In situ photoacoustic FTIR studies on photocatalytic oxidation of 2-propanol over titanium(IV) oxide

被引：6
|
作者：
Murakami, Naoya [1 ,2 ,3 ]
Koga, Nobunori [2 ]
机构：
[1] Kyushu Inst Technol, Fac Engn, Dept Appl Chem, 1-1 Sensuicho, Kitakyushu, Fukuoka 8048550, Japan
[2] Kyushu Inst Technol, Grad Sch Life Sci & Syst Engn, Wakamatsu Ku, 2-4 Hibikino, Kitakyushu, Fukuoka 8080196, Japan
[3] Kyushu Inst Technol, Res Ctr Ecofitting Technol, Wakamatsu Ku, 2-4 Hibikino, Kitakyushu, Fukuoka 8080196, Japan
来源：
CATALYSIS COMMUNICATIONS | 2016年 / 83卷
关键词：
Photoacoustic spectroscopy; FTIR; Photocatalytic; Titanium(IV) oxide; ATR-FTIR; TIO2; DEGRADATION; IRRADIATION; ADSORPTION; IR; PHOTOOXIDATION; SPECTROSCOPY; ABSORPTION; ACETONE;
D O I：
10.1016/j.catcom.2016.04.017
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：
Adsorption and photocatalytic reaction of 2-propanol over titanium(IV) oxide (TiO2) were studied by Fourier transform infrared spectroscopy (FTIR) using a photoacoustic (PA) technique. At first, the validity of the FTIR system using a home-made PA cell was confirmed by comparison with conventional transmission FTIR. The spectrum of TiO(2)with 2-propanol showed different propoxy peaks from those of gaseous 2-propanol as a result of chemisorption on TiO2. Finally, in situ FTIR observation of the photocatalytic oxidation of 2-propanol was carried out. Under ultraviolet irradiation, PA spectra changed due to complete oxidation of 2-propanol through acetone as an intermediate. (C) 2016 Elsevier B.V. All rights reserved.
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页码：1 / 4
页数：4
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