Abstract
Thin metal layers are widely utilized in a number of modern applications in electronics, optics, chemistry and many other applications. At present the thin layers of metals serve in applications spanning from simple electrodes to surface plasmon resonance (SPR) or giant magnetoresistance (GMR) based sensors [1, 2]. Thin films allow monitoring redox processes in the vicinity of electrodes, adsorption/desorption equilibria of ions, organic compounds, gases, and more recently also interactions of large organic macromolecules such as proteins or DNA. In a previous review we have covered applications of thin films in biosensing regardless of the measured physical change [3]. Measurement of basic electric properties (current, voltage, resistance) is simple and precise with large dynamic range. Since the related equipment is simple and inexpensive; such sensors might be very attractive for many applications in chemistry, environmental sciences or medicine. In this work, we shall discuss the potential of metal layers for future applications in resistance based chemical sensing.
Keywords: Chemiresistor, thin metal film, voltohmmetric sensing, gas sensing.
Current Analytical Chemistry
Title:Thin Metal Films in Resistivity-based Chemical Sensing
Volume: 9 Issue: 4
Author(s): Pavel Podesva and Frantisek Foret
Affiliation:
Keywords: Chemiresistor, thin metal film, voltohmmetric sensing, gas sensing.
Abstract: Thin metal layers are widely utilized in a number of modern applications in electronics, optics, chemistry and many other applications. At present the thin layers of metals serve in applications spanning from simple electrodes to surface plasmon resonance (SPR) or giant magnetoresistance (GMR) based sensors [1, 2]. Thin films allow monitoring redox processes in the vicinity of electrodes, adsorption/desorption equilibria of ions, organic compounds, gases, and more recently also interactions of large organic macromolecules such as proteins or DNA. In a previous review we have covered applications of thin films in biosensing regardless of the measured physical change [3]. Measurement of basic electric properties (current, voltage, resistance) is simple and precise with large dynamic range. Since the related equipment is simple and inexpensive; such sensors might be very attractive for many applications in chemistry, environmental sciences or medicine. In this work, we shall discuss the potential of metal layers for future applications in resistance based chemical sensing.
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Cite this article as:
Podesva Pavel and Foret Frantisek, Thin Metal Films in Resistivity-based Chemical Sensing, Current Analytical Chemistry 2013; 9 (4) . https://dx.doi.org/10.2174/1573411011309040015
DOI https://dx.doi.org/10.2174/1573411011309040015 |
Print ISSN 1573-4110 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6727 |
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