[PDF][PDF] Gas sensing mechanism of metal oxides: The role of ambient atmosphere, type of semiconductor and gases-A review

P Shankar, JBB Rayappan - Sci. Lett. J, 2015 - researchgate.net
Metal oxide thin films have emerged as a promising choice in the gas sensor industry.
Several key parameters such as physical and chemical characteristics of the metal oxides …

Recent progress in nanoparticles based sensors for the detection of mercury (II) ions in environmental and biological samples

Z Gul, S Ullah, S Khan, H Ullah, MU Khan… - Critical Reviews in …, 2024 - Taylor & Francis
To maintain a green and sustainable environment for human beings, rapid detection of
potentially toxic heavy metals like mercury (Hg (II)) has attracted great attention. Recently …

ZnO assisted polyaniline nanofibers and its application as ammonia gas sensor

V Talwar, O Singh, RC Singh - Sensors and Actuators B: Chemical, 2014 - Elsevier
A novel route for the synthesis of polyaniline nanofibers in the presence of varying amounts
of zinc oxide has been reported in this paper. The homogeneous PANI nanofibers were …

Sensor response formula for sensor based on ZnO nanostructures

N Hongsith, E Wongrat, T Kerdcharoen… - Sensors and Actuators B …, 2010 - Elsevier
In this paper, we propose a new and general formula to describe ethanol adsorption
mechanism underlying the response enhancement of ZnO nanostructure sensors. The …

Growth of ZnO tetrapods for nanostructure-based gas sensors

D Calestani, M Zha, R Mosca, A Zappettini… - Sensors and Actuators B …, 2010 - Elsevier
Standard vapour phase growth process for ZnO tetrapods has been optimized in order to
reach a very large yield, a good reproducibility and a single morphology (tetrapods are …

Gas-sensing performance enhancement in ZnO nanostructures by hierarchical morphology

W Guo, T Liu, H Zhang, R Sun, Y Chen, W Zeng… - Sensors and Actuators B …, 2012 - Elsevier
We report a successful synthesis of ZnO nanoparticles, nanosheets and nanoflowers via a
simple hydrothermal process, and investigate comprehensively their gas-sensing …

[HTML][HTML] The multisensor array based on grown-on-chip zinc oxide nanorod network for selective discrimination of alcohol vapors at sub-ppm range

A Bobkov, A Varezhnikov, I Plugin, FS Fedorov… - Sensors, 2019 - mdpi.com
We discuss the fabrication of gas-analytical multisensor arrays based on ZnO nanorods
grown via a hydrothermal route directly on a multielectrode chip. The protocol to deposit the …

[HTML][HTML] Facile ultrasonic-assisted synthesis of SiO2/ZnO core/shell nanostructures: A selective ethanol sensor at low temperatures with enhanced recovery

M Asgari, FH Saboor, SP Amouzesh, MW Coull… - Sensors and Actuators B …, 2022 - Elsevier
SiO 2/ZnO core/shell and composite sensors with 22–97 wt% ZnO content were synthesized
by a facile ultrasonic-assisted deposition-precipitation method. As for the core, uniform silica …

Direct hydrothermal growth of ZnO nanosheets on electrode for ethanol sensing

D Ju, H Xu, J Zhang, J Guo, B Cao - Sensors and Actuators B: Chemical, 2014 - Elsevier
ZnO nanosheet microstructures have been directly grown on Al 2 O 3 tube electrode by one-
step hydrothermal method with different reaction times (3 h, 8 h and 12 h). The crystalline …

Synthesis and gas sensing properties of ZnO quantum dots

A Forleo, L Francioso, S Capone, P Siciliano… - Sensors and Actuators B …, 2010 - Elsevier
ZnO nanocrystals (2.5–4.5 nm) were prepared by a wet chemical method based on alkaline-
activated hydrolysis and condensation of zinc acetate solutions. Dropcasting of the …