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dc.contributor.author진성민-
dc.contributor.author박은석-
dc.contributor.author김민수-
dc.contributor.author정종수-
dc.date.accessioned2015-12-02T15:25:02Z-
dc.date.available2015-12-02T15:25:02Z-
dc.date.issued201005-
dc.identifier.citationVOL 201, 171-176-
dc.identifier.issn0032-5910-
dc.identifier.other32269-
dc.identifier.urihttp://pubs.kist.re.kr/handle/201004/37382-
dc.description.abstractThe generation of TiO2 nanoparticles by the thermal decomposition of titanium tetraisopropoxide (TTIP) was carried out experimentally using a tubular electric furnace at various synthesis temperatures (700–1300 °C) and TTIP heating temperatures (80–110 °C). The photocatalytic activity of the resulting TiO2 nanoparticles was examined by measuring the rate of methylene blue decomposition. The TiO2 nanoparticles were characterized by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET) measurements and transmission electron microscopy (TEM). The crystallite size and crystallinity increased with increasing synthesis temperature and TTIP heating temperature. A TTIP heating temperature and synthesis temperature of 95 °C and 900 °C, respectively, were found to be the optimal synthesis conditions. The primary particle diameter obtained under optimum synthesis conditions was considerably smaller than the commercial photocatalyst (Degussa, P25). The specific surface areas were more than 134.4 ㎡ g−1. Under the optimal conditions, the photocatalytic activity for methylene blue was higher than that of the commercial photocatalyst.-
dc.publisherPowder technology-
dc.subjectTiO2 nanoparticle-
dc.subjectcatalyst-
dc.subjectTiO2-
dc.subjectthermal decomposition process-
dc.subjectAnatase-
dc.subjectPhotocatalysis-
dc.titlePhotocatalytic degradation of methylene blue with TiO2 nanoparticles prepared by a thermal decomposition process-
dc.typeArticle-
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