Browsing by Subject "nanosensors"

Sort by: Order: Results:

  • Al-Doped ZnO Nanowires by Electrochemical Deposition for Selective VOC Nanosensor and Nanophotodetector 
    PAUPORTÉ, Thierry; LUPAN, Oleg; POSTICA, Vasile; HOPPE, Mathias; CHOW, Lee; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2018)
    Nanomaterials for new nanosensor systems with selective detection of hazardous volatile organic compounds (VOCs) vapors are of great demand nowadays. In this paper, the use in nanosensors of electrochemically deposited ...
  • Au-NPs/ZnO Single Nanowire Nanosensors for Health Care Applications 
    POSTICA, Vasile; CAVERS, Heather; ADELUNG, Rainer; PAUPORTÉ, Thierry; CHOW, Lee; LUPAN, Oleg (IEEE, 2020)
    Herein, the room temperature gas sensing properties of a device fabricatedbased on an individual gold nanoparticles (AuNPs)-functionalized zinc oxide nanowire (ZnO NW) is reported. The Au-NPs/ZnO nanowires were depositedusing ...
  • Comparison of Thermal Annealing versus Hydrothermal Treatment Effects on the Detection Performances of ZnO Nanowires 
    LUPAN, Oleg; MAGARIU, Nicolae; KHALEDIALIDUSTI, Rasoul; MISHRA, Abhishek Kumar; HANSEN, Sandra; KRÜGER, Helge; POSTICA, Vasile; HEINRICH, Helge; VIANA, Bruno; ONO, Luis Katsuya; CUENYA, Beatriz Roldan; CHOW, Lee; ADELUNG, Rainer; PAUPORTÉ, Thierry (American Chemical Society, 2021)
    A comparative investigation of the post-electroplating treatment influence on the gas detecting performances of single ZnO nanorod/nanowire (NR/NW), as grown by electrochemical deposition (ECD) and integrated into nanosensor ...
  • Controlling the properties of electrodeposited ZnO nanowire arrays for light emitting diode, photodetector and gas sensor applications 
    PAUPORTÉ, T.; LUPAN, Oleg; VIANA, Bruno; CHOW, Lee; TCHERNYCHEVA, Maria (SPIE, 2014)
    Electrochemical deposition (ECD) is a versatile technique for the preparation of ZnO nanowires (NWs) and nanorods (NRs) with high structural and optical quality. The bandgap of the ZnO NWs can be engineered by doping. ...
  • CuO-plate decorated ZnO nanostructures and their sensing performances 
    LITRA, Dinu; LUPAN, Cristian; ZADOROJNEAC, Tudor; CHIRIAC, Maxim; DEPRI, Nadine; LUPAN, Oleg; ADELUNG, Rainer; SIEBERT, Leonard (Technical University of Moldova, 2022)
    In this paper, we report on the gas sensing properties of mixed oxide Zn-Cu nanostructures obtained by selforganized chemical deposition are presented. The nanosensors are made from individual ZnO whiskers and are coated ...
  • CuO/Cu2O Nanostructured Films for Gas Sensors 
    CRETU, Vasilii; ABABII, Nicolai; CHISTRUGA, Alexandru; MAGARIU, Nicolae; POSTICA, Vasile; LUPAN, Oleg (IEEE, 2019)
    The CuO/Cu 2 O nanostructured films were synthesized via a simple chemical solution based method (SCS). The morphological properties were investigated using a scanning electron microscope (SEM). The elaborated sensors based ...
  • Designing nanoarchitectures for hydrogen gas sensor applications and device nanofabrication 
    LUPAN, O. (Editura U.T.M., 2007)
    The present work report a new benign growth technique for the ZnO and Cu2O nanoarchitectures as new generation of smart materials. ZnO nanoarchitectures grown from ammonia solution of zinc sulphate permits to be easily ...
  • Development of GaN-based Nanosensors using Surface Charge Lithography 
    POPA, Veaceslav; BRANISTE, Tudor; VOLCIUC, Olesea; PAVLIDIS, Dimitris; SARUA, Andrei; HEARD, Peter; KUBALL, Martin (Technical University of Moldova, 2011)
    Semiconductor nanotechnology is a fast developing branch of modern engineering that offers perspectives for the development of electronic devices with superior parameters. A special and important niche in nanotechnology ...
  • Dispozitiv de măsurare a parametrilor senzorilor pe bază de oxizi semiconductori micro- şi nanostructuraţi 
    VERJBIŢKI, Valeri; LUPAN, Oleg (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2016-04-30)
    Invenţia se referă la domeniul tehnicii de măsurare şi poate fi utilizată în aparate de măsurat, în care se utilizează senzori pe bază de oxizi semiconductori nanostructuraţi. Dispozitivul de măsurare a parametrilor ...
  • Dispozitiv multicanal de măsurare a senzorilor de gaze 
    POCROPIVNÎI, Anatolie (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2019)
    Dispozitivul este destinat controlului parametrilor structurilor cu micro și nanosenzori. De asemenea, poate fi utilizat pentru controlul parametrilor materialelor care își schimbă rezistenţa la infl uenţa diferitor factori ...
  • Dispozitiv şi metodă de măsurare a rezistenţei senzorilor pe bază de oxizi semiconductori nanostructuraţi 
    VERJBIŢKI, Valerii; LUPAN, Oleg (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2016-08-31)
    Invenţia se referă la domeniul tehnicii de măsurare şi poate fi utilizată în aparate de măsurat, în care se utilizează senzori pe bază de oxizi semiconductori nano-structuraţi. Dispozitivul de măsurare a rezistenţei ...
  • The effect of morphology and functionalization on UV detection properties of ZnO networked tetrapods and single nanowires 
    POSTICA, Vasile; PAULOWICZ, Ingo; LUPAN, Oleg; SCHÜTT, Fabian; WOLFF, Niklas; COJOCARU, Ala; MISHRA, Yogendra Kumar; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2019)
    Rapid detection and fast response of nanoelectronic devices based on semiconducting oxides is nowadays a modern and stringent subject of research. Device performances depend mainly on the morphologies of the metal oxide ...
  • The effect of surface functionalization and doping on nanowire devices performances 
    LUPAN, Oleg; CHOW, Lee; TIGINYANU, Ion; SONTEA, Victor; PAUPORTE, Thierry (Technical University of Moldova, 2012)
    The paper deals with an important scientific problem of enhancement performances of nanowire-based devices. Zinc oxide nanowires and nanorods were grown by electrochemical deposition and hydrothermal techniques. X-ray ...
  • Enhanced UV and ethanol vapour sensing of a single 3-D ZnO tetrapod alloyed with Fe2O3 nanoparticles 
    LUPAN, Oleg; POSTICA, Vasile; GRÖTTRUP, Jorit; MISHRA, Abhishek K.; DE LEEUW, Nora H.; ADELUNG, Rainer (ELSEVIER, 2017)
    Fabrication of multifunctional devices based on nano- and microstructures of a single semiconducting oxide is an important step for a better understanding of their maximum sensing properties and the base for the development ...
  • High-Performance Gas Sensors Using Heterostructures based on Binary and Ternary Metal Oxides 
    ABABII, Nicolai; BODDULURI, Mani Teja; KRÜGER, Helge; HANSEN, Sandra; POSTICA, Vasile; LUPAN, Oleg; ADELUNG, Rainer (IEEE, 2021)
    The gas sensing properties of heterojunctions based on binary and ternary metal oxides (CuAl 2 O 4 /Al 2 O 3 /CuO/Cu 2 O, ZnAl 2 O 4 /ZnO and Zn 2 SnO 4 ) were investigated in detail and demonstrated excellent sensitivity ...
  • Highly sensitive and selective hydrogen single-nanowire nanosensor 
    LUPAN, O.; CHOW, L.; PAUPORTE, Th.; ONO, L. K.; ROLDAN CUENYA, B.; CHAI, G. (ELSEVIER, 2012)
    Metal oxides such as ZnO have been used as hydrogen sensors for a number of years. Through doping, the gas response of zinc oxide to hydrogen has been improved. Cadmium-doped ZnO nanowires (NWs) with high aspect ratio have ...
  • Hydrogen detection by individual Pd-modified ZnO nanowire 
    LUPAN, Oleg; PAUPORTÉ, Thierry; POSTICA, Vasile; VIANA, Bruno; ADELUNG, Rainer; CHOW, Lee; TIGINYANU, Ion (Technical University of Moldova, 2017)
    In this work an individual Pd-modified ZnO nanowire (Pd/ZnO NW) was integrated into a nanosensor device using focused ion beam (FIB)/scanning electron microscopy (SEM) system. The Pd/ZnO arrays were synthesized by ...
  • Individual CdS-covered aerographite microtubes for room temperature VOC sensing with high selectivity 
    GHIMPU, Lidia; LUPAN, Oleg; POSTICA, Vasile; STROBEL, Julian; KIENLE, Lorenz; TERASA, Maik-Ivo; MINTKEN, Mona; TIGINYANU, Ion; MARX, Janik; FIEDLER, Bodo; ADELUNG, Rainer (ELSEVIER, 2019)
    The synthesis of new nanomaterials with a large surface-to-volume ratio is of high interest for sensing applications, and especially for gas sensors with high performances. In this work, a thin layer of CdS is deposited ...
  • 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 ...
  • Localized Synthesis of Iron Oxide Nanowires and Fabrication of High Performance Nanosensors Based on a Single Fe2O3 Nanowire 
    LUPAN, Oleg; POSTICA, Vasile; WOLFF, Niklas; POLONSKYI, Oleksandr; DUPPEL, Viola; KAIDAS, Victor; LAZARI, Eugen; ABABII, Nicolai; FAUPEL, Franz; KIENLE, Lorenz; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2017)
    A composed morphology of iron oxide microstructures covered with very thin nanowires (NWs) with diameter of 15–50 nm has been presented. By oxidizing metallic Fe microparticles at 255 °C for 12 and 24 h, dense iron oxide ...

Search DSpace

Browse

My Account