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Browsing Articole din publicaţii internaţionale by Author "TIGINYANU, I."

Browsing Articole din publicaţii internaţionale by Author "TIGINYANU, I."

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  • 11 - Ultra-thin membranes for sensor applications 
    TIGINYANU, I.; URSAKI, V.; POPA, V. (Woodhead Publishing, 2011)
    Technological approaches for the fabrication of ultra-thin membranes for sensor applications are reviewed, with the main focus on graphene and two-dimensional (2D) sheets of layered compounds such as BN, MoS2, Bi2Te3, ...
  • Doping Effects on Optical Properties of Low Temperature Grown ZnO Nanorod Arrays 
    LUPAN, O.; TIGINYANU, I.; URSAKI, V.; CHOW, L. (NSTI, 2010)
    In this work, we explore the influence of Ag dopant concentration on the structural and optical properties of ZnO nanorods synthesized by hydrothermal technique. We present original results of a systematic investigation ...
  • Effect of Sn Dopant on the Properties of ZnO Nanorod Arrays 
    LUPAN, O.; CHOW, L.; URSAKI, V.; MONAICO, E.; TIGINYANU, I.; SHISHIYANU, S.; SHISHIYANU, T.; PARK, S.; SCHULTE, A. (Institute of Electrical and Electronics Engineerings, IEEE, 2007)
    Sn-doped ZnO nanorod arrays were synthesized by a novel method combining the aqueous solution process with post-growth rapid photothermal processing (RPP). The post-growth RPP of Sn-doped ZnO nanostrnctures at 700 degC in ...
  • Hybridization of Zinc Oxide Tetrapods for Selective Gas Sensing Applications 
    LUPAN, O.; POSTICA, V.; GRÖTTRUP, J.; MISHRA, A. K.; DE LEEUW, N. H.; CARREIRA, J. F. C.; RODRIGUES, J.; BEN SEDRINE, N.; CORREIA, M. R.; MONTEIRO, T.; CRETU, V.; TIGINYANU, I.; SMAZNA, D.; MISHRA, Y. K.; ADELUNG, R. (American Chemical Society, 2017)
    In this work, the exceptionally improved sensing capability of highly porous three-dimensional (3-D) hybrid ceramic networks toward reducing gases is demonstrated for the first time. The 3-D hybrid ceramic networks are ...
  • Influence of CuO nanostructures morphology on hydrogen gas sensing performances 
    LUPAN, O.; POSTICA, V.; ABABII, N.; HOPPE, M.; CRETU, V.; TIGINYANU, I.; SONTEA, V.; PAUPORTÉ, Th.; VIANA, B.; ADELUNG, R. (ELSEVIER, 2016)
    In this study, the impact of different morphologies of p-type copper oxide nanostructures on hydrogen gas response is investigated. Sensor structures based on CuO nanowire (NW) networks demonstrated much higher gas response ...
  • Integration of Ge Nanowire Arrays in Glass Micro-Fibers 
    IOISHER, A.; BADINTER, E.; MONAICO, E.; POSTOLACHE, V.; HARTNAGEL, H. L.; LEPORDA, N.; TIGINYANU, I. (Institute of Applied Physics, Academy of Sciences of Moldova, Chisinau, Republic of Moldova, 2011)
    We report on a technological route for the integration of large arrays of Ge nanowires (NWs) in a human-hair-like glass micro-fiber, the length of the micro-fiber reaching one meter. The route comprises (a) the formation ...
  • Investigation of optical properties and electronic transitions in bulk and nano-microribbons of molybdenum trioxide 
    LUPAN, O; TROFIM, V.; CRETU, V.; STAMOV, I.; SYRBU, N. N.; TIGINYANU, I.; MISHRA, Y. K.; ADELUNG, R. (IOP Publishing, 2014)
    In this work, we report on crystalline quality and optical characteristics of molybdenum trioxide (MoO3) bulk and nano-microribbons grown by rapid thermal oxidation (RTO). The developed RTO procedure allows one to synthesize ...
  • Magnetic properties of microwires and filiform nanostructures with elongated magnetic inclusions 
    ALEINICOV, E.; IOISHER, A.; MAKHNOVSKIY, D.; POSTOLACHE, V.; TIGINYANU, I.; URSAKI, V. (Springer Nature Switzerland, 2016)
    We developed technological procedures for preparation of filiform nanostructures (FNSs) on the basis of stretching microwires with magnetic material cores. It is shown that disruptions of the microwire core occur for these ...
  • Magnetron Sputtering and Characterization of Doped Zinc Oxide Nanofibrous Films and Their Applications 
    LUPAN, O.; GHIMPU, L.; REIMER, T.; HOPPE, M.; PAULOWICZ, I.; GEDAMU, D.; MISHRA, Y. K.; HAMMERICH, D.; CHEMNITZ, S.; CRETU, V.; TIGINYANU, I.; ADELUNG, R. (American Scientific Publishers, 2014)
    We report on the role played by different types of dopants, namely, Tin and Aluminum on the properties of zinc oxide nanofibrous films prepared by RF magnetron sputtering on substrates in pure Argon atmosphere. The influence ...
  • Nanofibrous zinc oxide films synthesized by magnetron sputtering 
    GHIMPU, L.; LUPAN, O.; POPESCU, S.; URSAKI, V.; TIGINYANU, I.; CHOW, L.; CHAI, G.; PARK, S.; SCHULTE, A. (IEEE, 2011)
    ZnO nanofibrous-based materials required for sensors and dye-solar cells have been grown on tin oxide/glass substrates by magnetron sputtering. Synthesis regimes have been identified that give nanoporous and nanofibrous ...
  • Nanoimprint lithography (NIL) and related techniques for electronics applications 
    TIGINYANU, I.; URSAKI, V.; POPA, V. (Woodhead Publishing, 2011)
    This chapter provides a review of nanoimprint lithography techniques, highlighting their potential to surpass photolithography in resolution, and, at the same time, to allow mass fabrication at a lower cost. The current ...
  • Nanostructured Polymer/CdS Photoluminescent Thin Films 
    IOVU, M.; TIGINYANU, I.; CULEAC, I.; ROBU, S.; NISTOR, Iu.; DRAGALINA, G.; ENACHI, M.; PETRENKO, P. (American Scientific Publishers, 2012)
    We present here experimental results on polymer-based nanocomposite material made of styrene with butyl methacrylate (SBMA) (1:1), isothiocyanato-chalcone (ITCC) and inorganic semiconductor CdS. The concentration of CdS ...
  • The oxide layers deposition on III – V semiconductor nanoporous materials 
    DIKUSAR, A.; SIMASHKEVICH, A.; SHERBAN, D.; MONAICO, E.; BRUK, L.; USATII, Yu.; TIGINYANU, I. (Institutul de Fizică Aplicată, AŞM, 2006)
    The peculiarities of the deposition process in dependence of the porous layer thickness were investigated. The porous layers of III-V semiconductor n-InP have been obtained by the anodic dissolution in 5% HCl. The diameter ...
  • Photocatalytic degradation of organic dyes using TiO2 nanotube arrays and aero-ZnO- ZnS under UV and visible light illumination 
    PLESCO, I.; CIOBANU, V.; BRANISTE, T.; DUTTA, J.; TIGINYANU, I. (IEEE, 2020)
    We report on the results of comparative study of the photocatalytic performances of the wide band gap semiconductor catalysts titania (TiO2), zinc oxide (ZnO) and mixed phase of ZnO-ZnS (zinc sulfide). The mixed phase ...
  • Processing-Induced Modification of Photo- and Cathodoluminescence Spectra of TiO2 Nanotubes 
    ENACHI, M.; STEVENS-KALCEFF, M.; BURLACU, A.; TIGINYANU, I.; URSAKI, V. (The Electrochemical Society, 2012)
    Cathodoluminescence and photoluminecsence are investigated in titanium dioxide nanotubes (TiO2 NTs) produced in an ethylene glycol based electrolyte with the variation of the temperature of the electrolyte which allows the ...
  • A rapid hydrothermal synthesis of rutile SnO2 nanowires 
    CRETU, V.; POSTICA, V.; MISHRA, A. K.; HOPPE, M.; TIGINYANU, I.; MISHRA, Y. K.; CHOW, L.; DE LEEUW, Nora H.; ADELUNG, R.; LUPAN, O. (The Royal Society of Chemistry, 2016)
    Synthesis, characterization and DFT studies of zincdoped copper oxide nanocrystals for gas sensing applications Due to their unique properties, p-type copper oxide nanostructures have demonstrated promising potential for ...
  • Rapid photothermal processing for functionalization of nanostructured thin films 
    SHISHIYANU, S.; URSAKI, V. V.; GHIMPU, L.; LUPAN, O.; TIGINYANU, I.; SHISHIYANU, T. (Institute of Electrical and Electronics Engineerings, IEEE, 2011)
    A rapid photothermal processing (RPP) technique has been developed to functionalize a new generation of nanostructured zinc oxide film materials. An environment-friendly chemical process was used to obtain nanostructures. ...
  • Rapid synthesis and characterization of micro and nanostructures of molybdenum trioxide 
    TROFIM, V.; CRETU, V.; LUPAN, O.; ENACHI, M.; MONAICO, E.; SYRBU, N.; TIGINYANU, I.; CHOW, L. (Institute of Electrical and Electronics Engineerings, IEEE, 2013)
    Micro - and nanostructures of molybdenum trioxide (MoO3) have been investigated intensively for sensorial and electrochromic systems. MoO3 nanostructures were grown by a rapid thermal oxidation of molybdenum at 1000 °C in ...
  • Renormalization of the Coulomb law in anomalous electron transport with giant current density at room temperature 
    SERGENTU, V.; TIGINYANU, I.; URSAKI, V. (Editura Academiei Romane, 2013)
    We propose an explanation of anomalous electron transport with giant current density at room temperature as a manifestation of high-temperature superconductivity in artificial periodic lattices of metallic nanospheres. The ...
  • Self-Assembled Monolayer of Au Nanodots Deposited on Porous Semiconductor Structures 
    TIGINYANU, I.; MONAICO, E.; NIELSCH, K. (The Electrochemical Society, 2015)
    We demonstrate the possibility to cover the surface of GaP and InP porous structures by a self-assembled monolayer of electrochemically deposited nanoscale Au nanodots. After nucleation, each dot was found to increase in ...

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