The effect of grain size on the sensitivity of nanocrystalline metal-oxide gas sensors
A Rothschild, Y Komem - Journal of Applied Physics, 2004 - pubs.aip.org
The effect of grain size on the sensitivity of chemoresistive nanocrystalline metal-oxide gas
sensors was evaluated by calculating the effective carrier concentration as a function of the …
sensors was evaluated by calculating the effective carrier concentration as a function of the …
Nanocrystalline SnO gas sensors in view of surface reactions and modifications
The gas-sensing mechanism of an n-type semiconductor (tin dioxide) gas sensor is
reviewed in this paper. It is demonstrated that very high sensitivity can be obtained only …
reviewed in this paper. It is demonstrated that very high sensitivity can be obtained only …
Metal oxide nano-crystals for gas sensing
E Comini - Analytica chimica acta, 2006 - Elsevier
This review article is focused on the description of metal oxide single crystalline
nanostructures used for gas sensing. Metal oxide nano-wires are crystalline structures with …
nanostructures used for gas sensing. Metal oxide nano-wires are crystalline structures with …
Transition between neck-controlled and grain-boundary-controlled sensitivity of metal-oxide gas sensors
X Wang, SS Yee, WP Carey - Sensors and Actuators B: Chemical, 1995 - Elsevier
This paper studies the principles of gas-modulated grain-size effects on the electrical
conductivity and gas sensitivity of metal-oxide gas sensors. A model that combines both the …
conductivity and gas sensitivity of metal-oxide gas sensors. A model that combines both the …
[引用][C] Room‐temperature gas sensing based on electron transfer between discrete tin oxide nanocrystals and multiwalled carbon nanotubes
Miniaturized gas sensors based on nanostructured sensing elements have attracted
considerable interest because nanostructured materials, such as nanocrystals,[1, 2] …
considerable interest because nanostructured materials, such as nanocrystals,[1, 2] …
The Role of Surface Oxygen Vacancies in the NO2 Sensing Properties of SnO2 Nanocrystals
SnO2 nanocrystals were prepared by injecting a hydrolyzed methanol solution of SnCl4 into
a tetradecene solution of dodecylamine. The resulting materials were annealed at 500° C …
a tetradecene solution of dodecylamine. The resulting materials were annealed at 500° C …
Microfabricated gas sensor systems with sensitive nanocrystalline metal-oxide films
This article gives an overview on recent developments in metal-oxide-based gas sensor
systems, in particular on nanocrystalline oxide materials deposited on modern, state-of-the …
systems, in particular on nanocrystalline oxide materials deposited on modern, state-of-the …
Role of oxygen vacancies in nanostructured metal-oxide gas sensors: a review
M Al-Hashem, S Akbar, P Morris - Sensors and Actuators B: Chemical, 2019 - Elsevier
Investigations into the mechanisms governing the behavior of metal oxide gas sensors
continue to be of great interest. Oxygen vacancies are a ubiquitous defect in this class of …
continue to be of great interest. Oxygen vacancies are a ubiquitous defect in this class of …
Thick-film gas sensors based on nano-sized semiconducting oxide powders
G Martinelli, MC Carotta, E Traversa, G Ghiotti - MRS Bulletin, 1999 - cambridge.org
In materials science, great emphasis is currently being given to work on structures at the
nanometer scale in order to study the unique physical properties which derive from size …
nanometer scale in order to study the unique physical properties which derive from size …
Tailored nanoparticle films from monosized tin oxide nanocrystals: particle synthesis, film formation, and size-dependent gas-sensing properties
In order to investigate the change of gas-sensitive properties of undoped tin oxide
nanoparticle films depending on particle size, a thin film synthesis technique has been …
nanoparticle films depending on particle size, a thin film synthesis technique has been …