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mlzalft木虫 (职业作家)
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题目： Preparation and photocatalytic activity of nano-TiO2 codoped with fluorine and ferric 作者： LI Fa-tang等 期刊 Transactions of Nonferrous Metals Society of China，2007，S1期 谢谢！ |
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★ ★ ★ ★
mlzalft(金币+4,VIP+0):非常感谢!
mlzalft(金币+4,VIP+0):非常感谢!
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SCI收了 Preparation and photocatalytic activity of nano-TiO2 codoped with fluorine and ferric Peking Univ Xiamen Univ more options Author(s): Li FT (Li Fa-tang), Liu RH (Liu Rui-hong), Zhao DS (Zhao Di-shun), Sun ZM (Sun Zhi-min), Qu ZM (Qu Zhi-min) Source: TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA Volume: 17 Special Issue: Part B Sp. Iss. 1 Pages: S713-S715 Part: Part B Sp. Iss. 1 Published: 2007 Times Cited: 0 References: 13 Abstract: Nano-F-/Fe3+/TiO2 particles were prepared by hydrolysis of tetrabutyl titanate in a mixed CF3COOH-Fe(NO3)(3)-H2O solution. The photocatalytic decomposition of methylene blue in aqueous solution was used as a probe to evaluate their photocatalytic activities. The powders were characterized by X-ray diffraction (XRD), energy dispersion X-ray spectrum (EDS) and Brunauer-Emmett-Teller (BET) surface area analysis. The results show that F and Fe3+ are doped into TiO2. The F and Fe3+ doping can help to enhance the nano-TiO2 photocatalytic activity greatly. The appropriate codoping conditions for F-Fe are n(F)/n(TiO2)=2%, n(Fe)/n(TiO2)=0.05%, and the degradation rate of methylene blue at I h is improved from 73.2% to 87.5%. The codoped nano-F-/Fe3+/TiO2 particles have higher BET specific surface area, smaller crystallite size and higher photocatalytic activity than those of undoped TiO2 particles. Document Type: Article Language: English Author Keywords: nano-TiO2; F/Fe3+/TiO2; codoping; photocatalytic activity KeyWords Plus: TIO2 POWDERS; METHANOL Addresses: Li, FT (reprint author), Hebei Univ Sci & Techmol, Coll Sci, Shijiazhuang 050018, Peoples R China Hebei Univ Sci & Techmol, Coll Sci, Shijiazhuang 050018, Peoples R China Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, Shijiazhuang 050018, Peoples R China Hebei Engn Univ, Sch Civil Engn, Handan 056038, Peoples R China E-mail Addresses: lifatang@126.com Publisher: ALLERTON PRESS INC, 18 WEST 27TH ST, NEW YORK, NY 10001 USA IDS Number: 242PJ ISSN: 1003-6326 |
2楼2008-02-14 13:19:45
glassman782
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3楼2008-02-14 14:04:39