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Browsing Articole din publicaţii internaţionale by Title

Browsing Articole din publicaţii internaţionale by Title

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  • LUPAN, O.; CHOW, L.; CHAI, G.; SCHULTE, A.; PARK, S.; LOPATIUK-TIRPAK, O.; CHERNYAK, L.; HEINRICH, H. (ELSEVIER, 2008)
    We have investigated three-dimensional (3-D) architectures–microspheres and radial structures–based on biopolymer-assisted self-assembly from one-dimensional ZnO nanorods. The developed method is simple, rapid and ...
  • SMAZNA, Daria; RODRIGUES, Joana; SHREE, Sindu; POSTICA, Vasile; NEUBÜSER, Gero; MARTINS, A. F.; BEN SEDRINE, N.; JENA, Naresh K.; SIEBERT, Leonard; SCHÜTT, Fabian; LUPAN, Oleg; AHUJA, Rajeev; CORREIA, M. R.; MONTEIRO, Teresa; KIENLE, Lorenz; YANG, Ya; ADELUNG, Rainer; MISHRA, Yogendra Kumar (The Royal Society of Chemistry, 2018)
    Buckminster fullerene (C60) based hybrid metal oxide materials are receiving considerable attention because of their excellent fundamental and applied aspects, like semiconducting, electron transfer, luminescent behaviors, ...
  • RADU, Oxana; DIMOVA, Olga; POPOVICI, Cristina; BAERLE, Alexei (National University of Food Technologies, Kiev, 2017)
    The ratio of unsaturated/saturated fatty acids in cold pressed walnut oil (Juglans Regia L.) is twice as high as in olive one [1, 2]. The degradation rate of vegetable oils rich in polyunsaturated fatty acids can be reduced ...
  • KHALLAF, Hani; CHAI, Guangyu; LUPAN, Oleg; CHOW, Lee; PARK, S.; SCHULTE, Alfons (ELSEVIER, 2009)
    Ga-doped CdS thin films, with different [Ga]/[Cd] ratios, were grown using chemical bath deposition. The effect of Ga-doping on optical properties and bandgap of CdS films is investigated. Resistivity, carrier density, and ...
  • RUDZEVICH, Yauheni; LIN, Yuqing; WEARNE, Adam; ORDONEZ, Antonio; LUPAN, Oleg; CHOW, Lee (ELSEVIER, 2014)
    The ability to precisely count inorganic and organic nanoparticles and to measure their size distribution plays a major role in various applications such as drug delivery, nanoparticles counting, and many others. Here we ...
  • KHALLAF, Hani; CHEN, Chia-Ta; CHANG, Liann-Be; LUPAN, Oleg; DUTTA, Aniruddha; HEINRICH, Helge; HAQUE, Firoze; DEL BARCO, Enrique; CHOW, Lee (ELSEVIER, 2012)
    A new approach of chemical bath deposition (CBD) of SnO2 thin films is reported. Films with a 0.2μm thickness are obtained using the multi-dip deposition approach with a deposition time as little as 8–10min for each dip. ...
  • LUPAN, O.; PAUPORTÉ, T.; TIGINYANU, I. M.; URSAKI, V. V.; SONTEA, V.; ONO, L. K.; ROLDAN CUENYA, B.; CHOW, L. (ELSEVIER, 2011)
    We report a comparison of the role played by different sample treatments, namely, a low-temperature hydrothermal treatment by hot H2O vapor in an autoclave versus thermal annealing in air on the properties of ZnO films ...
  • LUPAN, O.; PAUPORTÉ, T.; CHOW, L.; CHAI, G.; VIANA, B.; URSAKI, V. V.; MONAICO, E.; TIGINYANU, I. M. (ELSEVIER, 2012)
    Hydrothermal synthesis and electrodeposition are low-temperature and cost-effective growth techniques of high quality nanostructured active materials for opto-electronic devices. Here we report a hydrothermal seed layer-free ...
  • LUPAN, Oleg; VIANA, Bruno; PAUPORTE, Thierry; DHAOUADI, Maroua; PELLE, Fabienne; DEVYS, Lucie; GACOIN, Thierry (American Chemical Society, 2013)
    Europium (Eu):Y2O3-nanoparticles/Mg:ZnO-nanowires/p-GaN and (Eu):chelate-based light-emitting diode (LED) structures have been fabricated, showing controlled mixed near-UV, violet, and red electroluminescence from trivalent ...
  • LUPAN, O.; SONTEA, V.; RAILEAN, S.; POCAZNOI, I.; CHOW, L. (Видавництво Львівської політехніки, 2012)
    In this paper we present an experimental approach to study copper and magnesium-doped zinc oxide nanorods and their integration in wavelength-tunable light-emitting diodes (LEDs).
  • LUPAN, Oleg; CRETU, Vasilii; SONTEA, Victor; RAILEAN, Serghei; GHIMPU, Lidia; TIGINYANU, Ion; RUDZEVICH, Yauheni; LIN, Yuqing; CHOW, Lee (IEEE, 2013)
    Detection of hydrogen gas is important for safety reasons. To obtain improved hydrogen sensing performances for miniaturized sensors, copper doping in zinc oxide micro- and nanostructures were investigated. Samples were ...
  • STRATAN, Alexandru; MANOLE, Tatiana (Institute of Society Transformation, Ukraine, 2018)
    Costs always stay in the focus of financial managers, being an important indicator with a degrading impact on the benefit of the entity. The authors review the evolution of costs: from actual costs to standard activity-based ...
  • CHAI, Guangyu; LUPAN, Oleg; CHOW, Lee; HEINRICH, Helge (ELSEVIER, 2009)
    An ultraviolet photosensor has been successfully constructed by the in situ lift-out method in a focused ion beam system. The prototype consists of individual naturally self-assembled crossed ZnO nanorods grown by an aqueous ...
  • HOPPE, Mathias; ABABII, Nicolai; POSTICA, Vasile; LUPAN, Oleg; POLONSKYI, Oleksandr; SCHÜTT, Fabian; KAPS, Sören; SUKHODUB, Leonid F.; SONTEA, Victor; STRUNSKUS, Thomas; FAUPEL, Franz; ADELUNG, Rainer (ELSEVIER, 2018)
    In this work, a simple and cost-effective method to synthesize a multilayered (CuO-Cu2O)/ZnO:Al nanostructured film forming non-planar heterojunctions for efficient detection of volatile organic compound vapors is presented.
  • POSTICA, V.; LUPAN, O.; SONTEA, V.; TROFIM, V.; SCHÜTT, F.; SMAZNA, D.; MISHRA, Y. K.; ADELUNG, R. (IEEE, 2017)
    In this work, the UV detection properties of ZnO tetrapod (ZnO-T) networks functionalized with carbon nanotubes (CNTs), as well as for individual ZnO-T-CNT are reported. The ZnO-T networks were fabricated via a flame ...
  • 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 ...
  • CRETESCU, Igor; CRACIUN, Ioan; BENCHEA, Roxana Elena; KOVÁCS, Zsofia; IAVORSCHI, Anatolie; SONTEA, Victor; MACOVEANU, Matei (“Gheorghe Asachi” Technical University of Iasi, Romania, 2013)
    The paper presents and discusses some aspects concerning the development of an expert system designed for surface water monitoring in the context of sustainable management of water resources in Romania and neighboring countries.
  • MISHRA, Yogendra Kumar; MODI, Gaurav; CRETU, Vasilii; POSTICA, Vasile; LUPAN, Oleg; REIMER, Tim; PAULOWICZ, Ingo; HRKAC, Viktor; BENECKE, Wolfgang; KIENLE, Lorenz; ADELUNG, Rainer (American Chemical Society, 2015)
    Here, we demonstrate the versatile and single-step synthesis of ZnO-T with different arm morphologies by a simple flame transport synthesis (FTS) approach, forming a network. Morphological evolutions and structural intactness ...
  • LUPAN, O.; CHOW, L.; RAILEAN, S.; SONTEA, V.; POCAZNOI, I. (Institute of Electronic Engineering and Nanotechnologies “D.GHITU” ASM, 2011)
    We present an experimental approach to study magnesium and cadmium-alloyed zinc oxide nanorods and their integration in wavelength-tunable light-emitting diodes (LEDs) Doped zinc oxide were deposited on p-GaN substrates ...
  • ABABII, Nicolai; HOPPE, Mathias; SHREE, Sindu; VAHL, Alexander; ULFA, Maria; PAUPORTÉ, Thierry; VIANA, Bruno; CRETU, Vasilii; MAGARIU, Nicolae; POSTICA, Vasile; SONTEA, Victor; TERASA, Maik-Ivo; POLONSKYI, Oleksandr; FAUPEL, Franz; ADELUNG, Rainer; LUPAN, Oleg (ELSEVIER, 2019)
    In this paper, the effect of the thickness of nano-structured TiO2 thin films (12–40nm) and successive deposition of different noble metal nanoparticles on the performances of propanol vapor and H2 gas sensors was investigated. ...

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