Optical carbon dioxide sensor based on fluorescent capillary array

被引：22
|
作者：
Wang, Jian [1 ,2 ]
Wen, Zhihui [2 ]
Yang, Bo [3 ]
Yang, Xuefeng [1 ]
机构：
[1] Henan Polytech Univ, Sch Phys & Elect Informat Engn, Jiaozuo 454000, Peoples R China
[2] Henan Polytech Univ, State Key Lab Cultivat Base Gas Geol & Gas Contro, Jiaozuo 454000, Peoples R China
[3] Henan Polytech Univ, Sch Safety Sci & Engn, Jiaozuo 454000, Peoples R China
来源：
RESULTS IN PHYSICS | 2017年 / 7卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Carbon dioxide chemical sensor; Fluorescence sensor; Capillary array; LIQUID; GAS;
D O I：
10.1016/j.rinp.2016.12.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel carbon dioxide (CO2) gas sensor based on capillary array is presented. The capillary array is composed of 51 capillaries and modified by fluorescent dye 8-hydroxy-1,3,6-pyrenetrisulfonic acid trisodium salt (HPTS, PTS) and tetraoctylammonium cation (TOA(+)) doped porous ethyl cellulose. A Y-fiber is used to transmit exciting light and fluorescence. A fiber optic pigtail-contained spectrophotometer is used to collect and deal with optical signals. Due to its structural features, each capillary has the two rolling-up layers of inner and outer sensing films, which make the 2 cm long capillary array has large sensing area about 12.81 cm(2) and the fluorescence signal easily be collected. The sensing probe has advantages such as small volume, compact structure and large sensing area. The results demonstrate that the sensor has a linear response in the CO2 volume ratio range from 0 to 10%. (C) 2016 The Authors. Published by Elsevier B. V. This is an open access article under the CC BY-NC-ND license.
引用
收藏
页码：323 / 326
页数：4
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