Carbon dioxide gas sensor based on optical control of color in liquid indicator

1st International Telecommunication Conference "Advanced Micro- and Nanoelectronic Systems and Technologies"

无线电电子学

Oblov, K Yu^1 ; Ivanova, A.V.^1 ; Soloviev, S.A.^1 ; Zhdanov, S.V.^1 ; Voronov, Yu A^1 ; Florentsev, V.V.^1

National Research Nuclear University, MEPhI (Moscow Engineering Physics Institute), Kashirskoe shosse 31, Moscow

115409, Russia^1

关键词: Carbon dioxide gas sensor;    Carbon dioxide sensors;    CO2 absorption;    Optical control;    Phenol red;    Sensitive properties;    Thymol blues;    Various pH;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/151/1/012031/pdf
DOI  :  10.1088/1757-899X/151/1/012031

来源: IOP

【 摘 要 】

A new optical carbon dioxide sensor based on the change in glow intensity of the Europium-III complex, caused by CO2absorption to various pH-indicators (thymol blue, phenol red and cresol red) of carbon dioxide was developed, and its sensitive properties were studied.