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Browsing Articole din publicaţii internaţionale by Author "PARK, S."

Browsing Articole din publicaţii internaţionale by Author "PARK, S."

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  • Biopolymer-assisted self-assembly of ZnO nanoarchitectures from nanorods 
    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 ...
  • Characterization of gallium-doped CdS thin films grown by chemical bath deposition 
    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 ...
  • 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 ...
  • Effect of synthesis conditions on the growth of ZnO nanorods via hydrothermal method 
    POLSONGKRAM, D.; CHAMNINOK, P.; PUKIRD, S.; CHOW, L.; LUPAN, O.; CHAI, G.; KHALLAF, H.; PARK, S.; SCHULTE, A. (ELSEVIER, 2008)
    ZnO nanorods with hexagonal structures were synthesized by a hydrothermal method under different conditions. The effect of synthesis conditions on ZnO nanorod growth was systematically studied by scanning electron microscopy. ...
  • Electric Field Assisted-Assembly of Perpendicular Oriented ZnO Nanorods on Si Substrate 
    LUPAN, O.; CHOW, L.; CHAI, G.; PARK, S.; SCHULTE, A. (NSTI, 2008)
    In this work, we report a new electric-field assisted assembly technique used to vertically-align ZnO nanorods on the Si substrate during their growth. In the assembly process, the forces that induce the alignment are a ...
  • Growth of tetragonal SnO2 microcubes and their characterization 
    LUPAN, O.; CHOW, L.; CHAI, G.; HEINRICH, H.; PARK, S.; SCHULTE, A. (ELSEVIER, 2008)
    Single-crystalline SnO2 microcubes were grown using the hydrothermal method without any catalyst. X-ray diffraction (XRD) patterns and energy dispersive X-ray (EDX) analysis verified that the cubes are tin dioxide SnO2. ...
  • In-situ boron doping of chemical-bath deposited CdS thin films 
    KHALLAF, Hani; CHAI, Guangyu; LUPAN, Oleg; CHOW, Lee; HEINRICH, Helge; PARK, S.; SCHULTE, Alfons (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2009)
    In-situ boron doping of CdS using chemical-bath deposition (CBD) is reported. The effect of B doping on optical properties, as well as electrical properties, crystal structure, chemistry, and morphology of CdS films is ...
  • Investigation of tin oxide nanobelts/nanoribbons prepared by chemical deposition technology 
    LUPAN, O.; CHOW, L.; CHAI, G.; SCHULTE, A.; PARK, S.; HEINRICH, H.; SONTEA, V.; TROFIM, V.; RAILEAN, S. (Institute of Electrical and Electronics Engineerings, IEEE, 2008)
    A facile aqueous solution process to fabricate tin oxide nanoarchitectures was successfully developed. The influence of precursors on the morphology of SnO2 is studied. Tin oxide nanobelts/nanoribbons were characterized ...
  • Investigation of zinc oxide nanostructures prepared by chemical deposition and rapid photo-thermal processing technology 
    LUPAN, O.; SHISHIYANU, S.; CHOW, L.; SHISHIYANU, T.; SONTEA, V.; MONAICO, E.; SCHULTE, A.; PARK, S. (IEEE, 2007)
    A novel and efficient low-temperature aqueous chemical method has been used to synthesize a new generation of smart and functional zinc oxide nanomaterials. The ZnO nanostructures are obtained and the physical and structural ...
  • Microsensor on single ZnO microwire 
    CHAI, G.; RUSU, E.; CHOW, L.; STRATAN, G. I.; HEINRICH, H.; PARK, S.; SCHULTE, A.; LUPAN, O.; TROFIM, V.; RAILEAN, S. (Institute of Electrical and Electronics Engineerings, IEEE, 2009)
    For development of individual ZnO microwire in hydrogen sensors an environmentally benign synthesis process and fabrication route are required. Here we report a synthesis route for ZnO microwires using vapour phase process. ...
  • 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 ...
  • 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 ...
  • A rapid hydrothermal synthesis of rutile SnO2 nanowires 
    LUPAN, O.; CHOW, L.; CHAI, G.; SCHULTE, A.; PARK, S.; HEINRICH, H. (ELSEVIER, 2009)
    Tin oxide (SnO2) nanowires with rutile structure have been synthesized by a facile hydrothermal method at 98°C. The morphologies and structural properties of the as-grown nanowires/nanoneedles were characterized by scanning ...
  • Rapid hydrothermal synthesis of zinc oxide nanorods on single crystal sapphire substrate 
    LUPAN, O.; CHOW, L.; RUDZEVICH, Y.; LIN, Y.; PARK, S.; SCHULTE, A.; MONAICO, E.; GHIMPU, L.; SONTEA, V.; TROFIM, V.; RAILEAN, S.; CRETU, V.; POCAZNOI, I. (IEEE, 2011)
    For development of ZnO nanorods-based heterostructures an environmentally benign synthesis process and fabrication route are required. Zinc oxide nanorod arrays have been grown on (0001) sapphire substrates by a rapid ...
  • Synthesis of one-dimensional SnO2 nanorods via a hydrothermal technique 
    LUPAN, O.; CHOW, L.; CHAI, G.; HEINRICH, H.; PARK, S.; SCHULTE, A. (ELSEVIER, 2009)
    We have developed a simple solution process to synthesize tin oxide nanorods. The influence of precursors and the reaction temperature on the morphology of SnO2 is investigated. SnO2 nanorods are characterized by X-ray ...

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