Photocatalytic activity of nitrogen-modified TiO2/SiO2

被引:4
|
作者
Isaev, A. B. [1 ]
Gasanova, F. G. [1 ]
Shabanov, N. S. [1 ]
Giraev, K. M. [1 ]
机构
[1] Dagestan State Univ, Makhachkala, Russia
关键词
photocatalytic activity; nitrogen-modified TiO2/SiO2; methyl orange; Langmuir-Hinshelwood model; VISIBLE-LIGHT PHOTOCATALYST; TITANIUM-DIOXIDE; DOPED TIO2; NANOPARTICLES; DEGRADATION; IRRADIATION; PERFORMANCE; DEPOSITION; OXIDATION; CATALYST;
D O I
10.1134/S003602441410015X
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The physicochemical characteristics of nitrogen-modified TiO2/SiO2 and its photocatalytic activity in the oxidation of methyl orange (MO) were studied. Nitrogen-modified TiO2/SiO2 had higher activity than the unmodified samples. The photocatalytic oxidation of MO obeys the Langmuir-Hinshelwood model.
引用
收藏
页码:1798 / 1801
页数:4
相关论文
共 50 条
  • [21] Effects of SiO2 addition on TiO2 crystal structure and photocatalytic activity
    Tobaldi, David Maria
    Tucci, Antonella
    Skapin, Andrijana Sever
    Esposito, Leonardo
    JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 2010, 30 (12) : 2481 - 2490
  • [22] Synthesis of iron(Ⅲ)-doped nanostructure TiO2/SiO2 and their photocatalytic activity
    CHEN Rufen1
    RareMetals, 2007, (06) : 565 - 571
  • [23] Enhanced photocatalytic activity of supported TiO2:: dispersing effect of SiO2
    Xu, YM
    Zheng, W
    Liu, WP
    JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, 1999, 122 (01) : 57 - 60
  • [24] Nickel doping effect on the photocatalytic activity of TiO2/SiO2 nanocomposite
    Khodadadi, B.
    BULGARIAN CHEMICAL COMMUNICATIONS, 2016, 48 (02): : 238 - 243
  • [25] Preparation and Photocatalytic Activity of Laden SiO2/TiO2 Composite Photocatalyst
    Yan, Ai
    Huang, Wenyan
    Lv, Yuancai
    Liu, Minghua
    GREEN POWER, MATERIALS AND MANUFACTURING TECHNOLOGY AND APPLICATIONS, PTS 1 AND 2, 2011, 84-85 : 504 - 508
  • [26] Microemulsion synthesis of nanosized SiO2/TiO2 particles and their photocatalytic activity
    Pu Yuying
    Fang Jianzhang
    Peng Feng
    Li Baojian
    Huang Lei
    CHINESE JOURNAL OF CATALYSIS, 2007, 28 (03) : 251 - 256
  • [27] Hierarchically porous TiO2/ SiO2 fibers with enhanced photocatalytic activity
    Hou, Huilin
    Wang, Lin
    Gao, Fengmei
    Wei, Guodong
    Zheng, Jinju
    Tang, Bin
    Yang, Weiyou
    RSC ADVANCES, 2014, 4 (38): : 19939 - 19944
  • [28] Preparation and photocatalytic activity of Cu2+-doped TiO2/SiO2
    Chen, Ru-fen
    Zhang, Cui-xuan
    Deng, Juan
    Song, Guo-qiang
    INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS, 2009, 16 (02) : 220 - 225
  • [30] Direct Solvothermal Formation of Nanocrystalline TiO2 on Porous SiO2 Adsorbent and Photocatalytic Removal of Nitrogen Oxides in Air over TiO2–SiO2 Composites
    Hiroshi Kominami
    Kimiyo Yukishita
    Takashi Kimura
    Moeko Matsubara
    Keiji Hashimoto
    Yoshiya Kera
    Bunsho Ohtani
    Topics in Catalysis, 2008, 47 : 155 - 161