Prohlížení dle autora "Voves J."
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A chemiresistive sensor array based on polyaniline nanocomposites and machine learning classification
Autor: Kroutil J.; Laposa A.; Ahmad A.; Voves J.; Povolný V.; Klimsa L.; Davydova M.; Husák M.
(Beilstein-Institut zur Förderung der Chemischen Wissenschaften, 2022)The selective detection of ammonia (NH3), nitrogen dioxide (NO2), carbon oxides (CO2 and CO), acetone ((CH3)2CO), and toluene (C6H5CH3) is investigated by means of a gas sensor array based on polyaniline nanocomposites. ... -
Erbium-bismuth-doped germanium silicate active optic glass for broad-band optical amplification
Autor: Šmejcký J.; Jeřábek V.; Mareš D.; Voves J.; Prajzler V.
(Elsevier, 2023)This work deals with research and optimization of the optical Ge-Si glass composition doped with Er3+, Yb3+ ions and bismuth optically active centers (BACs), which are optically active for implementation in a double C- and ... -
EVALUATION OF INKJET PRINTED HEATERS ARRAY FOR CHEMO-RESISTIVE GAS SENSOR
Autor: Povolný V.; Laposa A.; Kroutil J.; Voves J.; Ashcheulov P.; Hazdra P.
(TANGER, 2024)Heaters are an indispensable part of gas sensing platforms. It serves to heat the sensor, which increases the sensitivity of the active layer and helps in the desorption of the detected gas. The sensors are also heated to ... -
EVALUATION OF PRINTED INTERDIGITAL ELECTRODES ARRAY FOR CHEMO-RESISTIVE GAS SENSOR APPLICATION
Autor: Povolný V.; Laposa A.; Kroutil J.; Voves J.; Davydova M.; Hazdra P.
(TANGER, 2022)The article presents the design and preparation of a platform for a gas sensor application based on the ink print of silver nanoparticles on flexible substrates. -
Flexible ammonia gas sensor based on polyaniline
Autor: Pošta A.; Náhlík J.; Laposa A.; Voves J.
(TANGER, 2019)In this paper we prepared flexible ammonia (NH3) gas sensor based on polyaniline (PAni) as an active sensing thin film layer. The sensors function was based on chemiresistive principle with thin film deposited on top of ... -
Gas-sensing behaviour of ZnO/diamond nanostructures
Autor: Davydova M.; Laposa A.; Šmarhák J.; Kromka A.; Neykova N.; Náhlík J.; Kroutil J.; Drahokoupil J.; Voves J.
(Beilstein-Institut zur Förderung der Chemischen Wissenschaften, 2018)Microstructured single- and double-layered sensor devices based on p-type hydrogen-terminated nanocrystalline diamond (NCD) films and/or n-type ZnO nanorods (NRs) have been obtained via a facile microwave-plasma-enhanced ... -
A High Sensitivity UV Photodetector With Inkjet Printed ZnO/Nanodiamond Active Layers
Autor: Náhlík J.; Laposa A.; Voves J.; Kroutil J.; Drahokoupil J.D.; Davydová M.D.
(IEEE Sensors Council, 2019)The single- and double-layered photodetectorsbased on ZnO and/or detonation nanodiamond (DND) have beendeveloped via a sequential inkjet printing on the interdigital elec-trode platform using a diamond and zinc ... -
Improvements in the Electrical Performance of IC MOSFET Components Using Diamond Layout Style Versus Traditional Rectangular Layout Style Calculated by Conformal Mapping
Autor: Barri D.; Vacula P.; Kotě V.; Jakovenko J.; Voves J.
(IEEE, 2019)In the first part of this article, we have proposed an innovative approach to improve the drain current model of the MOSFETs implemented with the diamond layout style (DLS), regarding the longitudinal corner effect (LCE). ... -
Inkjet Seeded CVD-Grown Hydrogenated Diamond Gas Sensor Under UV-LED Illumination
Autor: Laposa A.; Kroutil J.; Davydova M.; Taylor A.; Voves J.; Klimsa L.; Kopecek J.; Husák M.
(IEEE Sensors Council, 2020)Hydrogen-terminated diamond gas sensors have been prepared by selective deposition of nanodiamond ink using direct inkjet printing on interdigital electrodes, followed by chemical vapor deposition growth of a nanoctrystalline ... -
Investigation of sub-10nm Cylindrical Surrounding Gate Germanium Nanowire Field Effect Transistor with Different Cross-Section Areas.
Autor: Bayani A.; Dideban D.; Voves J.; Moezi N.
(Academic Press, 2017)Germanium nanowires (GeNWs) with different cross-sectional areas are considered as the channel of a cylindrical surrounding gate field effect transistors (CSGFETs) and the electronic properties of them are calculated through ... -
Low-resistance ohmic contacts on boron-doped {113} oriented homoepitaxial diamond layers
Autor: Hazdra P.; Laposa A.; Šobáň Z.; Voves J.; Lambert N.; Davydova M.; Povolný V.; Taylor A.; Mortet V.
(Elsevier Science, 2022)Refractory metals (titanium, molybdenum, and zirconium) with a gold overlayer were used to form ohmic contacts on {113}-oriented boron-doped diamond epitaxial layers. Morphology and thickness of deposited layers were ... -
Low-resistance ohmic contacts on boron-doped {113} oriented homoepitaxial diamond layers
Autor: Hazdra P.; Laposa A.; Šobáň Z.; Voves J.; Lambert N.; Davydova M.; Povolný V.; Taylor A.; Mortet V.
(Elsevier Science, 2022)Refractory metals (titanium, molybdenum, and zirconium) with a gold overlayer were used to form ohmic contacts on {113}-oriented boron doped diamond epitaxial layers (boron concentration ranging from 1019 to 1021 cm−3). ... -
Performance Evaluation of Low-Cost Flexible Gas Sensor Array with Nanocomposite Polyaniline Films
Autor: Kroutil J.; Laposa A.; Voves J.; Davydova M.; Náhlík J.; Kulha P.; Husák M.
(IEEE Sensors Council, 2018)The aim of this paper is to present the design of a sensor array based on a single substrate with various composite polymer films as active layers for gas detection. A low power, four element flexible sensor platform with ... -
Polyaniline emeraldine salt as an ammonia gas sensor - Comparison of quantum-based simulation with experiment
Autor: Šustková H.; Pošta A.; Voves J.
(Elsevier Science, 2019)Polyaniline as a conducting polymer is proposed to react with gas molecules and thus change its electrical conductivity. In this paper, a polyaniline molecule, in the form of emeraldine salt, and its electrical conductivity ... -
Power Diode Structures Realized on (113) oriented Boron Doped Diamond
Autor: Hazdra P.; Laposa A.; Šobáň Z.; Povolný V.; Voves J.; Lambert N.; Taylor A.; Mortet V.
(České centrum Institution of Engineering and Technology, 2023)The article deals with the preparation and characterization of ohmic contacts, pseudo-vertical, and vertical Schottky barrier diodes on (113) oriented boron doped diamond. -
Properties of boron-doped (113) oriented homoepitaxial diamond layers
Autor: Mortet V.; Taylor A.; Lambert N.; Gedeonová Z.; Fekete L.; Lorinčík J.; Klimša L.; Kopeček J.; Hubík P.; Šobáň Z.; Laposa A.; Davydova M.; Voves J.; Pošta A.; Povolný V.; Hazdra P.
(Elsevier Science, 2021)Although significant efforts have been dedicated to optimize the quality of epitaxial diamond layers, reported properties of diamond based electronic devices do not yet approach expected theoretical values. Recent works ...