Effects of an electrically conducting layer at the zinc oxide surface

O Schmidt, P Kiesel, CG Van de Walle… - Japanese journal of …, 2005 - iopscience.iop.org
Measurements of the electrical properties of high-resistivity zinc oxide (ZnO) are strongly
influenced by the sample ambient. Temperature-dependent Hall-effect measurements were …

Effect of moisture and molecular weight of polyaniline on H2S sensing characteristics

SK Gautam, S Panda - Sensors and Actuators B: Chemical, 2021 - Elsevier
Chemical behavior of some gases, such as H 2 S, changes with presence of moisture.
Sensing of H 2 S by polyaniline (PANI) has been studied; the sensing characteristics …

Novel deposition techniques for metal oxide: Prospects for gas sensing

K Sahner, HL Tuller - Journal of electroceramics, 2010 - Springer
With the growing need for high performance gas sensors, a variety of preparation methods
have been introduced and investigated. In the present contribution, the focus is on novel …

Highly stable low temperature alcohol sensor based on hydrothermally grown tetragonal titania nanorods

B Bhowmik, P Bhattacharyya - RSC advances, 2015 - pubs.rsc.org
Highly stable, low temperature (27–175° C) alcohol (ethanol, methanol and 2-propanol)
sensing performance of a hydrothermally grown tetragonal TiO2 nanorod array, targeting the …

Transient characterization techniques for resistive metal-oxide gas sensors

A Varpula, S Novikov, A Haarahiltunen… - Sensors and Actuators B …, 2011 - Elsevier
We present three different time-domain characterization techniques for resistive metal-oxide
gas sensors. They are based on electric resistance transients induced by small step …

[HTML][HTML] Thermo-cyclically operated metal oxide gas sensor arrays for analysis of dissolved volatile organic compounds in fermentation processes: Part I–Morphology …

B Ojha, M Aleksandrova, M Schwotzer… - Sensing and Bio …, 2023 - Elsevier
For a comparative study of the gas sensing performance to dissolved volatile organic
compounds (VOCs), the SnO 2-powders have been prepared using two different fabrication …

Effective adsorption energy and generalization of the Frumkin-Fowler-Guggenheim isotherm

G Barbero, LR Evangelista, I Lelidis - Journal of Molecular Liquids, 2021 - Elsevier
The adsorption phenomenon is often described by means of a kinetic equation, in the form
proposed by Langmuir. From the statistical point of view, the analysis is done in terms of …

Experimental and numerical modelling of a nanostructured nickel ferrite-based ammonia gas sensor

A Kumar, R Kashyap, R Kumar, R Singh… - Journal of Electronic …, 2022 - Springer
In the present study, a comparison of experimental and numerical models based on the
interaction of ammonia gas (NH3) with a nanostructured nickel ferrite (NiFe2O4) sensing …

Thermally modulated multi sensor arrays of SnO2/additive/electrode combinations for enhanced gas identification

N Illyaskutty, J Knoblauch, M Schwotzer… - Sensors and Actuators B …, 2015 - Elsevier
We report the development of a multi sensor array integrated with four different layers of tin
oxide/additive combinations, which operates thermo-cyclically by triangular heater voltages …

Effects of donor density on power-law response in tin dioxide gas sensors

DA Mirabella, PM Desimone, MA Ponce… - Sensors and Actuators B …, 2021 - Elsevier
We investigated the power-law responses in two types of tin dioxide (SnO 2) films: one made
from nanosized grains and another from from very large grains, both under dry air …