A New Approach toward Carbon-Modified Vanadium-Doped Titanium Dioxide Photocatalysts

被引：128
作者：
Liu, Haibei
Wu, Yongmei
Zhang, Jinlong [1 ]
机构：
[1] E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 05期
关键词：
TiO2; carbon modified; vanadium doped; photocatalytic activity; MODIFIED TIO2 PHOTOCATALYST; VISIBLE-LIGHT; LOW-TEMPERATURE; DEGRADATION; NITROGEN; NANOPARTICLES; PERFORMANCE; OXIDATION; WATER; DECOMPOSITION;
D O I：
10.1021/am200248q
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Carbon-modified vanadium-doped TiO2 was successfully prepared with the intention of enhancing the visible-light photocatalytic performance by expanding the absorption in the visible-light region and improving the quantum efficiency of the photocatalytic reaction. The physicochemical properties of the catalysts were characterized by XRD, Raman, TEM, XPS, UV-vis diffuse reflectance spectra. The result indicated that some vanadium ions substituted for Ti4+ in the lattice of TiO2, whereas all the carbon was modified on the surface of catalysts in the form of stable graphite-like carbonaceous species. Compared with vanadium doped TiO2 sample and carbon modified TiO2 sample, the 0.32C-0.5%V-TiO2 photocatalyst exhibited excellent visible light activity and the synergistic effects of vanadium and carbon was responsible for improving the photocatalytic activity.
引用
收藏
页码：1757 / 1764
页数：8
相关论文
共 45 条
  • [1] Intrinsic and extrinsic surface states of single crystalline SrTiO3
    Adachi, Y
    Kohiki, S
    Wagatsuma, K
    Oku, M
    [J]. JOURNAL OF APPLIED PHYSICS, 1998, 84 (04) : 2123 - 2126
  • [2] The design and development of highly reactive titanium oxide photocatalysts operating under visible light irradiation
    Anpo, M
    Takeuchi, M
    [J]. JOURNAL OF CATALYSIS, 2003, 216 (1-2) : 505 - 516
  • [3] Charge transport in Cr-doped titanium dioxide
    Bak, T.
    Nowotny, M. K.
    Sheppard, L. R.
    Nowotny, J.
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (18) : 7255 - 7262
  • [4] Preparation, characterization and visible-light activity of carbon modified TiO2 with two kinds of carbonaceous species
    Chen, Chao
    Long, Mingce
    Zeng, Hui
    Cai, Weimin
    Zhou, Baoxue
    Zhang, Jingyi
    Wu, Yahui
    Ding, Dawei
    Wu, Deyong
    [J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2009, 314 (1-2) : 35 - 41
  • [5] Photocatalytic performance of a visible light TiO2 photocatalyst prepared by a surface chemical modification process
    Chen, Feng
    Zou, Weiwei
    Qu, Wenwu
    Zhang, Jinlong
    [J]. CATALYSIS COMMUNICATIONS, 2009, 10 (11) : 1510 - 1513
  • [6] Cu-doped TiO2 systems with improved photocatalytic activity
    Colon, G.
    Maicu, M.
    Hidalgo, M. C.
    Navio, J. A.
    [J]. APPLIED CATALYSIS B-ENVIRONMENTAL, 2006, 67 (1-2) : 41 - 51
  • [7] Preparation, photocatalytic activity, and mechanism of Nano-TiO2 co-doped with nitrogen and iron (III)
    Cong, Ye
    Zhang, Jinlong
    Chen, Feng
    Anpo, Masakazu
    He, Dannong
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (28) : 10618 - 10623
  • [8] Synthesis and characterization of nitrogen-doped TiO2 nanophotocatalyst with high visible light activity
    Cong, Ye
    Zhang, Jinlong
    Chen, Feng
    Anpo, Masakazu
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (19) : 6976 - 6982
  • [9] ELECTROCHEMICAL PHOTOLYSIS OF WATER AT A SEMICONDUCTOR ELECTRODE
    FUJISHIMA, A
    HONDA, K
    [J]. NATURE, 1972, 238 (5358) : 37 - +
  • [10] Density functional characterization of C-doped anatase TiO2 with different oxidation state
    Gao, Hongtao
    Ding, Cuihong
    Dai, Dongmei
    [J]. JOURNAL OF MOLECULAR STRUCTURE-THEOCHEM, 2010, 944 (1-3): : 156 - 162
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