Full-color CO2 gas sensing by an inverse opal photonic hydrogel

Wei Hong; Yuan Chen; Xue Feng; Yang Yan; Xiaobin Hu; Binyuan Zhao; Fan Zhang; Di Zhang; Zhou Xu; Yijian Lai

doi:10.1039/C3CC44825H

Full-color CO₂ gas sensing by an inverse opal photonic hydrogel†

Wei Hong,^a Yuan Chen,^a Xue Feng,^a Yang Yan,^a Xiaobin Hu,*^a Binyuan Zhao,^a Fan Zhang,*^a Di Zhang,*^a Zhou Xu^a and Yijian Lai^b

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^a State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai JiaoTong University, Shanghai, China
E-mail: hxb@sjtu.edu.cn, mtsmmc@sjtu.edu.cn, zhangdi@sjtu.edu.cn
Fax: +86 21 34202843
Tel: +86 21 34202843

^b Instrumental Analysis Center, Shanghai JiaoTong University, Shanghai, China

Abstract

CO₂ gas sensing is of great importance because of the impact of CO₂ on global climate change. Here, utilizing an inverse opal hydrogel, we describe a CO₂ gas sensing method that allows highly sensitive and selective detection over a wide concentration range. The CO₂ sensor is specific, quantitative, interference tolerant and without the need for special instruments.

Chemical Communications

Full-color CO₂ gas sensing by an inverse opal photonic hydrogel†

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Full-color CO₂ gas sensing by an inverse opal photonic hydrogel

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Chemical Communications