欢迎登录材料期刊网

材料期刊网

高级检索

通过静电纺丝和水热法联用成功制备了Znx Cd1-xS/TiO2核壳纳米纤维.利用XRD、SEM、UV-vis、EDS、BET对样品结构等进行了表征.结果表明,在TiO2纳米纤维表面生长了一层致密的Znx Cd1-xS纳米颗粒,形成ZnxCd1-xS/TiO核壳型异质复合材料,且其光催化活性均比纯TiO2纳米纤维高.通过调节水热温度,可以控制ZnxCd1-xS表面形貌和x值.当水热温度为200℃时,x值最大,材料光催化活性最高.

参考文献

[1] Lee JC;Kim TG;Choi HJ;Sung YM .Enhanced photochemical response of TiO2/CdSe heterostructured nanowires[J].Crystal growth & design,2007(12):2588-2593.
[2] ManeRS;RohSJ;JooOS et al.Improved performance of dense TiO2/CdSe coupled thin films by low temperature process[J].Electrochimica Acta,2005,50(12):2453.
[3] Sun YP.;Zhang X.;Yang B.;Shen JC.;Chi LF.;Fuchs H.;Hao E. .BUILDUP OF COMPOSITE FILMS CONTAINING TIO2/PBS NANOPARTICLES AND POLYELECTROLYTES BASED ON ELECTROSTATIC INTERACTION[J].Langmuir: The ACS Journal of Surfaces and Colloids,1997(19):5168-5174.
[4] Tong Ju;Rebekah L. Graham;Guangmei Zhai;Yvonne W. Rodriguez;Alison J. Breeze;Lily Yang;Glenn B. Alers;Sue A. Carter .High efficiency mesoporous titanium oxide PbS quantum dot solar cells at low temperature[J].Applied physics letters,2010(4):043106-1-043106-3.
[5] Su, C.;Shao, C.;Liu, Y. .Electrospun nanofibers of TiO_2/CdS heteroarchitectures with enhanced photocatalytic activity by visible light[J].Journal of Colloid and Interface Science,2011(1):220-227.
[6] He, D.;Chen, M.;Teng, F.;Li, G.;Shi, H.;Wang, J.;Xu, M.;Lu, T.;Ji, X.;Lv, Y.;Zhu, Y. .Enhanced cyclability of CdS/TiO _2 photocatalyst by stable interface structure[J].Superlattices and microstructures,2012(6):799-808.
[7] Jum Suk Jang;Wei Li;Se Hyuk Oh et al.Fabrication of CdS/TiO2 nano-bulk composite photocatalysts for hydrogen[J].Chemical Physics Letters,2006,425(4-6):278.
[8] Xiang, D.;Zhu, Y.;Cai, C.;He, Z.;Liu, Z.;Yin, D.;Luo, J. .A new simple synthesis of CdS nano-particles by composite-molten-salt method and their high photocatalytic degradation activity[J].Physica, E. Low-dimensional systems & nanostructures,2011(3):733-737.
[9] Zhang Nan;Zhang Yanhui;Pan Xiaoyang et al.Assembly of CdS nanoparticles on the two-dimensi onal graphene scaffold as visible-light-driven photocatalyst for selective organic transformation under ambient conditions[J].Journal of Physical Chemistry C,2011,115(47):23501.
[10] Fan Yuzun;Chen Guoping;Li Dongmei et al.Enhancement of photocatalytic H2 evolution on hexagonal CdS by a simple calcination method under visible light irradiation[J].Materials Research Bulletin,2011,46:2338.
[11] Manisha Sindal;Shobha Rastogi;Ajay Sharma .Use of cadmium sulphide as photocatalyst in solar desalination[J].Asian J Biochem Pharmaceut Res,2011,1(01):2231.
[12] Enhanced photocatalytic hydrogen evolution under visible light over Cd_(1-x)Zn_xS solid solution with cubic zinc blend phase[J].International journal of hydrogen energy,2010(1):19.
[13] Yarin AL.;Reneker DH.;Koombhongse S. .Bending instability in electrospinning of nanofibers[J].Journal of Applied Physics,2001(5):3018-3026.
[14] Yuanxiang Gu;Dairong Chen;Xiuling Jiao .LiCoO2-MgO coaxial fibers:co-electrospun fabrication,characterization and electrochemical properties[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2007(18):1769-1776.
[15] Y. M. Shin;M. M. Hohman;M. P. Brenner .Experimental characterization of electrospinning: the electrically forced jet and instabilities[J].Polymer: The International Journal for the Science and Technology of Polymers,2001(25):9955-9967.
[16] Song T;Zhang YZ;Zhou TJ;Lim CT;Ramakrishna S;Liu B .Encapsulation of self-assembled FePt magnetic nanoparticles in PCL nanofibers by coaxial electrospinning[J].Chemical Physics Letters,2005(4-6):317-322.
[17] Nuanxia Wang;Chenghua Sun;Yong Zhao .Fabrication of three-dimensional ZnO/TiO2 heteroarchitectures via a solution process[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2008(33):3909-3911.
[18] Wang, CH;Shao, CL;Zhang, XT;Liu, YC .SnO2 Nanostructures-TiO2 Nanofibers Heterostructures: Controlled Fabrication and High Photocatalytic Properties[J].Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics,2009(15):7261-7268.
[19] Liu, G.;Zhou, Z.;Guo, L. .Correlation between band structures and photocatalytic activities of Cd_xCu_yZn_(1-x-y)S solid solution[J].Chemical Physics Letters,2011(1/3):43-47.
[20] Shaohua Shen;Liang Zhao;Zhaohui Zhou .Enhanced Photocatalytic Hydrogen Evolution over Cu-Doped ZnIn2S4 under Visible Light Irradiation[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2008(41):16148-16155.
[21] Zhenyi Zhang;Changlu Shao;Xinghua Li .Electrospun Nanofibers of p-Type NiO/n-Type ZnO Heterojunctions with Enhanced Photocatalytic Activity[J].ACS applied materials & interfaces,2010(10):2915-2923.
[22] Domen K;Kudo A;Onishi T .Mechanism of photocatalytic decomposition of water into H2 and O2 over NiO SrTiO3[J].Journal of Catalysis,1986,102:92.
[23] 李跃军,曹铁平,王长华,邵长路.CeO2/TiO2复合纳米纤维的制备及光催化性能研究[J].化学学报,2011(21):2597-2602.
[24] Zhang Mingyi;Shao Changlu;Mu Jingbo et al.One-dimensional Bi2 MoO6/TiO2 hierarchical heterostructures with enhanced photocatalytic activity[J].Royal Society of Chemistry,2012,14(02):605.
[25] Turchi C S;Ollis D F .Photocatalytic degradation of organic water contaminants:Mechanisms involving hydroxyl radical attack[J].Journal of Catalysis,1990,122(01):178.
[26] Wu L;Yu J C;Fu X Z .Characterization and photocatalytic mechanism of nanosized CdS coupled TiO2 nanocrystals under visible light irradiation[J].Journal of Molecular Catalysis A:Chemical,2006,244(1-2):25.
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%