Browsing by Subject "nanostructured films"

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  • Acetone Sensing Properties of Nanostructured Copper Oxide Films on Glass Substrate 
    CRETU, V.; ABABII, N.; POSTICA, V.; MAGARIU, N.; HOPPE, M.; VERJBITKI, V.; SONTEA, V.; ADELUNG, R.; LUPAN, O. (Tehnica UTM, 2019)
    Copper oxide nanostructured films were synthesized via a chemical synthesis (SCS) method and annealed in low vacuum. The morphological properties were investigated using scanning electron microscopy (SEM). The elaborated ...
  • Cathodoluminescence emission study of nanostructured SnO2 films deposited by spray pyrolysis 
    KOROTCENKOV, Ghenadie; HAN, S. D.; NAZAROV, Mihail (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2008)
    In this paper the results of cathodoluminescence (CL) emission study of undoped and doped SnO2 films are discussed. SnO2 films were deposited by spray pyrolysis method. It was shown that the study of CL emission is effective ...
  • Control of morphology and luminescense of nanostructured ZnO layers for lasing applications 
    BURLACU, Alexandru (Institutul de Inginerie Electronică şi Nanotehnologii "D. Ghiţu" al AŞM, 2016)
    A comparative analysis of various technological methods for the preparation of nanostructured ZnO films is performed in this work to identify technologies suitable for the development of laser structures. It is shown that ...
  • CuO/Cu2O Nanostructured Films for Gas Sensors 
    CRETU, Vasilii; ABABII, Nicolai; CHISTRUGA, Alexandru; MAGARIU, Nicolae; POSTICA, Vasile; LUPAN, Oleg (IEEE, 2019)
    The CuO/Cu 2 O nanostructured films were synthesized via a simple chemical solution based method (SCS). The morphological properties were investigated using a scanning electron microscope (SEM). The elaborated sensors based ...
  • Detectors based on Pd-doped and PdO-functionalized ZnO nanostructures 
    POSTICA, V.; LUPAN, O.; ABABII, N.; HOPPE, M.; ADELUNG, R.; CHOW, L.; SONTEA, V.; ASCHEHOUG, P.; VIANA, B.; PAUPORTÉ, Th. (SPIE, 2018)
    In this work, zinc oxide (ZnO) nanostructured films were grown using a simple synthesis from chemical solutions (SCS) approach from aqueous baths at relatively low temperatures (< 95 °C). The samples were doped with Pd ...
  • Effect of Al Sn — Doping on properties of zinc oxide nanostructured films grown by magnetron sputtering 
    GHIMPU, Lidia; TIGINYANU, Ion; LUPAN, Oleg; MISHRA, Yogendra Kumar; PAULOWICZ, Ingo; GEDAMU, Dawit; COJOCARU, Ala; ADELUNG, Rainer (IEEE, 2013)
    Metal doping in nanostructured zinc oxide is important for device applications. To obtain improved performances for practical applications, Aluminum (Al) and Tin (Sn)-doping in zinc oxide nanostructured layers were ...
  • Electrochemical synthesis and characterization of nanorods, nanocolumnar ceria – based thin films on different glass substrates 
    ČEROVIC, L.; LAIR, V.; LUPAN, O.; CASSIR, M.; RINGUEDE, A. (ELSEVIER, 2010)
    Nanorods, nanocolumnar-based ceria thin films were electrodeposited onto (FTO) or (ITO) glass substrates, at room temperature. Cubic fluorite type ceria nanostructured films of high crystal quality were synthesized on both ...
  • Enhancement in UV sensing properties of ZnO:Ag nanostructured films by surface functionalization with noble metalic and bimetallic nanoparticles 
    POSTICA, Vasile; VAHL, Alexander; MAGARIU, Nicolae; TERASA, Maik-Ivo; HOPPE, Mathias; VIANA, Bruno; ASCHEHOUG, Patrick; PAUPORTÉ, Thierry; TIGINYANU, Ion; POLONSKYI, Oleksandr; SONTEA, Victor; CHOW, Lee; KIENLE, Lorenz; ADELUNG, Rainer; FAUPEL, Franz; LUPAN, Oleg (Universitatea Tehnică a Moldovei, 2018)
    In this study, Ag-doped ZnO (ZnO:Ag) nanostructured films were functionalized with silver nanoparticles (Ag NPs), silver-platinum bimetallic nanoparticles (AgPt NPs) and silver-gold bimetallic NPs (AgAu NPs) using a gas ...
  • Evidence for the Concentration Induced Extinction of Gas Sensitivity in Amorphous and Nanostructured Te Thin Films 
    TSIULYANU, D.; MOCREAC, O.; ENACHI, M.; VOLODINA, G. (Technical University of Moldova, 2013)
    The extinction of sensitivity to nitrogen dioxide induced by high gas concentration have been observed in ultrathin tellurium films. The phenomenon becomes apparent in both continuous and nanostructured films shown by AFM, ...
  • Nanostructurarea, doparea şi funcţionalizarea oxidului de cupru pentru dispozitive senzorice 
    ABABII, Nicolai (Universitatea Tehnică a Moldovei, 2016)
    Scopul lucrării constă in nanostructurarea peliculelor de oxid de cupru, doparea cu diferite impurități și funcționalizarea lor pentru obținerea dispozitivelor senzorice.
  • Obţinerea şi cercetarea proprietăţilor peliculelor nanostructurate de SNO2 
    CIOBANU, Serghei (Universitatea Tehnică a Moldovei, 2016)
    Scopul lucrării constă în obtinerea peliculelor subtiri nanostructurate de oxid de staniu si optimizarea procesului ulterior de tratament termic pentru obtinerea fazei SnO2.
  • Pd-doped ZnO nanostructured films for multifunctional applications 
    POSTICA, Vasile; HOPPE, Mathias; ADELUNG, Rainer; PAUPORTÉ, Thierry; ABABII, Nicolai; TROFIM, Viorel; SONTEA, Victor; LUPAN, Oleg (Technical University of Moldova, 2017)
    In this work Pd-doped ZnO (ZnO:Pd) nanostructured films were deposited on pre-cleaned glass substrates via a synthesis from chemical solutions (SCS) approach from aqueous baths. The post-rowth thermal annealing, namely ...
  • Properties of ZnO:Fe nanostructured films grown by successive chemical synthesis 
    POSTICA, V.; HOPPE, M.; ABABII, N.; TROFIM, V.; RAILEAN, S.; ADELUNG, R.; LUPAN, O. (Institute of Electrical and Electronics Engineerings, IEEE, 2016)
    Rapid progress of nanotechnology in recent years and continuous minimization of portable devices created the necessity of multifunctional devices elaboration. In this work, the morphological, structural and sensing properties ...
  • The Reliability to Gamma Radiation of Gas Sensors Based on Nanostructured ZnO:Eu 
    LUPAN, Cristian; BÎRNAZ, Adrian; BUZDUGAN, Artur; ZIMOCH, Lukas; ADELUNG, Rainer; LUPAN, Oleg (Technical University of Moldova, 2022)
    In this work it was investigated the reliability to ionizing radiation of Eu-doped ZnO nanostructured films functionalized with Pd. Morphological, sensorial and electrical properties of sensors were studied initially, after ...
  • Synthesis of Ag-Doped ZnO Nanostructured Films for UV Photodetectors 
    POSTICA Vasile (Tehnica UTM, 2018)
    In this work, the Ag-doped ZnO nanostructured films were successfully synthesized via a simple chemical solution based method (SCS). The influence of post-growth thermal annealing, namely rapid thermal annealing (RTA) and ...
  • Tehnologie cu procesarea fototermică rapidă pentru senzori de gaze în baza semiconductorilor oxizi 
    ŞIŞIANU, T.; ŞIŞIANU, S.; LUPAN, O. (Editura U.T.M., 2004)
    În această lucrare se propune tehnologia cu procesare foto-termică rapidă (PFTR) pentru senzori de gaze în baza semiconductorilor oxizi: ZnO, Cu2O şi SiO2. Prin combinarea metodelor chimice de depunere a peliculelor, ...
  • Thin films of copper oxide nanostructured via rapid thermal processing 
    LUPAN, Cristian; CREȚU, Vasilii; MISHRA, Abhishek Kumar; MAGARIU, Nicolae; MANCIU, Nicolae; ABABII, Nicolai; MISHRA, Soni; RAILEAN, Serghei; ZIMOCH, Lukas; GALSTYAN, Vardan; HANSEN, Sandra; PAUPORTÉ, Thierry (Technical University of Moldova, 2022)
    Nanostructured copper oxide films were obtained by the method of chemical synthesis from solutions (SCS) and exposed to post-growth rapid thermal processing (RTP) in air at different temperatures to study the influence of ...
  • UV photodetector based on Ag-doped ZnO nanostructured films 
    POSTICA, Vasilie; CREŢU, Vasilii; TROFIM, Viorel; RAILEAN, Sergey; SONTEA, Victor; LUPAN, Oleg (Institutul de Fizică Aplicată al AŞM, 2014)
    In this work, we present an UV detector based on nanostructured films of Ag-doped ZnO deposited using successive chemical synthesis SCS method. By varying duration and temperature of thermal annealing in furnace (TA) and ...
  • ZnO single crystal and epitaxial thin film studied by second harmonic generation and photoluminescence 
    BUINITSKAYA, G.; KULYUK, L.; MIROVITSKII, V.; RUSU, E.; MISHINA, E.; SHERSTYUK, N. (Elservier, 2006)
    Zinc oxide thin nanostructured film and single crystal were studied by photoluminescence (PL) and optical second harmonic generation (SHG). The single crystal reveals a strong blue excitonic luminescence, while for thin ...

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