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  • In Jour Smart Sensing And Intelligent Systems

 

Research paper | 13-December-2017

HYDROGEN GAS SENSING PERFORMANCE OF Pt/SnO2 NANOWIRES/SiC MOS DEVICES

This paper presents material and gas sensing properties of Pt/SnO2 nanowires/SiC metal oxide semiconductor devices towards hydrogen. The SnO2 nanowires were deposited onto the SiC substrates by vapor-liquid-solid growth mechanism. The material properties of the sensors were investigated using scanning electron microscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. The current-voltage characteristics have been analyzed. The effective change in the barrier height for 1

M. Shafiei, K. Kalantar-zadeh, W. Wlodarski, E. Comini, M. Ferroni, G. Sberveglieri, S. Kaciulis, L. Pandolfi

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 3, 771–783

Research Article | 13-December-2017

NANOSENSORS ENGINEERING:I. STRUCTURALLY MODULATED SnO2 NANOWIRES

The results of research aimed at the gas sensing nanowires (NWs) engineering are presented. Structurally modulated SnO2 NWs were obtained at 900oС in the modified vapor-solid process, allowing that NW morphology could be encoded in a programmable way along its length. PVD technique was used for Ti/Au electrical contacts deposition and gas sensitive nanoscale chemiresistors formation. Created nanostructures were characterized for their gas sensing performance. It was established that

S. Dmitriev

International Journal on Smart Sensing and Intelligent Systems, Volume 3 , ISSUE 4, 643–654

Research Article | 15-February-2020

Method to Convert a Horizontal Furnace to Grow ZnO Nanowires for Gas Sensing by the VLS Method

Zinc oxide (ZnO), II-VI compound semiconductor with a wide band gap (3.4ev), has a stable wurtzite structure with lattice spacing a=0.325 nm and c=0.521nm. Its properties and potential for applications in photovoltaics, LED’s, spin electronics, ultraviolet light emitters, chemical sensors and transparent electronics has attracted intensive research. The objective of this thesis is to fabricate ZnO nanowires on gold coated silicon substrates using the chemical vapor transport (CVT) method

Sushma Nandhyala, Michael Haji-Sheikh, Martin Kocanda, Suma Rajashankar

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Original Paper | 15-February-2020

Fluctuation enhanced gas sensing using UV irradiated Au-nanoparticle-decorated WO3-nanowire films

WO3 nanowires (WO3-NWs) decorated with gold nanoparticles (AuNPs) were utilized in resistive gas sensor devices to detect ethanol by use of fluctuation enhanced sensing (FES).  The experimental system records both DC resistance and fluctuations of the sensing film. Our data verify that the sensitivity and selectivity of the gas sensor are improved by applying FES when the sensor is stimulated with a combination of UV light and heating. We conclude that UV light can produce improved gas

Maciej Trawka, Janusz Smulko, Lech Hasse, Radu Ionescu, Fatima E. Annanouch, Eduard Llobet, Claes G. Granqvist, Laszlo B. Kish

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Research Article | 15-February-2020

What happens at the aroma of coffee beans after roasting?

The coffee aroma is one of the most important quality evaluation criteria employed for coffee commercialization and consumption. The purpose of this study was following the roasting process VOCs creations with the novel Electronic Nose equipped whit 2 of 6 MOX nanowire sensors. The nanowires exhibit exceptional crystalline quality and a very high length-to-width ratio, resulting in enhanced sensing capability as well as long-term material stability for prolonged operation. Four different

Veronica Sberveglieri, Andrea Pulvirenti, Elisabetta Comini, Estefania Nunez Carmona

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–4

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