SnO2: A comprehensive review on structures and gas sensors

S Das, V Jayaraman - Progress in Materials Science, 2014 - Elsevier
Metal oxides possess exceptional potential as base materials in emerging technologies. In
recent times, significant amount of research works is carried out on these materials to assess …

Advances and new directions in gas-sensing devices

ID Kim, A Rothschild, HL Tuller - Acta Materialia, 2013 - Elsevier
Gas sensors are employed in many applications including detection of toxic and
combustible gases, monitoring emissions from vehicles and other combustion processes …

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 …

Interplay between O2 and SnO2: Oxygen Ionosorption and Spectroscopic Evidence for Adsorbed Oxygen

A Gurlo - ChemPhysChem, 2006 - Wiley Online Library
Tin dioxide is the most commonly used material in commercial gas sensors based on
semiconducting metal oxides. Despite intensive efforts, the mechanism responsible for gas …

The p (O 2) dependence of oxygen surface coverage and exchange current density of mixed conducting oxide electrodes: model considerations

J Fleig, R Merkle, J Maier - Physical Chemistry Chemical Physics, 2007 - pubs.rsc.org
The charge of adsorbed oxygen species such as O− ad, O− 2, ad or O2− 2, ad
electrostatically affects the kinetics of the oxygen exchange reaction (1/2O2+ 2e− O2−) …

Mechanisms and rate laws for oxygen exchange on mixed-conducting oxide surfaces

SB Adler, XY Chen, JR Wilson - Journal of Catalysis, 2007 - Elsevier
Transition metal oxides with mobile electrons and oxygen ions (mixed conductors) constitute
a broad class of materials that include selective oxidation catalysts, high-temperature …

Ultralow power consumption gas sensors based on self-heated individual nanowires

JD Prades, R Jimenez-Diaz… - Applied Physics …, 2008 - pubs.aip.org
Dissipated power in metal oxide nanowires (r NW< 45 nm) often causes important self-
heating effects and as a result, undesired aging and failure of the devices. Nevertheless, this …

Ultraviolet detection with ultrathin ZnO epitaxial films treated with oxygen plasma

M Liu, HK Kim - Applied physics letters, 2004 - pubs.aip.org
We have investigated the effects of oxygen plasma treatment on the UV detection properties
of ultrathin (∼ 20-nm-thick) ZnO epitaxial films. Highly epitaxial ZnO films grown on sapphire …

Microsphere Templating as Means of Enhancing Surface Activity and Gas Sensitivity of CaCu3Ti4O12 Thin Films

ID Kim, A Rothschild, T Hyodo, HL Tuller - Nano letters, 2006 - ACS Publications
Chemical and physical synthesis routes were combined to prepare macroporous
CaCu3Ti4O12 thin films by pulsed laser deposition onto poly (methyl methacrylate)(PMMA) …

Nanostructured metal oxide gas sensors prepared by electrospinning

ID Kim, A Rothschild - Polymers for Advanced Technologies, 2011 - Wiley Online Library
Electrospinning provides a simple and versatile route to produce nanocrystalline metal
oxide layers with a highly porous fibrous morphology. The combination of small grain size …