Characterization and photocatalytic activity of TiO2 thin films prepared by sol-gel method for NOx degradation

被引：5
|
作者：
Szoldra, Paulina [1 ]
Frac, Maksymilian [1 ]
Adamczyk, Anna [1 ]
Kot, Marcin [1 ]
Pichor, Waldemar [1 ]
机构：
[1] AGH Univ Krakow, Mickiewicza 30, PL-30059 Krakow, Poland
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2024年 / 301卷
关键词：
TiO2 thin film; Sol-gel method; Dip-coating method; Photodegradation; NOx removal; OPTICAL-PROPERTIES; SURFACE-AREA; TEMPERATURE;
D O I：
10.1016/j.mseb.2024.117189
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Titanium dioxide (TiO2) thin film photocatalysts for the elimination of nitrogen oxides (NOx) were prepared by the dip-coating process using the sol-gel method. To prepare the sols, titanium (IV) butoxide (Ti(OBu)4), diethanolamine (DEA), butanol, and HCl were chosen. The TiO2 coatings were prepared using sols with varying volume ratios of Ti(OBu)4:DEA:Butanol. Additionally, three withdrawal speeds from the sol were employed. Subsequently, the TiO2 thin films were sintered at 500 and 700 degrees C. The obtained thin films were characterized using SEM to determine thickness, AFM to determine roughness, and the Step 500 platform for the adhesion test. NOx was found to be efficiently eliminated by TiO2 thin film photocatalyst. It is possible to obtain a TiO2 coating that is capable of degrading 300 ppb of NO in real time under specific conditions: a relative humidity of 30 %, a UV intensity of 20 W/m2 , a gas flow rate of 1 dm3 /min.
引用
收藏
页数：12
相关论文
共 50 条
  • [41] Photocatalytic activity of TiO2 synthesised by the sol-gel method
    Yamazaki, S
    Hayashi, T
    [J]. JOURNAL OF CHEMICAL RESEARCH-S, 2003, (07): : 423 - 425
  • [42] Optical Study of TiO2 Thin Films Prepared by Sol-Gel
    Bouabid, K.
    Ihlal, A.
    Amira, Y.
    Sdaq, A.
    Assabbane, A.
    Ait-Ichou, Y.
    Outzourhit, A.
    Ameziane, E. L.
    Nouet, G.
    [J]. FERROELECTRICS, 2008, 372 : 69 - 75
  • [43] Photocatalytic Degradation of Paracetamol in Aqueous Medium Using TiO2 Prepared by the Sol-Gel Method
    Trujillano, Raquel
    Rives, Vicente
    Garcia, Ines
    [J]. MOLECULES, 2022, 27 (09):
  • [44] Sol-gel synthesis of Au/TiO2 thin films for photocatalytic degradation of phenol in sunlight
    Sonawane, RS
    Dongare, MK
    [J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2006, 243 (01) : 68 - 76
  • [45] Preparation and Characterization of TiO2 Photocatalytic Thin Film Prepared by Sol-Gel Dip Coating
    Wang, JiaoJiao
    Zheng, Kai
    Ruessel, Christian
    Liang, Wen
    [J]. NEW MATERIALS AND PROCESSES, PTS 1-3, 2012, 476-478 : 2398 - +
  • [46] Photocatalytic activity of TiO2/SnO2/Pt prepared by the sol-gel method
    Lin, Han-Yu
    Kuo, Chao-Yin
    [J]. REACTION KINETICS AND CATALYSIS LETTERS, 2008, 94 (02): : 271 - 280
  • [47] Photocatalytic activity of TiO2/SnO2/Pt prepared by the sol-gel method
    Han-Yu Lin
    Chao-Yin Kuo
    [J]. Reaction Kinetics and Catalysis Letters, 2008, 94 : 271 - 280
  • [48] Photocatalytic decomposition of acetic acid over TiO2 and TiO2/SiO2 thin films prepared by the sol-gel method
    Lee, MS
    Lee, JD
    Hong, SS
    [J]. JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 2005, 11 (04) : 495 - 501
  • [49] Photocatalytic activity of TiO2 films prepared by sol-gel and electrodeposition on the decolourization of monoazo dyes
    Anthoniamma, S. Clara
    Prabu, H. Gurumallesh
    [J]. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2015, 73 (01) : 118 - 126
  • [50] Effects of preparation process on photocatalytic activity of TiO2 films by sol-gel method
    Xie, Wenjing
    Sun, Rongji
    Chen, Zhili
    Yang, Yi
    Xue, Ming
    Wang, Chuyi
    [J]. Taiyangneng Xuebao/Acta Energiae Solaris Sinica, 2021, 42 (05): : 131 - 137
12345