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Browsing Facultatea Calculatoare, Informatică şi Microelectronică by Subject "zinc oxide"

Browsing Facultatea Calculatoare, Informatică şi Microelectronică by Subject "zinc oxide"

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  • Conductance and Photoconductance of Indium Oxide-Zinc Oxide Composites in the Hydrogen-Containing Atmosphere 
    ILIN, A. S.; FORSH, P. A.; IKIM, M. I.; KOROLEVA, A. V.; MARTYSHOV, M. N.; TRAKHTENBERG, L. I.; KASHKAROV, P. K. (Tehnica UTM, 2019)
    Photovoltaic properties of composites based on nanocrystalline indium and zinc oxides, promising as sensitive elements of gas sensors, were investigated. It is shown that under visible light the conductivity of composites ...
  • The effects of deposition potential and H2O2 concentration on electrochemically grown ZnO 
    BURLACU, Alexandru (Technical University of Moldova, 2009)
    This paper presents the results of electrochemical deposition of zinc oxide (ZnO) on zinc foil from zinc nitrate, zinc sulfate and hydrogen peroxide solutions. The equations of the chemical reactions taking place are ...
  • Effects of Heat Treatment on Palladium-doped Zinc Oxide on Sensory Selectivity 
    MAGARIU, N. (Tehnica UTM, 2019)
    In this paper I investigated the sensor response based on palladium-doped zinc oxide. How did the hydrogen and ethanol response change to a simple sensor that was not treated quickly and a heat treatment at 650 oC.
  • Enhanced efficiency of p-GaN/n-ZnO light-emitting diodes by using NiO and ZnSe interlayers 
    SIRKELI, V. P.; YILMAZOGLU, O.; KÜPPERS, F.; HARTNAGEL, H. L. (Technical University of Moldova, 2015)
    We report the results from numerical simulations of p-GaN/n-ZnO light-emitting diodes (LEDs) with different architectures. p-GaN/n-ZnO, p-GaN/p-NiO/n-ZnO, and p-GaN/p-NiO/n-ZnSe/n-ZnO LED structures have been examinated ...
  • Enhancement in Conductivity and Photoresponse of Ga Doped ZnO Nanofibers 
    MARTYSHOV, M. N.; ILIN, A. S.; PLATONOV, V. B.; FORSH, P. A.; KASHKAROV, P. K. (Tehnica UTM, 2019)
    Nanofibers ZnO and ZnO:Ga with a diameter of 100-250 nm were obtained by electrospinning. Introduction of Ga impurity at a concentration of 1 at. % leads to a significant increase in the conductivity of ZnO nanofibers. It ...
  • Gamma Radiation Sensitization of ZnO/Al2O3 Sensors Based on Nanoheterostructures 
    LUPAN, Cristian; BÎRNAZ, Adrian; BUZDUGAN, Artur; MAGARIU, Nicolae; LUPAN, Oleg (Springer Nature Switzerland, 2023)
    A study of the influence of gamma radiation on the electrical and sensing properties of ZnO/Al2O3 core@shell heterostructure has been carried out in this work. Using as radiation source Cs-137, a low level of ionizing ...
  • Lasing properties of ZnO nanostructures 
    ZALAMAI, V. (Technical University of Moldova, 2015)
    On the base of zinc oxide was developed solar cells, although it efficiency is lower then industrial one using cost effective and uncomplicated technology of chemical bath deposition (CBD) makes this material very perspective. ...
  • Luminescent Properties on ZnO:Cr Nanocrystals and Thin Layers 
    GOGLIDZE, T.; DEMENTIEV, I.; GONCEARENCO, E.; NEDEOGLO, N.; IURIEVA, T.; NEDEOGLO, D. (Tehnica UTM, 2019)
    Both undoped and chromium doped zinc oxide nanocrystal powders are obtained by chemical deposition and hydrothermal methods. ZnO and ZnO:Cr thin layers on the surface of ZnSe and ZnSe:Cr samples, respectively, are obtained ...
  • Metal oxide nanowires for photodetectors and light emitting diodes 
    LUPAN, Oleg (Technical University of Moldova, 2015)
    In this presentation will be overviewed various nano- and microscale device structures made on a single metal oxide nanowire (ZnO, SnO2, CuO, etc.), as well as the use of their arrays. Nanowires were grown by several ...
  • Morphological and Sensing Properties of the ZnO-Zn2SnO4 Ternary Phase Nanorod Arrays 
    LITRA, Dinu; LUPAN, Cristian; TJARDTS, Tim; QIU, Haoyi; ZADOROJNEAC, Tudor; MALAI, Dominic; SEREACOV, Alexandr; AKTAS, Cenk; SIEBERT, Leonard; LUPAN, Oleg (Springer Nature Switzerland, 2023)
    In this paper, the morphological and sensing properties of the Sn-doped ZnO-Zn2SnO4 nanorods obtained by the hydrothermal method are presented. The developed methodology exhibits high levels of efficiency and cost-effectiveness, ...
  • Nanostructurarea, doparea şi funcţionalizarea oxidului de zinc pentru dispozitive senzorice 
    POSTICA, Vasile (Universitatea Tehnică a Moldovei, 2016)
    Scopul lucrării constă in nanostructurarea, doparea și funcționalizarea nanostructurilor de oxid de zinc pentru elaborarea structurilor de senzori eficienți pentru aplicații multifuncționale (detectarea gazelor nocive/explozibile ...
  • Studiul interacţiunii celulelor vii cu nanoparticule în baza compuşilor semiconductori 
    PUTINĂ, Mihaela (Universitatea Tehnică a Moldovei, 2016)
    Scopul lucrării constă în obţinerea nanostructurilor de GaN avînd la bază ZnO nanostructurat obținut prin metoda hidrotermală. Nanostructurarea nitrurii de galiu pentru aplicaţiile biomedicale, are la bază studiul interacţiunii ...
  • Zinc Oxide and Gallium Nitride Nanoparticles Application in Biomedicine: A Review 
    COJOCARI, Ștefan; IGNATOV, O.; JIAN, M.; COBZAC, V.; BRANIȘTE, T.; MONAICO, E. V.; TARAN, A.; NACU, V. (Springer, Cham, 2022)
    Currently available data have a major impact on widening the applications area of zinc oxide (ZnO) and gallium nitride (GaN) nanoparticles (NPs). Being a new medical domain, nanomedicine shows a spectacular growth of ...
  • ZnO Nanometric Layers Used in Photovoltaic Cells 
    BOTNARIUC, V.; GORCEAC, L.; COVAL, A.; CINIC, B.; GAUGAS, P.; CHETRUS, P.; LUNGU, I.; RAEVSCHI, S. (Tehnica UTM, 2019)
    The ZnO thin layers were grown on glass, InP and pInP-nCdS substrates from zinc acetate dissolved in water-acetic acid-methanol solution having a molarity of 0.2 M by using the spray method in the argon flow in the temperature ...

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