Browsing by Author "ADELUNG, Rainer"

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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 ...
  • Advanced Hybrid GaN/ZnO Nanoarchitectured Microtubes for Fluorescent Micromotors Driven by UV Light 
    WOLFF, Niklas; CIOBANU, Vladimir; ENACHI, Mihail; KAMP, Marius; BRANISTE, Tudor; DUPPEL, Viola; SHREE, Sindu; RAEVSCHI, Simion; MEDINA-SÁNCHEZ, Mariana; ADELUNG, Rainer; SCHMIDT, Oliver G.; KIENLE, Lorenz; TIGINYANU, Ion (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2020)
    The development of functional microstructures with designed hierarchical and complex morphologies and large free active surfaces offers new potential for improvement of the pristine microstructures properties by the ...
  • Aero-Ga2O3 Nanomaterial Electromagnetically Transparent from Microwaves to Terahertz for Internet of Things Applications 
    BRANISTE, Tudor; DRAGOMAN, Mircea; ZHUKOV, Sergey; ALDRIGO, Martino; CIOBANU, Vladimir; IORDANESCU, Sergiu; ALYABYEVA, Liudmila; FUMAGALLI, Francesco; CECCONE, Giacomo; RAEVSCHI, Simion; SCHÜTT, Fabian; ADELUNG, Rainer; COLPO, Pascal; GORSHUNOV, Boris; TIGINYANU, Ion (MDPI (Basel, Switzerland), 2020)
    In this paper, fabrication of a new material is reported, the so-called Aero-Ga2O3 or Aerogallox, which represents an ultra-porous and ultra-lightweight three-dimensional architecture made from interconnected microtubes ...
  • Aero-ZnS architectures with dual hydrophilic–hydrophobic properties for microfluidic applications 
    PLESCO, Irina; BRANISTE, Tudor; WOLFF, Niklas; GORCEAC, Leonid; DUPPEL, Viola; CINIC, Boris; MISHRA, Yogendra Kumar; SARUA, Andrei; ADELUNG, Rainer; KIENLE, Lorenz; TIGINYANU, Ion (AIP Publishing LLC, 2020)
    Here, we report on a new aero-material, called aero-ZnS, representing self-organized architectures made of ZnS hollow micro-tetrapod structures with nanoscale thin walls. The fabrication process is based on the hydride ...
  • Aero-ZnS prepared by physical vapor transport on three-dimensional networks of sacrificial ZnO microtetrapods 
    URSAKI, Veaceslav; BRANISTE, Tudor; ZALAMAI, Victor; RUSU, Emil; CIOBANU, Vladimir; MORARI, Vadim; PODGORNII, Daniel; RICCI, Pier Carlo; ADELUNG, Rainer; TIGINYANU, Ion (Beilstein Institut, 2024)
    Aeromaterials represent a class of increasingly attractive materials for various applications. Among them, aero-ZnS has been produced by hydride vapor phase epitaxy on sacrificial ZnO templates consisting of networks of ...
  • 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 ...
  • 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 ...
  • Al2O3/ZnO composite-based sensors for battery safety applications: An experimental and theoretical investigation 
    SANTOS-CARBALLAL, David; LUPAN, Oleg; MAGARIU, Nicolae; ABABII, Nicolai; KRÜGER, Helge; BODDULURI, Mani Teja; LEEUW, Nora H. de; HANSEN, Sandra; ADELUNG, Rainer (Elsevier, 2023)
    Lithium-ion batteries are vital in one of the key nanotechnologies required for the transition to a carbon-free society. As such, they are under constant investigation to improve their performance in terms of energy and ...
  • Al2O3/ZnO composite-based sensors for battery safety applications: An experimental and theoretical investigation 
    SANTOS-CARBALLAL, David; LUPAN, Oleg; MAGARIU, Nicolae; ABABII, Nicolai; KRÜGER, Helge; BODDULURI, Mani Teja; de LEEUW, Nora H.; HANSEN, Sandra; ADELUNG, Rainer (Elsevier, 2023)
    In this work, heterostructures based on semiconductor oxides are employed as sensors for typical components of battery electrolytes and their decomposition products. The sensors showed a significant response to vapors ...
  • Al2O3/ZnO Heterostructure-Based Sensors for Volatile Organic Compounds in Safety Applications 
    LUPAN, Oleg; SANTOS-CARBALLAL, David; MAGARIU, Nicolae; MISHRA, Abhishek Kumar; ABABII, Nicolai; KRÜGER, Helge; WOLFF, Niklas; VAHL, Alexander; BODDULURI, Mani Teja; KOHLMANN, Niklas; KIENLE, Lorenz; ADELUNG, Rainer; LEEUW, Nora H. de; HANSEN, Sandra (American Chemical Society, 2022)
    In this work, we demonstrate the sensing properties toward the most common VOCs of columnar Al2O3/ZnO heterolayer-based sensors. We have also developed an approach to tune the sensor selectivity by changing the thickness ...
  • Applying the Negligible Mass of Graphene Aeromaterials: Repeatable Air Explosions and Instant Sterilization 
    ADELUNG, Rainer (Universitatea Tehnică a Moldovei, 2021)
    Aeromaterials in the form of Aerographite have been discovered and created around 10 years ago and were reported in Advanced Materials [1]. Beside the public excitement about the in those days labeled “lightest Material”, ...
  • 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 ...
  • Buckminsterfullerene hybridized zinc oxide tetrapods: defects and charge transfer induced optical and electrical response 
    SMAZNA, Daria; RODRIGUES, Joana; SHREE, Sindu; POSTICA, Vasile; NEUBÜSER, Gero; MARTINS, A. F.; BEN SEDRINE, N.; JENA, Naresh K.; SIEBERT, Leonard; SCHÜTT, Fabian; LUPAN, Oleg; AHUJA, Rajeev; CORREIA, M. R.; MONTEIRO, Teresa; KIENLE, Lorenz; YANG, Ya; ADELUNG, Rainer; MISHRA, Yogendra Kumar (The Royal Society of Chemistry, 2018)
    Buckminster fullerene (C60) based hybrid metal oxide materials are receiving considerable attention because of their excellent fundamental and applied aspects, like semiconducting, electron transfer, luminescent behaviors, ...
  • 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 ...
  • Composition and Surface Optical Properties of GaSe:Eu Crystals before and after Heat Treatment 
    SPRINCEAN, Veaceslav; QIU, Haoyi; TJARDTS, Tim; LUPAN, Oleg; UNTILĂ, Dumitru; AKTAS, Cenk; ADELUNG, Rainer; LEONTIE, Liviu; CARLESCU, Aurelian; GURLUI, Silviu; CARAMAN, Mihail (MDPI (Basel, Switzerland), 2024)
    This work studies the technological preparation conditions, morphology, structural characteristics and elemental composition, and optical and photoluminescent properties of GaSe single crystals and Eu-doped b–Ga2O3 ...
  • Concept and modelling of memsensors as two terminal devices with enhanced capabilities in neuromorphic engineering 
    VAHL, Alexander; CARSTENSEN, Jürgen; KAPS, Sören; LUPAN, Oleg; STRUNSKUS, Thomas; ADELUNG, Rainer; FAUPEL, Franz (Springer Nature Limited, 2019)
    We report on memsensors, a class of two terminal devices that combines features of memristive and sensor devices. Apart from a pinched hysteresis (memristive property) and stimulus dependent electrical resistance (sensing ...
  • Controlling Hydrophobic/Hydrophilic Properties of ZnO Microtetrapods Structures by Means of Thermal Treatment 
    CIOBANU, Vladimir; URSAKI, Veaceslav V.; REIMERS, Armin; MIHAI, Geanina; ZALAMAI, Victor V.; MONAICO, Eduard V.; ADELUNG, Rainer; ENACHESCU, Marius; TIGINYANU, Ion M. (Springer Nature Switzerland, 2023)
    We report on possibilities to convert, by means of thermal treatment, the wettability properties of networks consisting of ZnO microtetrapods from hydrophobic to super-hydrophilic. The ZnO microtetrapods were produced by ...
  • (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-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 self-organized chemical deposition are presented. The nanosensors are made from individual ZnO whiskers and are coated ...

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