Articole din publicaţii internaţionale: Recent submissions

  • UV-Blue and Green Electroluminescence from Cu-Doped ZnO Nanorod Emitters Hydrothermally Synthesized on p-GaN 
    LUPAN, O.; PAUPORTE, T.; VIANA, B.; URSAKI, V. V.; TIGINYANU, I. M.; SONTEA, V.; CHOW, L. (American Scientific Publishers, 2012)
    Aqueous solution synthesis of ZnO nanorods on p-GaN(0001) is a low-temperature (< 100 C) and cost-efficient growth technique of high quality emitters for LED applications. We present morphological, optical and structural ...
  • (CuO-Cu2O)/ZnO:Al heterojunctions for volatile organic compound detection 
    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.
  • 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 ...
  • Comparative study of hydrothermal treatment and thermal annealing effects on the properties of electrodeposited micro-columnar ZnO thin films 
    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 ...
  • Functionalized individual ZnO microwire for natural gas detection 
    CHAI, G. Y.; LUPAN, O.; RUSU, E. V.; STRATAN, G. I.; URSAKI, V. V.; SONTEA, V.; KHALLAF, H.; CHOW, L. (ELSEVIER, 2012)
    A single ZnO microwire detector for the monitoring of natural gas species is described. Single-crystal ZnO microwires were synthesized using a carbothermal reduction vapor phase transport method. It was characterized by ...
  • Multifunctional Materials: A Case Study of the Effects of Metal Doping on ZnO Tetrapods with Bismuth and Tin Oxides 
    POSTICA, Vasile; GRÖTTRUP, Jorit; ADELUNG, Rainer; LUPAN, Oleg; MISHRA, Abhishek Kumar; LEEUW, Nora H. de; ABABII, Nicolai; CARREIRA, José F. C.; RODRIGUES, Joana; SEDRINE, Nebiha Ben; CORREIA, Maria Rosário; MONTEIRO, Teresa; SONTEA, Victor; MISHRA, Yogendra Kumar (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2017)
    Hybrid metal oxide nano- and microstructures exhibit novel properties, which make them promising candidates for a wide range of applications, including gas sensing. In this work, the characteristics of the hybrid ZnOBi2O3 ...
  • Enhanced ethanol vapour sensing performances of copper oxide nanocrystals with mixed phases 
    LUPAN, Oleg; CRETU, Vasilii; POSTICA, Vasile; ABABII, Nicolai; POLONSKYI, Oleksandr; KAIDAS, Victor; SCHÜTT, Fabian; MISHRA, Yogendra K.; MONAICO, Eduard; TIGINYANU, Ion; SONTEA, Victor; STRUNSKUS, Thomas; FAUPEL, Franz; ADELUNG, Rainer (ELSEVIER, 2016)
    The present study reports on nano-crystalline copper oxide thin films via a simple synthesis from chemical solutions (SCS) followed by two types of thermal annealing, namely rapid thermal annealing (RTA) and conventional ...
  • Nanostructured zinc oxide films synthesized by successive chemical solution deposition for gas sensor applications 
    LUPAN, O.; CHOW, L.; SHISHIYANU, S.; MONAICO, E.; SHISHIYANU, T.; SONTEA, V.; ROLDAN CUENYA, B.; NAITABDI, A.; PARK, S.; SCHULTE, A. (ELSEVIER, 2009)
    Nanostructured ZnO thin films have been deposited using a successive chemical solution deposition method. The structural, morphological, electrical and sensing properties of the films were studied for different concentrations ...
  • Synthesis of nanostructured Al-doped zinc oxide films on Si for solar cells applications 
    LUPAN, O.; SHISHIYANU, S.; URSAKI, V.; KHALLAF, H.; CHOW, L.; SHISHIYANU, T.; SONTEA, V.; MONAICO, E.; RAILEAN, S. (ELSEVIER, 2009)
    Al-doped ZnO thin films have been prepared by a novel successive chemical solution deposition technique. The variation in morphological, structural, electrical, and optical properties of nanostructured films with doping ...
  • Synthesis and characterization of Cu-doped ZnO one-dimensional structures for miniaturized sensor applications with faster response 
    CHOW, L.; LUPAN, O.; CHAI, G.; KHALLAF, H.; ONO, K.; ROLDAN CUENYA, B.; TIGINYANU, I. M.; URSAKI, V. V.; SONTEA, V.; SCHULTE, A. (ELSEVIER, 2013)
    Detection of chemicals and biological species is an important issue to human health and safety. In this paper, we report the hydrothermal synthesis at 95°C of Cu-doped ZnO low-dimensional rods for room-temperature (RT) ...

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