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以钛酸四丁酯、酚醛树脂、无水乙醇、冰醋酸、盐酸胍和P123为原料制备氮掺杂TiO2,采用XRD、SEM、TEM、XPS、N2吸附-脱附和UV-Vis等手段对其进行了表征.以对氨基苯磺酸为模型污染物,研究了氮源加入量对氮掺杂氧化钛光催化性能的影响.结果表明,所制备的样品为锐钛矿型TiO2,一次粒径约为13.7 nm,二次粒径约为100nm,颗粒间有堆积的介孔;氮的掺杂使TiO2在可见光区具有显著的吸收.随着N源加入量的提高,在可见光区的吸收增强,光催化效果也随之增强.

参考文献

[1] Akira Fujishima,Kenichi Honda,Electrochemical Photolysis of Water at a Semiconductor Electrode,Nature,238(5358),37(1972)
[2] S.N.Frank,A.J.Bard,Heterogeneous photocatalytic oxidation of cyanide and sulfite in aqueous-solutions at semiconductor powders.Journal of Physical Chemistry,81(15),1484(1977)
[3] S.N.Frank,A.J.Bard,Heterogeneous photocatalytic oxidation of cyanide ion in aqueous solutions at titanium dioxide powder,Journal of the American Chemical Society,99(1),303(1977)
[4] Michael Hoffmann R.,Scot T.Martin,Wonyong Choi,Detlef W.Bahnemann,Environmental applications of semiconductor photocatalysis,Chemical Reviews,95(1),69(1995)
[5] Tsuyoshi Ochiai,Akira Fujishima,Photoelectrochemical properties of TiO2 photocatalyst and its applications for environmental purification.Journal of Photochemistry and Photobiology C:Photochemistry Reviews,13(4),247(2012)
[6] Kazuya Nakata,Akira Fujishima,TiO2 photocatalysis:Design and applications.Journal of Photochemistry and Photobiology C:Photochemistry Reviews,13(3),169(2012)
[7] Xiaobo Chen,Samuel S.Mao,Titanium dioxide nanomaterials:Synthesis,properties,modifications,and applications,Chemical Reviews,107(7),2891(2007)
[8] W.Y.Choi,A.Termin,M.R.Hoffmann,The role of metal-ion dopants in quantum-sized TiO2-correlation between photoreactivity and charge-carrier recombination dynamics,Journal of Physical Chemistry,98(51),13669(1994)
[9] M.Anpo,M.Takeuchi,K.Ikeue,S.Dohshi,Design and development of titanium oxide photocatalysts operating under visible and UV light irradiation,The applications of metal ion-implantation techniques to semiconducting TiO2 and Ti/zeolite catalysts.Current Opinion in Solid State & Materials Science,6(5),381(2002)
[10] C.Liu,N.Z.Bao,Z.H.Yang,X.H.Lu,Photocatalytic performance of TiO2 modified by doped transition metal ions.Chinese Journal of Catalysis,22(2),215(2001)
[11] TANG Yuchao,HUANG Xianhuai,YU Hanqing,HU Chun,Nonmetal element doping mechanisms of titanium xxide photocatalyst,Progress in Chemistry,19(2/3),225(2007)(唐玉朝,黄显怀,俞汉青,胡春,非金属掺杂改性TiO2光催化剂的机理.化学进展,(Z1),225(2007))
[12] J.L.Zhang,Y.M.Wu,M.Y.Xing,S.A.K.Leghari,S.Sajjad,Development of modified N doped TiO2 photocatalyst with metals,nonmetals and metal oxides.Energy & Environmental Science,3(6),715(2010)
[13] R.Asahi,T.Morikawa,T.Ohwaki,K.Aoki,Y.Taga,Visible-light photocatalysis in nitrogen-doped titanium oxides,Science,293(5528),269(2001)
[14] S.Yin,H.Yamaki,M.Komatsu,Q.W.Zhang,J.S.Wang,Q.Tang,T.Sato,Preparation of nitrogen-doped titania with high visible light induced photocatalytic activity by mechanochemical reaction of titania and hexamethylenctetramine.Journal of Materials Chemistry,13(12),2996(2003)
[15] H.Irie,Y.Watanabe,K.Hashimoto,Nitrogen-concentration dependence on photocatalytic activity of TiO2-xNx powders,Journal of Physical Chemistry B,107(23),5483(2003)
[16] H.L.Qin,G.B.Gu,S.Liu,Preparation of nitrogen-doped titania and its photocatalytic activity,Rare Metals,26(3),254(2007)
[17] LI Yanhong,CAO Wenbin,WEI Yi,RAN Fanyong,ZHANG Xiaoning,Preparation of nitrogen-doped nano-TiO2 powders,Journal of Inorganic Materials,21(5),1067(2006)(李艳红,曹文斌,韦祎,冉凡勇,张小宁,氮掺杂纳米TiO2粉体的制备研究,无机材料学报,21(5),1067(2006))
[18] B.F.Dzhurinskii,D.Gati,N.P.Sergushin,V.I.Nefedov,YA.V.Salyn,Simple and coordination compounds.An X-ray photoelectron spectroscopic study of certain oxides,Russian Journal of Inorganic Chemistry,20,2307(1975)
[19] G.Hopfeng(a)rtner,D.Borgmann,I.Rademacher,G.Wedler,E.Hums,G.W.Spitznagel,XPS studies ofoxidic model catalysts:Internal standards and oxidation numbers,Journal of Electron Spectroscopy and Related Phenomena,63(2),91 (1993)
[20] X.Chen,Y.B.Lou,A.C.S.Samia,C.Burda,J.L.Gole,Formation of oxynitride as the photocatalytic enhancing site in nitrogendoped titania nanocatalysts:comparison to a commercial nanopowder,Advanced Functional Materials,15(1),41(2005)
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