Browsing by Subject "gas sensors"

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  • A single ZnO tetrapod-based sensor 
    LUPAN, Oleg; CHOW, Lee; CHAI, Guangyu (ELSEVIER, 2009)
    Transferable ZnO tetrapods were grown by an aqueous solution method. An individual ZnO tetrapod-based sensor was fabricated by in situ lift-out technique and its ultraviolet (UV) and gas sensing properties were investigated. ...
  • Structuri columnare de oxizi semiconductori pentru senzori selectivi de gaze: realizări şi provocări 
    LUPAN, Oleg; POSTICA, Vasile (Academia de Ştiinţe a Moldovei, 2019)
    Autorii sintetizează rezultatele cercetărilor sale experimentale pe care le-au desfășurat în cadrul Centrului de Nanotehnologii și Nanosenzori, Universitatea Tehnică a Moldovei. Una dintre direcțiile importante ale Centrului ...
  • Surface Phenomena in Glassy Chalcogenides by Gas Sensing 
    TSIULYANU, D.; CIOBANU, M.; MOCREAC, O. (Springer Nature Switzerland, 2020)
    The surface phenomena in glassy chalcogenides (GCh), including those caused by gas adsorption, are reviewed and discussed. A detailed quantitative analysis is made on experimental data taken on glassy and nanocrystalline ...
  • Synthesis and properties of CuO:Fe nanocrystalline films 
    ABABII, N.; POSTICA, V.; TROFIM, V.; RAILEAN, S.; SONTEA, V.; LUPAN, O. (Institutul de Fizică Aplicată, 2016)
    In this research, nanocrystalline films of Fe-doped CuO were synthesized from chemical solution (SCS) as described in our previous paper. Samples were thermally processed in electrical furnace (TA) and rapid thermal processed ...
  • Tehnologie cu procesarea fototermică rapidă pentru senzori de gaze în baza semiconductorilor oxizi 
    ŞIŞIANU, T.; ŞIŞIANU, S.; LUPAN, O. (Editura U.T.M., 2004)
    În această lucrare se propune tehnologia cu procesare foto-termică rapidă (PFTR) pentru senzori de gaze în baza semiconductorilor oxizi: ZnO, Cu2O şi SiO2. Prin combinarea metodelor chimice de depunere a peliculelor, ...
  • Tellurium Thin Films in Sensor Technology 
    TSIULYANU, D. (Springer Nature Switzerland, 2011)
    An extensive review of the application of tellurium thin films in sensor technology is reported and discussed. Along with the traditional use of Te films in photo and strain sensitive devices, their modern application in ...
  • Temperature dependent gas sensing properties of tin-doped zinc oxide films 
    POSTICA, Vasile (Tehnica UTM, 2018)
    In this work, the temperature dependent gas sensing properties of tin-doped zinc oxide (ZnO:Sn) nanostructured films are investigated in detail. The two different contents of Sn in ZnO:Sn samples (0.1 and 0.4 at% Sn) and ...
  • Ultra-thin TiO2 films by atomic layer deposition and surface functionalization with au nanodots for sensing applications 
    LUPAN, Oleg; POSTICA, Vasile; ABABII, Nicolai; REIMER, Tim; SHREE, Sindu; HOPPE, Mathias; POLONSKYI, Oleksandr; SONTEA, Victor; CHEMNITZ, Steffen; FAUPEL, Franz; ADELUNG, Rainer (ELSEVIER, 2018)
    The presented study demonstrates the importance of the film thickness and surface functionalization with noble metals nanoclusters for sensing applications of ultra-thin TiO2 layers. Such ultra-thin films could be used for ...
  • UV effect on NO2 Sensing Properties of Nanocrystalline In2O3 
    ILIN, A.; FANTINA, N.; MARTYSHOV, M.; FORSH, E.; FORSH, P.; KASHKAROV, P. (Tehnica UTM, 2015)
    Nanocrystalline indium oxide films with extremely small grains in range of 7 to 40 nm were prepared by sol-gel method. The influence of grain size on the sensitivity of indium oxide to nitrogen dioxide in low concentration ...
  • Work function and AC operating gas-sensitive films based on quaternary chalcogenides 
    TSIULYANU, D.; CIOBANU, M.; LIESS, H.-D. (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2016)
    A study of quaternary alloys of As–S–Ge–Te was performed in order to assess their use in future gas sensors operating at room temperature. To elucidate the effect of tellurium, the quaternary compositions As2Te13Ge8S3 and ...
  • Zinc oxide nanotetrapods with four different arm morphologies for versatile nanosensors 
    PAULOWICZ, Ingo; POSTICA, Vasile; LUPAN, Oleg; WOLFF, Niklas; SHREE, Sindu; COJOCARU, Ala; DENG, Mao; MISHRA, Yogendra Kumar; TIGINYANU, Ion; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2018)
    The structural morphology of metal oxide nano- and microstructures plays a crucial role in the performances of sensors and especially of nanosensors. Here, a simple approach on the synthesis of three-dimensional (3D) highly ...

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