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Sulfur Dioxide Sensors
Loveleen Kaur Gulati, Gurleen Kaur Gulati and Satish Kumar
Materials Research Foundations Vol. 95
Publication Date 2021, 76 Pages
Print ISBN 978-1-64490-122-9 (release date March 2021)
ePDF ISBN 978-1-64490-123-6
DOI: 10.21741/9781644901236

Recent progress on the sensing and monitoring of sulfur dioxide in the environment is presented. The sensing materials covered include potentiometric gas sensors, amperometric sensors, optical sensors involving colorimetric and fluorescence changes, sensors based on ionic liquids, semiconducting metal-oxide sensors, photoacoustic detectors and biosensors.

Keywords
Sulfur Dioxide Toxicity, Environmental Effects of SO2, Health Effects of SO2, Potentiometric Gas Sensing, Amperometric Gas Sensing, Optical Gas Sensing, Colorimetric Gas Sensing, Fluorescence-based Gas Sensing, Ionic Liquids for SO2 Sensing, Semiconducting Metal-Oxides for SO2 Detection, Photoacoustic Gas Detectors, Biosensors for SO2 Monitoring

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Table of Contents
1. Introduction 1
2. Environmental effects associated with SO2 emissions 2
3. Health effects of SO2 exposure 3
4. Classification of gas sensors 3
(I) Potentiometric gas sensors 4
(II) Amperometric gas sensors 10
(III) Optical sensors involving colorimetric and fluorescence changes 19
(IV) Ionic liquids (ILs) based sensors 31
(V) Semiconducting metal-oxide based sensors (SMOXs) 37
(VI) Sensors based on photoacoustic detection 53
5. Biosensing of SO2 56
Conclusions 58
Acknowledgments 59
References 59
About the authors 72

About the Authors

Loveleen Kaur Gulati

The author received a BSc (Hons.) in Chemistry from St. Stephen’s College, University of Delhi (India) in 2013, and an MSc in Chemistry from the University of Delhi in 2015. She is working as a research fellow under the supervision of Dr. Satish Kumar at St. Stephen’s College. The research aimed at the development of photochromic receptors for toxic analyte sensing.

Gurleen Kaur Gulati

The author received a BSc (Hons.) in Chemistry from St. Stephen’s College, University of Delhi (India) in 2013, and an MSc in Chemistry from the University of Delhi in 2015. She is working as a research fellow under the supervision of Dr. Satish Kumar at St. Stephen’s College. The research involved the synthesis of macrocyclic receptors for the detection of toxic ions.

Satish Kumar

The author is an assistant professor in the Department of Chemistry at St. Stephen’s College, University of Delhi. During the last 18 years, Dr. Satish Kumar has worked in interdisciplinary areas covering theoretical chemistry, nanochemistry, and application of principles of molecular recognition to design molecular receptors. Dr. Satish Kumar has published several research papers related to the development of receptors for neutral molecules, anions, and cations. He has 16 years of teaching experience.