Temperature and humidity compensated graphene oxide (GO) coated interdigital sensor for carbon dioxide (CO2) gas sensing

Fowzia Akhter*, Saima Hasan, Md. Eshrat E. Alahi, S. C. Mukhopadhyay

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

3 Citations (Scopus)

Abstract

A low-cost, low-power planar interdigital carbon dioxide (CO2) sensor is proposed in this research. A well-known dielectric material graphene oxide (GO) is used as a coating material to induce selectivity towards CO2. The proposed sensor has been characterized and calibrated for detecting various CO2 concentrations, temperature and humidity. A temperature and humidity compensation mechanism is also included for improving the accuracy in CO2 concentration measurement in unknown samples. The reproducibility, repeatability, cross-sensitivity, stability, response, and recovery time test results are promising for developing a cost-effective, smart CO2 gas monitoring system for both indoor and outdoor environments.

Original languageEnglish
Title of host publicationInterdigital sensors
Subtitle of host publicationprogress over the last two decades
EditorsSubhas Chandra Mukhopadhyay, Boby George, Joyanta Kumar Roy, Tarikul Islam
Place of PublicationCham
PublisherSpringer, Springer Nature
Chapter13
Pages329-349
Number of pages21
ISBN (Electronic)9783030626846
ISBN (Print)9783030626839
DOIs
Publication statusPublished - 2021

Publication series

NameSmart Sensors, Measurement and Instrumentation
PublisherSpringer
Volume36
ISSN (Print)2194-8402
ISSN (Electronic)2194-8410

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