Synthesis of highly active thin film based on TiO2 nanomaterial for self-cleaning application

被引：18

作者：

Saif, M. ^{[1
]}

El-Molla, S. A. ^{[1
]}

Aboul-Fotouh, S. M. K. ^{[1
]}

Hafez, H. ^{[2
]}

Ibrahim, M. M. ^{[1
]}

Abdel-Mottaleb, M. S. A. ^{[3
]}

Ismail, L. F. M. ^{[4
]}

机构：

[1] Ain Shams Univ, Fac Educ, Dept Chem, Cairo, Egypt

[2] Minoufiya Univ, Sadat Branch, ESRI, Sadat City, Egypt

[3] Ain Shams Univ, Fac Sci, Dept Chem, Nanophotochem & Solarchem Lab, Cairo 11566, Egypt

[4] Al Azhar Univ, Fac Sci Girls, Dept Chem, Cairo, Egypt

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2013年 / 112卷

关键词：

TiO2; Self-cleaning; Fluorescent probe; Hydrothermal; PHOTOCATALYTIC ACTIVITY; SOL-GEL; DIOXIDE; WATER; DEGRADATION; GENERATION; ACID;

D O I：

10.1016/j.saa.2013.04.011

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

Highly active self-cleaning surfaces were prepared from hydrothermally treated TiO2 nanomaterials for different times (0, 12, 24 and 36 h) under acidic condition. TiO2 thin films were characterized by X-ray diffraction (XRD), transmission electron microscope (TEM) and scanning electron microscope (SEM). TiO2 thin film (hydrothermal 24 h) exhibited hybrid morphology from accumulated plates, clusters, rods and spheres. The photo self-cleaning activity in term of quantitative determination of the active oxidative species (center dot OH) produced on the thin film surfaces was evaluated using fluorescent probe method. The results show that, the highly active thin film is the hydrothermally treated for 24 h at 200 degrees C. The structural, morphology and photoactivity properties of nano-TiO2 thin films make it promising surfaces for self-cleaning application. Mineralization of commercial textile dye (Remazol Red RB-133, RR) from highly active TiO2 thin film surface was applied. Moreover, the durability of this nano-TiO2 thin film (hydrothermal 24 h) was studied. (C) 2013 Published by Elsevier B.V.

引用

页码：46 / 51

页数：6

共 43 条

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