Atmospheric-pressure cold plasma for fabrication of anatase–rutile mixed TiO2 with the assistance of ionic liquid
作者： Xiuling Zhang , Lijuan Zhang , Yanchun Li , Lanbo Di
DOI: 10.1016/J.CATTOD.2015.04.033
关键词:
摘要: Abstract An atmospheric-pressure dielectric barrier discharge (DBD) gas–liquid cold plasma was employed to synthesize TiO 2 nanoparticles in an aqueous solution, with the assistance of nine imidazolium-based ionic liquids and using air as working gas. X-ray diffraction, N adsorption–desorption measurements, transmission electron microscopy were used characterize samples. The results showed that samples prepared by DBD anatase–rutile mixed mesoporous structures. effects cations, anions, amount on structure investigated, corresponding mechanism actions analyzed. photocatalytic activity photocatalysts evaluated photodegradation methylene blue. 0.2 ml 1-ethyl-3-methylimidazolium tetrafluoroborate Ti precursor solution exhibited highest activity. Atmospheric-pressure found be a fast, simple, environmentally friendly method for fabricating mixed-phase .
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