile-anatase heterojunction (0.37% at 0.73 VRHE). The mechanism for enhanced photocatalytic activity of the low energy (101) facet rutile-anatase heterojunction has been proposed. The role of NaCl in tuning the anatase portion, morphology, and PEC water-splitting performance has also been studied.
Persistent Identifierhttp://hdl.handle.net/10722/334451
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorSutiono, Hogiartha-
dc.contributor.authorTripathi, Alok M.-
dc.contributor.authorChen, Hung Ming-
dc.contributor.authorChen, Ching Hsiang-
dc.contributor.authorSu, Wei Nien-
dc.contributor.authorChen, Liang Yih-
dc.contributor.authorDai, Hongjie-
dc.contributor.authorHwang, Bing Joe-
dc.date.accessioned2023-10-20T06:48:14Z-
dc.date.available2023-10-20T06:48:14Z-
dc.date.issued2016-
dc.identifier.citationACS Sustainable Chemistry and Engineering, 2016, v. 4, n. 11, p. 5963-5971-
dc.identifier.urihttp://hdl.handle.net/10722/334451-
dc.description.abstractGenerating a sustainable energy source through photoelectrochemical (PEC) water splitting requires a suitable photocatalyst. A [101]-oriented rutile TiO2 nanorod (NR) array in heterojunction with anatase on a fluorine-doped tin oxide (FTO) substrate is successfully prepared using a facile single-step hydrothermal process. The presence of anatase phase over the predominant rutile NRs' surface is confirmed by transmission electron microscopy and tip-enhanced Raman spectroscopy. Solar water-splitting performances of anatase-rutile heterojunction with low energy (101) and high energy (001) rutile facets are compared. The low energy (101) facet rutile-anatase heterojunction shows higher photoconversion efficiency of 1.39% at 0.49 VRHE than the high energy (001) facet rutile-anatase heterojunction (0.37% at 0.73 VRHE). The mechanism for enhanced photocatalytic activity of the low energy (101) facet rutile-anatase heterojunction has been proposed. The role of NaCl in tuning the anatase portion, morphology, and PEC water-splitting performance has also been studied.-
dc.languageeng-
dc.relation.ispartofACS Sustainable Chemistry and Engineering-
dc.subjectAnatase-
dc.subjectHeterojunction-
dc.subjectPhotocatalyst-
dc.subjectRutile-
dc.subjectTip-Enhanced Raman Spectroscopy-
dc.subjectTitanium dioxide-
dc.subjectWater splitting-
dc.titleFacile synthesis of [101]-oriented rutile TiO<inf>2</inf> nanorod array on FTO substrate with a tunable anatase-rutile heterojunction for efficient solar water splitting-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acssuschemeng.6b01066-
dc.identifier.scopuseid_2-s2.0-84994504747-
dc.identifier.volume4-
dc.identifier.issue11-
dc.identifier.spage5963-
dc.identifier.epage5971-
dc.identifier.eissn2168-0485-
dc.identifier.isiWOS:000387428700019-

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