欢迎登录材料期刊网

材料期刊网

高级检索

核壳型磁载TiO2光催化剂是将TiO2沉积在磁性物质上所得到的核壳结构的复合粒子,可以在外加磁场作用下快速、高效地回收,是解决纳米颗粒TiO2分离回收难问题的一个有效途径.总结了近年来在磁载TiO2光催化剂的研究方面科研工作的进展,并提出了对其今后发展趋势的着法.对引入磁核后催化剂活性的变化及其诱因、在磁核与TiO2之间引入SiO2隔离层的作用以及热处理对体系产生的影响进行了较为详细的阐述,同时还介绍了以避免较高温度热处理为目标的低温制备工艺.

参考文献

[1] Rana S;Srivastava R S;Sorensson M M.Synthesis and characterization of nanoparticles with magnetic core and photocatalytic shell:Anatase TiO2-NiFe204 system[J].Materials Science and Engineering,2005(119):144.
[2] Sixto Malato;Julian Blanco;Alfonso Vidal;Diego Alarcon;Manuel I. Maldonado;Julia Caceres;Wolfgang Gernjak .Applied studies in solar photocatalytic detoxification: an overview[J].Solar Energy,2003(4):329-336.
[3] Carp O;Huisman C L;Reller A.Photoinduced reactivity of titanium dioxide[J].Progress in Solid State Chemistry,2004(32):33.
[4] 王见 .磁性复合光催化剂的制备及其光催化性能的研究[D].南京理工大学,2004.
[5] 黄河,蒋展鹏,杨宏伟,李睿华.溶胶-凝胶法制备磁载光催化剂[J].环境污染治理技术与设备,2004(01):65-68.
[6] 李新军,李芳柏,古国榜,王良焱,徐悦华,黄琮.磁性纳米光催化剂的制备及其光催化性能[J].中国有色金属学报,2001(06):971-976.
[7] Fu Wuyou;Yang Haibin;Li Minghua.Anatase TiO2 nanolayer coating on cobalt ferrite nanoparticles for magnet-ic photocatalyst[J].Materials Letters,2005(59):3530.
[8] Xu Mao wen;Bao Shujuan;Zhang Xiaogang.Enhanced photocatalytic activity of magnetic Tift photocatalyst by silver deposition[J].Materials Letters,2005(59):2194.
[9] Sarah S. Watson;Donia Beydoun;Jason A. Scott;Rose Amal .The effect of preparation method on the photoactivity of crystalline titanium dioxide particles[J].Chemical Engineering Journal,2003(1/3):213-220.
[10] Chung Yun Seup;Park Seung Bin;Kang Duk-Won.Magnetically separable titania-coated nickel ferrite photocatalyst[J].Mater Chem Phys,2004(86):375.
[11] Gao P.;Ching WH.;Herrmann M.;Chan CK.;Yue PL. .Photooxidation of a model pollutant in an oscillatory flow reactor with baffles[J].Chemical Engineering Science,2003(3/6):1013-1020.
[12] 包淑娟,张校刚,刘献明,于龙.TiO2/SiO2/Fe3O4的制备及其光催化性能[J].应用化学,2004(03):261-265.
[13] Fu Wuyou;Yang Haibin;Chang Lianxia et al.Anatase TiOz nanolayer coating on strontium ferrite nanoparticles for magnetic photocatalyst[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2006,289(1-3):47.
[14] Fu Wuyou;Yang Haibin;Li Minghua et al.Preparation and photocatalytic characteristics of core-shell structure TiO2/BaFe120i9 nanoparticles[J].Materials Letters,2006,60(21-22):2723.
[15] Watson S;Beydoun D;Amal R .Synthesis of a novel mag-netic photocatalyst by direct deposition of nanosized TiC2 crystals onto a magnetic core[J].Journal of Photochemistry and Photobiology A:Chemistry,2002,148:303.
[16] Chen Feng;Xie Yinde;Zhao Jincai.Photocatalyticdegradation of dyes on a magnetically separated photocatalyst under visible and UV irradiation[J].Chemosphere,2001(44):1159.
[17] Gao Y.;Chen BH.;Li HL.;Ma YX. .Preparation and characterization of a magnetically separated photocatalyst and its catalytic properties[J].Materials Chemistry and Physics,2003(1):348-355.
[18] Donia Beydoun;Rose Amal;Gary Low;Stephen McEvoy .Occurrence and prevention of photodissolution at the phase junction of magnetite and titanium dioxide[J].Journal of molecular catalysis, A. Chemical,2002(1/2):193-200.
[19] 尹晓红,辛峰,张凤宝,王世铭,张国亮.含磁性γ-Fe2O3核的TiO2/Al2O3催化剂的制备及光催化性能[J].精细化工,2006(01):58-61.
[20] 廖振华,陈建军,姚可夫,赵方辉,李荣先.磁性纳米TiO2/SiO2/Fe3O4光催化剂的制备及表征[J].无机材料学报,2004(04):749-754.
[21] Chen Fen;Zhao Jincai.Preparation and photocatalytic properties of a novel kind of loaded photocatalyst of TiO2/SiO2 /γ-Fe203[J].Catalys Lett,1999(58):245.
[22] Lee SeungWoo;JackDrwieg;David Mazyck et al.Synthesis and characterization of hard magnetic composite photocatalyst Barium ferrite/silica/titania[J].Materials Chemistry and Physics,2006,96(2-3):483.
[23] Donia Beydoun;Rose Amal.Implications of heat treatment on the properties of a magnetic iron oxide/titanium dioxide photocatalyst[J].Materials Science and Engineering,2002(94):71.
[24] Wu Nae Lih;Lee Min Shuei;Pon Zern Jin.Effect of calcination atmosphere on TiO2 photocatalysis in hydrogen production from methanol/water solution[J].Journal of Photochemistry and Photobiology A:Chemistry,2004(163):277.
[25] Donia Beydoun;Rose Amal;Gary Low.Role of nanoparticles in photocatalysis[J].Nanoparticle Res,1999(04):439.
[26] Donia Beydoun;Rose Amal;Gary K.-C. Low;Stephen McEvoy .Novel Photocatalyst: Titania-Coated Magnetite. Activity and Photodissolution[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2000(18):4387-4396.
[27] Martra G;Coluccia S;Marchese L.The role of H20 in the photocatalytic oxidation of toluene in vapour phase on anatase TiO2 catalyst A FTIR study[J].Catalysis Today,1999(53):695.
[28] Ma M.;Zhang Y.;Li XB.;Fu DG.;Zhang HQ.;Gu N. .Synthesis and characterization of titania-coated Mn-Zn ferrite nanoparticles[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2003(1/3):207-212.
[29] Rana S;Rawat J;Misra R D K.Anti-microbial active composite nanoparticles with magnetic core and photocatalytic shell:TiO2-NiFe204 biomaterial system[J].ACTA BIOMATERIALIA,2005(01):691.
[30] 吴自清,金名惠,邱于兵.TiO2/SiO2/Fe3O4的光催化性能及动力学[J].化工进展,2006(01):69-73.
[31] Jagdish Rawat;Subhasis Rana;Radhey Srivastava;R. Devesh K. Misra .Antimicrobial activity of composite nanoparticles consisting of titania photocatalytic shell and nickel ferrite magnetic core[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2007(3):540-545.
[32] 陈金媛,高鹏飞.磁性纳米TiO2/Fe3O4复合材料的制备及光催化降解性能[J].浙江工业大学学报,2005(01):78-82.
[33] 陈金媛,彭图治.磁性纳米TiO2/Fe3O4光催化复合材料的制备及性能[J].化学学报,2004(20):2093-2097.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%