Browsing by Subject "nanomaterials"

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  • Photocatalytic degradation of tetracycline using Aero-TiO2 
    CIOBANU, Vladimir; GALATONOVA, Tatiana (Technical University of Moldova, 2024)
    In this work, a novel nanomaterial composed of TiO2 hollow microtetrapods with a wall thickness of only 50 nm, with ZnTi3O8 intrusions is fabricated by Atomic Layer Deposition technique 6 and its photocatalytic performance ...
  • Photoelectric Converters: Current State Analysis and Prospects of Evolution 
    YAKIMENKO, Y. I.; MLADENOV, G. M.; SPIVAK, V. M.; BOGDAN, A. V.; KOVAL, V. M. (Technical University of Moldova, 2011)
    This review provides the analysis of current state and prospects of evolution of photoelectric converters (PEC). There are shown the directions, ways and means of PEC research and development. It is discussed the state of ...
  • Photoinduced modification of surface states in nanoporous InP observed by terahertz spectroscopy 
    LLOYD-HUGHES, James; MUELLER, Susanne; SCALARI, Giacomo; BISHOP, Hugh; CROSSLEY, Alison; ENACHI, Mihai; SIRBU, Lilian; TIGINYANU, Ion (American Physical Society, 2012)
    A precise control of the surface properties of semiconductor nanomaterials is vital for their functionality and use in many opto-electronic applications. Terahertz time-domain spectroscopy allows the non-contact investigation ...
  • Physics, chemistry and biology of functional nanostructures II 
    SIDORENKO, Anatolie S. (Beilstein Institut, 2014)
    The conceptual idea of this Thematic Series saw the light of day at the international conference bearing the “NANO” logo, which took place in September 2013 in Chisinau, Moldova (NANO-2013). A variety of technological ...
  • Preparation and characterization of Ga2O3 and GaN nanoparticles 
    RUSU, E.; URSAKI, V.; RAEVSCHI, S.; VLAZAN, P. (Society of Photo-Optical Instrumentation Engineers, SPIE, 2015)
    In this communication, we present results on preparation of GaN nanoparticles by conversion of Ga2O3 nanocrystals in a flow of NH3 and H2. The monoclinic Ga2O3 nanoparticles have been prepared by hydrothermal method with ...
  • Proiectarea și realizarea robotului SCS 
    BÎRNAZ, Adrian (Universitatea Tehnică a Moldovei, 2022)
    Scopul lucrării elaborarea unui robot SCS care va avea ca menire creșterea din soluții chimice a unor pelicule subțiri din oxizi de metale în mod automat. Metodologia cercetării științifice se bazează pe partea practică ...
  • Properties of a single SnO2:Zn2SnO4 – Functionalized nanowire based nanosensor 
    LUPAN, Oleg; WOLFF, Niklas; POSTICA, Vasile; BRANISTE, Tudor; PAULOWICZ, Ingo; HRKAC, Viktor; MISHRA, Yogendra Kumar; TIGINYANU, Ion; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2018)
    Tin oxide nanowires (SnO2 NWs) exhibit large potential for applications in sensor and detector technology. Using a flame transport synthesis method, high-quality single crystalline SnO2 nanowires (NWs) with Zn2SnO4 dots ...
  • Sensing performance of CuO/Cu2O/ZnO:Fe heterostructure coated with thermally stable ultrathin hydrophobic PV3D3 polymer layer for battery application 
    SCHRÖDER, S.; ABABII, N.; LUPAN, O.; DREWES, J.; MAGARIU, N.; KRÜGER, H.; STRUNSKUS, T.; ADELUNG, R.; HANSEN, S.; FAUPEL, F. (Elsevier, 2022)
    This study reports on a new type of moisture protected gas sensor, which is capable to solve this problem. Sensitive nano-materials of CuO/Cu2O/ZnO:Fe heterostructures are grown and subsequently coated with an ultrathin ...
  • Spirulina biomass containing silver nanoparticles – raw and safe material for the development of multipurpose remedies 
    CHIRIAC, T.; RUDI, L.; CEPOI, L.; CHIRIAC, V.; ROTARI, I.; VALUTA, A.; DJUR, S.; TASCA, I. (Institute of Microbiology and Biotechnology, Republic of Moldova, 2022)
    Cyanobacterium Arthrospira platensis (Spirulina) is well known as one of the most industrially used sources of various biomolecules with distinct biological properties. A number of nanoparticles, especially silver ...
  • Study of a New Colloidal Composite: Polymer-Magnetite Particles/Lyotropic Liquid Crystal 
    MAXIMEAN, D. Mănăilă; DĂNILĂ, O.; ŞTEFĂNESCU, B.; BENA, R.; ROŞU, C.; DONESCU, D.; EUGENIU, V. (Tehnica UTM, 2015)
    Liquid crystals/magnetic particles composites have been shown to exhibit very interesting behaviors when subjected to different external fields, finding new applications in the field of functional nanomaterials. We present ...
  • Synthesis and Characterization of Functional Nanostructured Metal Oxide Thin Films 
    CHOW, Lee; SHISHIYANU, S.; LUPAN, Oleg; SHISHIYANU, Teodor (ECS - The Electrochemical Society, 2006)
    The nanomaterials are obtained to analyze the physical and structural requirements of their applications in gas sensors and solar cells. This claim is sustained by a model of the nucleation and growth processes through the ...
  • TiO2/Cu2O/CuO Multi-Nanolayers as Sensors for H2 and VOCs: An Experimental and Theoretical Investigation 
    LUPAN, Oleg; SANTOS-CARBALLAL, David; ABABII, Nicolai; MAGARIU, Nicolae; HANSEN, Sandra; VAHL, Alexander; ZIMOCH, Lukas; HOPPE, Mathias; PAUPORTE, Thierry; GALSTYAN, Vardan; SONTEA, Victor; CHOW, Lee; FAUPEL, Franz; ADELUNG, Rainer; LEEUW de, Nora H.; COMIN, Elisabetta (American Chemical Society, 2021)
    Highly sensitive TiO2/Cu2O/CuO multi-nanolayers have been grown in various thicknesses by a cost-effective and reproducible combined spray-sputtering-annealing approach. The ultra-thin TiO2 films were deposited by spray ...
  • TiO2/Cu2O/CuO Multi-Nanolayers as Sensors for H2 and Volatile Organic Compounds: An Experimental and Theoretical Investigation 
    LUPAN, Oleg; SANTOS-CARBALLAL, David; ABABII, Nicolai; MAGARIU, Nicolae; HANSEN, Sandra; VAHL, Alexander; ZIMOCH, Lukas; HOPPE, Mathias; PAUPORTÉ, Thierry; GALSTYAN, Vardan; SONTEA, Victor; CHOW, Lee; FAUPEL, Franz; ADELUNG, Rainer; de LEEUW, Nora H.; COMINI, Elisabetta (American Chemical Society, 2021)
    TiO2/Cu2O/CuO multi-nanolayers highly sensitive toward volatile organic compounds (VOCs) and H2 have been grown in various thicknesses by a cost-effective and reproducible combined spray–sputtering–annealing approach. The ...
  • Zinc Oxide Nanostructures – Current Status 
    LUPAN, O.; SONTEA, V.; CRETU, V.; RAILEAN, S.; TROFIM, V. (Kyiv Polytechnic Institute, 2012)
    Development of ZnO nanostructures is of great importance for industrial applications. We analyze synthesis and properties control of zinc oxide, which are important in understanding the growth mechanism and further developing ...

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