Innovative three-dimensional (3D) eco-TiO2 photocatalysts for practical environmental and bio-medical applications

Cited 31 time in scopus
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dc.contributor.authorH U Lee-
dc.contributor.authorS C Lee-
dc.contributor.authorY C Lee-
dc.contributor.authorB Son-
dc.contributor.authorS Y Park-
dc.contributor.authorJ W Lee-
dc.contributor.authorY K Oh-
dc.contributor.authorY Kim-
dc.contributor.authorSaeHae Choi-
dc.contributor.authorY S Lee-
dc.contributor.authorJ Lee-
dc.date.accessioned2017-04-19T09:57:16Z-
dc.date.available2017-04-19T09:57:16Z-
dc.date.issued2014-
dc.identifier.issn2045-2322-
dc.identifier.uri10.1038/srep06740ko
dc.identifier.urihttps://oak.kribb.re.kr/handle/201005/12226-
dc.description.abstractIt is known that water purified by conventional TiO2 photocatalysts may not be safe enough for drinking, due to the toxicity by tiny existence of TiO2 nanoparticles after water treatment. We herein demonstrate a facile design of a three-dimensional (3D) TiO2 photocatalyst structure with which both the efficiency of purification and the safety level of the final purified water can be improved and ensured, respectively. The structure, consisting of 3D sulfur-doped TiO2 microtubes in nanotubes (eco-TiO2), is suitable for both environmental and bio-medical applications. Investigation of its formation mechanism reveals that anodic aluminum oxide (AAO), owing to a spatial constraint, causes a simple, nanoparticles-to-nanotubes structural rearrangement as a template for nanotube growth. It is found that eco-TiO2 can be activated under visible-light irradiation by non-metal (sulfur; S) doping, after which it shows visible-light photocatalytic activities over a range of solar energy. Importantly, an in vitro cytotoxicity test of well-purified water by eco-TiO2 confirms that eco-TiO2 satisfies the key human safety conditions.-
dc.publisherSpringer-Nature Pub Group-
dc.titleInnovative three-dimensional (3D) eco-TiO2 photocatalysts for practical environmental and bio-medical applications-
dc.title.alternativeInnovative three-dimensional (3D) eco-TiO2 photocatalysts for practical environmental and bio-medical applications-
dc.typeArticle-
dc.citation.titleScientific Reports-
dc.citation.number0-
dc.citation.endPage6740-
dc.citation.startPage6740-
dc.citation.volume4-
dc.contributor.affiliatedAuthorSaeHae Choi-
dc.contributor.alternativeName이현욱-
dc.contributor.alternativeName이순창-
dc.contributor.alternativeName이영철-
dc.contributor.alternativeName손병철-
dc.contributor.alternativeName박소영-
dc.contributor.alternativeName이재원-
dc.contributor.alternativeName오유관-
dc.contributor.alternativeName김유석-
dc.contributor.alternativeName최새해-
dc.contributor.alternativeName이영식-
dc.contributor.alternativeName이조한-
dc.identifier.bibliographicCitationScientific Reports, vol. 4, pp. 6740-6740-
dc.identifier.doi10.1038/srep06740-
dc.description.journalClassY-
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