Interaction of TiO2 Films on Carbon Fibers with Toluene

Bulletin of the Korean chemical society

Hyun Ook Seo¹  Yuan Luo¹  Myoung Joo Kim¹  Young Dok Kim¹  Kwang Dae Kim¹  Nilay Kumar Dey¹ 

关键词: Thin films;    Chemical vapour deposition;    TiO2;    C fiber;    Volatile organic compound (VOC);   

DOI  :  

学科分类：化学（综合）

来源: Korean Chemical Society

【 摘 要 】

TiO2 thin films were synthesized on carbon fibers using chemical vapor deposition. We show that these films can exhibit extraordinarily high absorption capacities of toluene vapor. Such an absorption phenomenon of toluene at room temperature was not found for other TiO2 samples. Upon toluene absorption change in the color (darkening) of the film was found, indicating that these films can be used as an indicator of the existence of volatile organic compounds in the indoor environments. By X-ray Photoelectron Spectroscopy (XPS) and Scanning Electron Microscopy (SEM), a high concentration of OH species and a unique layered structure were found for the TiO2 films and these could be related to their high absorption capacity of toluene.

【 授权许可】

Unknown