Browsing by Author "ABABII, Nicolai"

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  • 3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets 
    SIEBERT, Leonard; LUPAN, Oleg; MIRABELLI, Mattia; ABABII, Nicolai; TERASA, Maik-Ivo; KAPS, Sören; CRETU, Vasilii; VAHL, Alexander; FAUPEL, Franz; ADELUNG, Rainer (American Chemical Society, 2019)
    In this work, the one-step three-dimensional (3D) printing of 20 nm nanowire (NW)-covered CuO/Cu2O/Cu microparticles (MPs) with diameters of 15–25 μm on the surface of the glass substrate forming an ordered net is successfully ...
  • Additive Manufacturing as a Means of Gas Sensor Development for Battery Health Monitoring 
    LUPAN, Oleg; KRÜGER, Helge; SIEBERT, Leonard; ABABII, Nicolai; KOHLMANN, Niklas; BUZDUGAN, Artur; BODDULURI, Mani Teja; MAGARIU, Nicolae; TERASA, Maik-Ivo; STRUNSKUS, Thomas; KIENLE, Lorenz; ADELUNG, Rainer; HANSEN, Sandra (MDPI, Basel, Switzerland, 2021)
    Lithium-ion batteries (LIBs) still need continuous safety monitoring based on their intrinsic properties, as well as due to the increase in their sizes and device requirements. The main causes of fires and explosions in ...
  • Al2O3/CuO non-planar heterostructures for VOCs vapors detection 
    MAGARIU, Nicolae; ABABII, Nicolai; POSTICA, Vasile; MANI, Teja Bodduluri; LUPAN, Oleg; ADELUNG, Rainer; HANSEN, Sandra (Technical University of Moldova, 2021)
    In this work, the gas sensing properties of the non-planar heterostructures based on CuO thin films, grown by the direct ink writing and covered with an ultrathin Al2O3 layer, are presented as a function of the operating ...
  • Cercetarea proprietăţilor senzoriale ale peliculelor nanocristaline de Cu1-xZnxOy 
    CREŢU, Vasilii; POSTICA, Vasile; ABABII, Nicolai; TROFIM, Viorel; SONTEA, Victor; LUPAN, Oleg (Tehnica UTM, 2014)
    Peliculele nanocristaline de Cu1-xZnxOy au fost depuse folosind metoda sintezei chimică din soluţii (SCS). Pentru cercetările senzorice ale peliculelor depuse probele au fost tratate termic în sobă (TA) sau/şi tratate ...
  • Circuite și dispozitive electronice. Îndrumar metodic pentru lucrări de laborator 
    LUPAN, Oleg; ABABII, Nicolai; METLINSCHII, Pavel (LUPAN, Oleg, ABABII, Nicolai, METLINSCHII, Pavel. Circuite și dispozitive electronice: Îndrumar metodic pentru lucrări de laborator. Univ. Tehnică a Moldovei, Fac. Calculatoare, Informatică şi Microelectronică, Dep. Microelectronică şi Inginerie Biomedicală. Chişinău: Tehnica-UTM, 2020. 145 p. ISBN 978-9975-45-642-5., 2020)
    Lucrarea de faţă reprezintă indicaţii metodice pentru efectuarea lucrărilor de laborator la cursul Circuite și Dispozitive Electronice şi este destinată tuturor studenţilor Facultăţii Calculatoare, Informatică şi ...
  • Creșterea localizată și cercetarea proprietăților senzoriale ale nanostructurilor oxizilor micști de Fe-Cu 
    ABABII, Nicolai (Tehnica UTM, 2019)
    Este bine cunoscut faptul că în prezent se atrage o mare atenție nano-heterojoncțiunilor pe baza oxizilor semiconductori cu diferite tipuri de conductibilitate, deaceia în acest context, în lucrarea dată este prezentată ...
  • (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.
  • 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 ...
  • Efectul funcţionalizării cu nanopuncte de Pd ȘI PdO2 a peliculelor de CuO/Cu2O pentru senzori de gaze explozive și volatile 
    CREŢU, Vasilii; ABABII, Nicolai; POSTICA, Vasile; MAGARIU, Nicolae; TOACĂ, Dan (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova (AGEPI), 2019)
    Proiectul propus are ca scop realizarea cercetărilor aplicative în domeniul nanotehnologiilor, aplicarea metodelor cost-efective pentru sinteza și caracterizarea nanoheterojoncţiunilor fazelor mixte de CuO/Cu2O, funcţionalizarea ...
  • Effect of doping in Zn1-xAgxOy nanostructured films on Hydrogen gas response 
    POSTICA, Vasile; CRETU, Vasilii; ABABII, Nicolai; VERJBITKI, Valeri; SONTEA, Victor; LUPAN, Oleg (Tehnica UTM, 2014)
    Nanostructured Zn1-xAgxOy films have been deposited using a chemical solution synthesis method. The as-deposited nanostructured films were subjected to thermal annealing in furnace and rapid thermal annealing, for different ...
  • Effect of noble metal functionalization and film thickness on sensing properties of sprayed TiO2 ultra-thin films 
    ABABII, Nicolai; HOPPE, Mathias; SHREE, Sindu; VAHL, Alexander; ULFA, Maria; PAUPORTÉ, Thierry; VIANA, Bruno; CRETU, Vasilii; MAGARIU, Nicolae; POSTICA, Vasile; SONTEA, Victor; TERASA, Maik-Ivo; POLONSKYI, Oleksandr; FAUPEL, Franz; ADELUNG, Rainer; LUPAN, Oleg (ELSEVIER, 2019)
    In this paper, the effect of the thickness of nano-structured TiO2 thin films (12–40nm) and successive deposition of different noble metal nanoparticles on the performances of propanol vapor and H2 gas sensors was investigated. ...
  • 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 ...
  • Ethanol sensor based of copper oxide 
    ABABII, Nicolai; POSTICA, Vasile; TROFIM, Viorel; LUPAN, Oleg (Romanian Inventors Forum, 2018)
    Ethanol sensor based on CuO nanowires (nanostructures), which includes a glass substrate, on the surface of which two gold contacts are deposited, a copper wire 30 μm is deposited between the contacts, characterized in ...
  • Facile fabrication of semiconducting oxide nanostructures by direct ink writing of readily available metal microparticles and their application as low power acetone gas sensors 
    SIEBERT, Leonard; WOLFF, Niklas; ABABII, Nicolai; TERASA, Maik-Ivo; LUPAN, Oleg; VAHL, Alexander; DUPPEL, Viola; QIU, Haoyi; TIENKEN, Maik; MIRABELLI, Mattia; SONTEA, Victor; FAUPEL, Franz; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2020)
    In this work, a facile two-step fabrication and characterization of printed acetone sensors based on mixed semiconducting metal oxides is introduced. The devices are fabricated by Direct Ink Writing metal microparticle ...
  • Facile fabrication of semiconducting oxide nanostructures by direct ink writing of readily available metal microparticles and their application as low power acetone gas sensors 
    ABABII, Nicolai; LUPAN, Oleg (Romanian Inventors Forum, 2020)
    In this work, a facile two step fabrication and characterization of 3D printed acetone sensors based on mixed semiconducting metal oxides is introduced. The devices are fabricated by Direct Ink Writing metal microparticle ...
  • Fotodetectori de radiatie UV in baza peliculelor nanostructurate de ZnO:Sn 
    POSTICA, Vasile; ABABII, Nicolai; CREŢU, Vasilii (Tehnica UTM, 2015)
    Peliculele nanostructurate de ZnO:Sn au fost depuse prin metoda sintezei chimice din soluţii (SCS). A fost cercetat regimul optimal al tratamentului termic rapid pentru obţinerea unui răspuns maximal la iluminarea cu ...
  • Heterostructure-based devices with enhanced humidity stability for H2 gas sensing applications in breath tests and portable batteries 
    LUPAN, Oleg; ABABII, Nicolai; MISHRA, Abhishek Kumar; BODDULURI, Mani Teja; MAGARIU, Nicolae; Alexander VAHL, Alexander VAHL; KRÜGER, Helge; WAGNER, Bernhard; FAUPEL, Franz; ADELUNG, Rainer; LEEUW, Nora H. de; HANSEN, Sandra (Elsevier, 2021)
    Semiconducting metal oxide - based gas sensors exhibit outstanding sensitivity, although humidity in the analyte typically hampers precise measurements. In this work it was shown that a 5−6 nm thin Al2O3 nano-layer is ...
  • 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 Acetone gas sensors based on Au - surface decorated CuO nanostructures 
    ABABII, Nicolai; SONTEA, Victor; CHOW, Lee; LUPAN, Oleg (IEEE, 2017)
    Recently, our group has demonstrated that by virtue functionalization of CuO nanostructured films with Au nanoparticles, it is possible to detect acetone vapors with very low concentrations of down to 10 ppm with high ...
  • Influence of TiO2 Ultra-Thin Films on Gas Sensing Properties of CuO:Zn 
    ABABII, Nicolai; REIMER, Tim; POSTICA, Vasile; HOPPE, Mathias; CHEMNITZ, Steffen; SONTEA, Victor; BENECKE, Wolfgang; ADELUNG, Rainer; LUPAN, Oleg (Technical University of Moldova, 2017)
    Copper oxide is a p-type metal oxide with remarkable optical, electrical, thermal and sensing properties. The oxidation of Cu2O to CuO can be performed by thermal annealing at relatively low temperatures. The present study ...

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