Semiconductor Materials for Gas Sensors

Valentyn Smyntyna, PhD
Experimental Physics Department, Odessa National I.I. Mechnikov University, Odessa, Ukraine

Series: Materials Science and Technologies
BISAC: TEC021000

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Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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This book examines the potential application of semiconductor materials for gas sensor production on the basis of their fundamental, theoretical, and experimental studies. Some of these materials or their composites were applied for semiconductor gas sensor production for the first time.

Special attention is paid to the model materials A2B6, which are used in the form of films with biographic surface as well as with the surface doped by donor (In, Cd, Sn, Pt, Pd etc.) and acceptor (Se and others) particles.

Results of application of metal-oxide materials as adsorptionally sensitive elements are also represented in this book. These elements were produced and tested in the form of simple oxides (as SnO2, In2O3, for example) as well as in the form of composite oxide metal complexes (SnWO4, ZnO:In2O3 etc.).

The book examines in detail the influence of doping on different materials and their adsorption sensitivity, persistence, selectivity, dynamic and kinetic characteristics, and other parameters.

Results of thorough studies of degradation of semiconductor sensor material characteristics, when in working gas atmospheres, are represented in a special section of the book. Adsorptionally sensitive parameters of amorphous silicon, micro-, macro- and nanoporous silicon are examined and results of Si structure testing as gas sensors are also discussed in this book. (Imprint: Nova)

Introduction

Acknowledgements

Chapter 1. Features of the Electron-Molecular Interactions on the Surface of the Semiconductor in the Classical and Electronic Theory of Adsorption-Desorption Processes

Chapter 2. Phenomenological Aspects of Adsorption Sensitivity of Semiconductor Gas Sensor

Chapter 3. Adsorption Sensitivity of the Real Surface of Semiconductor Gas Sensors

Chapter 4. The Influence of Sensor Surface Alloying on Adsorption Sensitivity

Chapter 5. Semiconductor Gas Sensors

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