By a News Reporter-Staff News Editor at Science Letter -- Fresh data on Photocatalytics are presented in a new report. According to news reporting out of Hefei, People's Republic of China, by NewsRx editors, research stated, "Using TiCl4 as the titanium source, urea as the precipitating agent, nano-TiO2/fly ash beads composite materials were prepared by hydrolysis-precipitation method. Using (NH2)(2)CO and (NH2)(2)SC as the N and S source respectively, N and S co-doped TiO2/fly ash beads composite materials were prepared by grinding them together according to a certain proportion and calcined at 500 degrees C for 2 h. The composite materials were characterized by SEM, EDS, XPS, and UV-vis spectrophotometer methods."
Our news journalists obtained a quote from the research from the Hefei University of Technology, "The UV-vis absorption spectra results show that the absorption edge of un-doped composites is 390 nm while that of doped composites red-shifts to 500 nm. The photocatalytic activity of composite materials was evaluated by degradation of methyl orange under visible light irradiation (halogen lamp, 250 W). The results showed that after irradiation for 1 h, degradation rate of N, S co-doped-TiO2/fly ash beads composite material can reach 65%, while the degradation rate of un-doped sample and P25 were just 10% and 6%, respectively."
According to the news editors, the research concluded: "The composite material also showed excellent recycling properties."
For more information on this research see: N, S co-doped-TiO2/fly ash beads composite material and visible light photocatalytic activity. Applied Surface Science, 2013;284():229-234. Applied Surface Science can be contacted at: Elsevier Science Bv, PO Box 211, 1000 Ae Amsterdam, Netherlands. (Elsevier - www.elsevier.com; Applied Surface Science - www.elsevier.com/wps/product/cws_home/505669)
Our news journalists report that additional information may be obtained by contacting J. Lv, Hefei Univ Technol, Sch Mat Sci & Engn, Lab Funct Nanomat & Devices, Hefei 230009, People's Republic of China. Additional authors for this research include T. Sheng, L.L. Su, G.Q. Xu, D.M. Wang, Z.X. Zheng and Y.C. Wu (see also Photocatalytics).
Keywords for this news article include: Asia, Hefei, Photocatalyst, Nanotechnology, Emerging Technologies, People's Republic of China
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