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.

引用

页码：1 / 4

页数：4

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