Detection of Sulfur Dioxide Using Cellulose Photonic Crystal Membrane

被引：2

作者：

Wang Yi-Fei ^{[1
]}

Zhou Li-Jun ^{[1
]}

Yang Ji ^{[1
]}

Meng Zi-Hui ^{[1
]}

Xue Min ^{[1
]}

Qiu Li-Li ^{[1
]}

Liu Xue-Yong ^{[2
]}

He Xuan ^{[2
]}

Zhong Fa-Chun ^{[2
]}

机构：

[1] Beijing Inst Technol, Sch Chem & Chem Engn, Beijing 100081, Peoples R China

[2] China Acad Engn Phys, Inst Chem Mat, Mianyang 621900, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2018年 / 46卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Photonic crystal; Chemical sensor; Carboxymethylcellulose; Sulfur dioxide; Dimethyl sulfoxide; CAVITY;

D O I：

10.11895/j.issn.0253.3820.181044

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Sulfur oxide is one of the most concerned air pollutants. Current detection technique for sulfur oxide is complicated, and in situ techniques are in highly demand. Herein, 3D polymethyl methacylate colloidal arrays which were embedded inside methylcellulose (MC) and carboxymethylcellulose (CMC) membrane were prepared, and then opal and inverse opal cellulose photonic crystal with bright structural color were obtained. After treated with dimethyl sulfoxide (DMSO), the structural color of the inverse opal cellulose photonic crystal turned from red to colorless, and the naked. eye detection for SO2 was achieved with a detection limit of lower than 7898 mg/m(3). This technique might be useful for the in situ detection of SO2 pollutant in the air.

引用

页码：1472 / 1478

页数：7

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