Ti3+-defected and V-doped TiO2 quantum dots loaded on MCM-41

被引：65
作者：
Pan, Lun [1 ]
Wang, Songbo [1 ]
Zou, Ji-Jun [1 ]
Huang, Zhen-Feng [1 ]
Wang, Li [1 ]
Zhang, Xiangwen [1 ]
机构：
[1] Tianjin Univ, Sch Chem Engn & Technol, Minist Educ, Key Lab Green Chem Technol, Tianjin 300072, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2014年 / 50卷 / 08期
基金：
中国国家自然科学基金;
关键词：
VISIBLE-LIGHT; PHOTOCATALYTIC ACTIVITY; PARTICLE-SIZE; TITANIA; WATER; SURFACE; FACETS; PHOTOREACTIVITY; PHOTOOXIDATION; QUADRICYCLANE;
D O I：
10.1039/c3cc47752e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
V-doped TiO2 quantum dots (QDs) possessing many Ti3+ defects were fabricated by simple hydrolysis using MCM-41 as a support. The QDs show high charge-separation efficiency and high photocatalytic activity due to the quantum size effect and the newly formed defect- and dopant-mediated band levels.
引用
收藏
页码：988 / 990
页数：3
相关论文
共 37 条
  • [1] Role of synthesis method and particle size of nanostructured TiO2 on its photoactivity
    Almquist, CB
    Biswas, P
    [J]. JOURNAL OF CATALYSIS, 2002, 212 (02) : 145 - 156
  • [2] Towards a definition of inorganic nanoparticles from an environmental, health and safety perspective
    Auffan, Melanie
    Rose, Jerome
    Bottero, Jean-Yves
    Lowry, Gregory V.
    Jolivet, Jean-Pierre
    Wiesner, Mark R.
    [J]. NATURE NANOTECHNOLOGY, 2009, 4 (10) : 634 - 641
  • [3] Effect of Vanadia Doping and Its Oxidation State on the Photocatalytic Activity of TiO2 for Gas-Phase Oxidation of Ethene
    Bhattacharyya, K.
    Varma, S.
    Tripathi, A. K.
    Bharadwaj, S. R.
    Tyagi, A. K.
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2008, 112 (48) : 19102 - 19112
  • [4] Gas-Phase Photooxidation of Alkenes by V-Doped TiO2-MCM-41: Mechanistic Insights of Ethylene Photooxidation and Understanding the Structure-Activity Correlation
    Bhattacharyya, Kaustava
    Varma, Salil
    Tripathi, Arvind Kumar
    Vinu, Ajayan
    Tyagi, Avesh Kumar
    [J]. CHEMISTRY-A EUROPEAN JOURNAL, 2011, 17 (44) : 12310 - 12325
  • [5] Synthesis and photocatalytic activity of nano V-doped TiO2 particles in MCM-41 under UV-visible irradiation
    Bhattacharyya, Kaustava
    Varma, Salil
    Tripathi, Arvind K.
    Tyagi, Avesh K.
    [J]. JOURNAL OF MATERIALS RESEARCH, 2010, 25 (01) : 125 - 133
  • [6] Titanium Dioxide Photocatalysis in Atmospheric Chemistry
    Chen, Haihan
    Nanayakkara, Charith E.
    Grassian, Vicki H.
    [J]. CHEMICAL REVIEWS, 2012, 112 (11) : 5919 - 5948
  • [7] Titanium dioxide nanomaterials: Synthesis, properties, modifications, and applications
    Chen, Xiaobo
    Mao, Samuel S.
    [J]. CHEMICAL REVIEWS, 2007, 107 (07) : 2891 - 2959
  • [8] THE ROLE OF METAL-ION DOPANTS IN QUANTUM-SIZED TIO2 - CORRELATION BETWEEN PHOTOREACTIVITY AND CHARGE-CARRIER RECOMBINATION DYNAMICS
    CHOI, WY
    TERMIN, A
    HOFFMANN, MR
    [J]. JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (51) : 13669 - 13679
  • [9] Distribution of Ti3+ Surface Sites in Reduced TiO2
    Deskins, N. Aaron
    Rousseau, Roger
    Dupuis, Michel
    [J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2011, 115 (15) : 7562 - 7572
  • [10] Nonaqueous Synthesis of TiO2 Nanocrystals Using TiF4 to Engineer Morphology, Oxygen Vacancy Concentration, and Photocatalytic Activity
    Gordon, Thomas R.
    Cargnello, Matteo
    Paik, Taejong
    Mangolini, Filippo
    Weber, Ralph T.
    Fornasiero, Paolo
    Murray, Christopher B.
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2012, 134 (15) : 6751 - 6761
1234