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Browsing Articole din publicaţii internaţionale by Author "HEINRICH, H."

Browsing Articole din publicaţii internaţionale by Author "HEINRICH, H."

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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 ...
  • Effects of annealing on properties of ZnO thin films prepared by electrochemical deposition in chloride medium 
    LUPAN, O.; PAUPORTÉ, T.; CHOW, L.; VIANA, B.; PELLÉ, F.; ONO, L. K.; CUENYA, B. Roldan; HEINRICH, H. (ELSEVIER, 2010)
    The development of cost-effective and low-temperature synthesis techniques for the growth of high-quality zinc oxide thin films is paramount for fabrication of ZnO-based optoelectronic devices, especially ultraviolet ...
  • Fabrication and characterization of an individual ZnO microwire-based UV photodetector 
    CHAI, G. Y.; CHOW, L.; LUPAN, O.; RUSU, E.; STRATAN, G. I.; HEINRICH, H.; URSAKI, V. V.; TIGINYANU, I. M. (ELSEVIER, 2011)
    In this paper, a single ZnO microwire-based photodetector for the monitoring of ultraviolet (UV) radiation is described. Single crystal ZnO microwires were synthesized using a chemical vapor deposition (CVD) on the Si or ...
  • Fabrication and characterization of Zn–ZnO core–shell microspheres from nanorods 
    LUPAN, O.; CHOW, L.; CHAI, G.; HEINRICH, H. (ELSEVIER, 2008)
    We present a new method to synthesize ZnO nanorods on zinc spheres to form a core–shell structure. Selective self-assembly growth of a shell with ZnO nanorods on a metallic Zn microsphere core has been accomplished via ...
  • 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. ...
  • 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 ...
  • 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. ...
  • Optical properties of ZnO nanowire arrays electrodeposited on n- and p-type Si(111): Effects of thermal annealing 
    LUPAN, O.; PAUPORTÉ, Th.; TIGINYANU, I. M.; URSAKI, V. V.; HEINRICH, H.; CHOW, L. (ELSEVIER, 2011)
    Electrodeposition is a low temperature and low cost growth method of high quality nanostructured active materials for optoelectronic devices. We report the electrochemical preparation of ZnO nanorod/nanowire arrays on ...
  • 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 ...
  • Self-assembly of densely packed and aligned bilayer ZnO nanorod arrays 
    CHOW, L.; LUPAN, O.; HEINRICH, H.; CHAI, G. (American Institute of Physics, 2009)
    We present a method of self-assembly of densely packed and aligned bilayer ZnO nanorod arrays in a hydrothermal synthesis process. The alkali hydrothermal environment first induced the growth of hydrotalcitelike zincowoodwardite ...
  • Synthesis and characterization of ZnO nanowires for nanosensor applications 
    LUPAN, O.; EMELCHENKO, G. A.; URSAKI, V. V.; CHAI, G.; REDKIN, A. N.; GRUZINTSEV, A. N.; TIGINYANU, I. M.; CHOW, L.; ONO, L. K.; ROLDAN CUENYA, B.; HEINRICH, H.; YAKIMOV, E. E. (ELSEVIER, 2010)
    In this paper we report the synthesis of ZnO nanowires via chemical vapor deposition (CVD) at 650°C. It will be shown that these nanowires are suitable for sensing applications. ZnO nanowires were grown with diameters ...
  • 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 ...
  • Ultraviolet photoconductive sensor based on single ZnO nanowire 
    LUPAN, O.; CHAI, G.; CHOW, L.; EMELCHENKO, G. A.; HEINRICH, H.; URSAKI, V. V.; GRUZINTSEV, A. N.; TIGINYANU, I. M.; REDKIN, A. N. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2010)
    ZnO nanowires were synthesized by the CVD procedure and have been investigated by SEM, TEM, SAED, Raman, and cw PL spectroscopy. The fabrication of an ultraviolet (UV) photoconductive detector based on single ZnO nanowire ...
  • Well-aligned arrays of vertically oriented ZnO nanowires electrodeposited on ITO-coated glass and their integration in dye sensitized solar cells 
    LUPAN, O.; GUÉRIN, V. M.; TIGINYANU, I. M.; URSAKI, V. V.; CHOW, L.; HEINRICH, H.; PAUPORTÉ, T. (ELSEVIER, 2010)
    We report on the effects of post-growth hydrothermal treatment and thermal annealing on properties of vertically aligned ZnO nanowires arrays (NWs). The samples were electrochemically deposited (ECD) on indium–tin oxide ...

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