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Metal oxide-based gas sensor research: How to?
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TLDR
In this article, the state of the art in the field of experimental techniques possible to be applied to the study of conductometric gas sensors based on semiconducting metal oxides is reviewed.Abstract:
The paper critically reviews the state of the art in the field of experimental techniques possible to be applied to the study of conductometric gas sensors based on semiconducting metal oxides. The used assessment criteria are subordinated to the proposed R&D approach, which focuses on the study, and subsequent modelling, of sensors’ performance in realistic operation conditions by means of a combination of phenomenological and spectroscopic techniques. With this viewpoint, the paper presents both the to-date achievements and shortcomings of different experimental techniques, describes – by using selected examples – how the proposed approach can be used and proposes a set of objectives for the near future.read more
Citations
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Hydrogen sensing properties of sputtered ZnO films decorated with Pt nanoparticles
TL;DR: In this article, the hydrogen sensing behavior of ZnO thin films decorated with Pt nanoparticles (PtNPs@ZnO) that were fabricated by sequential sputtering and annealing at 600°C is reported.
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High-performance formaldehyde adsorption on CuO/ZnO composite nanofiber coated QCM sensors
TL;DR: In this article, formaldehyde adsorption was performed by measuring the frequency change in quartz crystal microbalance (QCM) sensor, which coated with CuO-ZnO composite nanofibers by electrospinning method.
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NO2 sensing properties of WO3 varistor-type gas sensor
TL;DR: In this paper, the NO2 sensing properties of pure WO3 ceramics based on the gas sensitive nonlinear currentvoltage (I-V) characteristics have been investigated.
Journal ArticleDOI
Electronic Noses in Medical Diagnostics.
TL;DR: Despite the fact that devices equipped with arrays of chemical sensors are not routinely used in everyday medical practice, their prospective use would solve some established issues in medical diagnostics, as well as lead to developments in prophylactics by facilitating a widespread use of non-invasive screening tests.
Journal ArticleDOI
Fabrication and Characterization of a SPR Based Fiber Optic Sensor for the Detection of Chlorine Gas Using Silver and Zinc Oxide
TL;DR: In this article, a fiber optic chlorine gas sensor working on surface plasmon resonance (SPR) technique fabricated using coatings of silver and zinc oxide films over unclad core of the optical fiber is reported.
References
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Book
The surface science of metal oxides
TL;DR: In this paper, the electronic structure of transition metal-oxide surfaces is described. But the electronic structures of non-transition metaloxide surfaces have not been discussed, and they are not considered in this paper.
Journal ArticleDOI
Conduction Model of Metal Oxide Gas Sensors
Nicolae Barsan,Udo Weimar +1 more
TL;DR: In this article, the authors provide a frame model that deals with all contributions involved in conduction within a real world sensor, and then summarize the contributions together with their interactions in a general applicable model for real world gas sensors.
Journal ArticleDOI
The surface and materials science of tin oxide
Matthias Batzill,Ulrike Diebold +1 more
TL;DR: A review of surface science studies of single crystal surfaces, but selected studies on powder and polycrystalline films are also incorporated in order to provide connecting points between surface sciences studies with the broader field of materials science of tin oxide as discussed by the authors.