Synthesis and photocatalytic activity of sulfate modified Nd-doped TiO2 under visible light irradiation

被引：20
作者：
Sun Dongfeng [1 ]
Wang Kai [2 ]
Xu Zhijian [2 ]
Li Ruixing [1 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Key Lab Aerosp Mat & Performance, Minist Educ, Beijing 100191, Peoples R China
[2] Dalian Univ, Coll Phys Sci & Technol, Dalian 116622, Peoples R China
来源：
JOURNAL OF RARE EARTHS | 2015年 / 33卷 / 05期
基金：
中国国家自然科学基金;
关键词：
TiO2; solid superacid; photocatalyst; visible light; methylene blue; rare earths; RARE-EARTH-ELEMENTS; DIPYRIDOPHENAZINE DERIVATIVES; TITANIA; DEGRADATION; QUINOXALINE; TEMPERATURE; TRANSITION; PHASE; CE;
D O I：
10.1016/S1002-0721(14)60446-4
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Nd-doped TiO2 (NT) photocatalysts with different contents of Nd were synthesized by sol-gel method. Then sulfated Nd-doped TiO2 (SNT) solid superacid photocatalysts were prepared by an incipient wetness impregnation technique. The photocatalytic activity of catalysts was evaluated by the photodegradation of methylene blue under visible light irradiation. Analytical results demonstrated that Nd doping inhibited the growth of TiO2 crystallite and enhanced the thermal stability of anatase TiO2. Meanwhile, sulfate ions modification increased the specific surface area of samples. In addition, the optical absorption edges of SNT photocatalysts shifted to longer wavelength compared with the undoped TiO2. Such SNT with Nd dosage of 0.25 at.% exhibited the highest photocatalytic activity in the degradation of methylene blue upon irradiation with visible light.
引用
收藏
页码：491 / 497
页数：7
相关论文
共 50 条
  • [31] Bi-Y doped and co-doped TiO2 nanoparticles: Characterization and photocatalytic activity under visible light irradiation
    Hamdi, A.
    Ferraria, A. M.
    Botelho do Rego, A. M.
    Ferreira, D. P.
    Conceicao, D. S.
    Vieira Ferreira, L. F.
    Bouattour, S.
    [J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2013, 380 : 34 - 42
  • [32] Simple preparation of Mn-N-codoped TiO2 photocatalyst and the enhanced photocatalytic activity under visible light irradiation
    Quan, Feng
    Hu, Yun
    Zhang, Xia
    Wei, Chaohai
    [J]. APPLIED SURFACE SCIENCE, 2014, 320 : 120 - 127
  • [33] Photocatalytic Properties of Amorphous N-Doped TiO2 Photocatalyst under Visible Light Irradiation
    Chung, Kyong-Hwan
    Kim, Byung-Joo
    Park, Young-Kwon
    Kim, Sang-Chai
    Jung, Sang-Chul
    [J]. CATALYSTS, 2021, 11 (08)
  • [34] Synthesis of organically hybridized TiO2 photocatalyst and its photocatalytic activity under visible light irradiation
    Jiang Dong
    Xu Yao
    Hou Bo
    Wu Dong
    Sun Yu-Han
    [J]. ACTA CHIMICA SINICA, 2007, 65 (14) : 1289 - 1293
  • [35] Synthesis of nitrosobenzene via photocatalytic oxidation of aniline over MgO/TiO2 under visible light irradiation
    Chen, Jinsong
    Xiong, Jinhua
    Song, Yujie
    Yu, Yan
    Wu, Ling
    [J]. APPLIED SURFACE SCIENCE, 2018, 440 : 1269 - 1276
  • [36] Preparation and characterization of N-I co-doped nanocrystal anatase TiO2 with enhanced photocatalytic activity under visible-light irradiation
    Zhou, Liang
    Deng, Jian
    Zhao, Yubao
    Liu, Wanbing
    An, Lin
    Chen, Fei
    [J]. MATERIALS CHEMISTRY AND PHYSICS, 2009, 117 (2-3) : 522 - 527
  • [37] Functionalization of Ceramic Tiles with N-doped TiO2 and Their Photocatalytic Function Under UV or Visible Light Irradiation
    Vaiano, Vincenzo
    Sarno, Giuseppe
    Ciambelli, Paolo
    Sannino, Diana
    [J]. JOURNAL OF ADVANCED OXIDATION TECHNOLOGIES, 2014, 17 (02) : 193 - 201
  • [38] Synthesis, characterization and photocatalytic activity of WO3/TiO2 for NO removal under UV and visible light irradiation
    Luevano-Hipolito, E.
    Martinez-de la Cruz, A.
    Lopez-Cuellar, E.
    Yu, Q. L.
    Brouwers, H. J. H.
    [J]. MATERIALS CHEMISTRY AND PHYSICS, 2014, 148 (1-2) : 208 - 213
  • [39] Novel (Ag,Y) doped TiO2 plasmonic photocatalyst with enhanced photocatalytic activity under visible light
    Kallel, Wannes
    Chaabene, Sirine
    Bouattour, Soraa
    [J]. PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING, 2019, 55 (03): : 745 - 759
  • [40] Synthesis and visible-light photocatalytic activity of Bi-doped TiO2 nanobelts
    Ji, Tianhao
    Yang, Fang
    Lv, Yuanyuan
    Zhou, Jiaoyan
    Sun, Jiayue
    [J]. MATERIALS LETTERS, 2009, 63 (23) : 2044 - 2046
12345