Self-Referenced Smartphone Imaging for Visual Screening of H2S Using CuxO-Polypyrrole Conductive Aerogel Doped with Graphene Oxide Framework

被引：150
作者：
Shu, Jian [1 ]
Qiu, Zhenli [1 ]
Tang, Dianping [1 ]
机构：
[1] Fuzhou Univ, Dept Chem, State Key Lab Photocatalysis Energy & Environm, Key Lab Analyt Sci Food Safety & Biol MOE & Fujia, Fuzhou 350116, Fujian, Peoples R China
来源：
ANALYTICAL CHEMISTRY | 2018年 / 90卷 / 16期
基金：
中国国家自然科学基金;
关键词：
POLYMER COMPOSITES; HYDROGEN-SULFIDE; SENSORS;
D O I：
10.1021/acs.analchem.8b03011
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
CuxO-polypyrrole conductive aerogel loaded on graphene oxide framework (CuxO-PPy@GO) with a three-dimensional (3D) porous architecture was utilized for high efficient visual screening of H2S on a flexible paper substrate. The detectable signal was acquired on a portable smartphone by using a self-referenced imaging platform equipped with the light emitting diode (LED) accompanying an image processing. As a proof-of-concept, CuxO-PPy@GO aerogel-based sensing strategy was also developed for Na2S detection and egg spoilage monitoring. Such a flexible paper-supported sensor is expected for potential application in portable and wearable food-safety fields.
引用
收藏
页码：9691 / 9694
页数：4
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