IRTUM – Institutional Repository of the Technical University of Moldova

Browsing Articole din publicaţii internaţionale by Author "ADELUNG, Rainer"

Browsing Articole din publicaţii internaţionale by Author "ADELUNG, Rainer"

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  • Integration of individual TiO2 nanotube on the chip: Nanodevice for hydrogen sensing 
    ENACHI, Mihail; LUPAN, Oleg; BRANISTE, Tudor; SARUA, Andrei; CHOW, Lee; MISHRA, Yogendra K.; GEDAMU, Dawit; ADELUNG, Rainer; TIGINYANU, Ion (WILEY-VCH Verlag GmbH \&Co. KGaA, Weinheim, 2015)
    Titania (TiO2) exists in several phases possessing different physical properties. In view of this fact, we report on three types of hydrogen sensors based on individual TiO2 nanotubes (NTs) with three different structures ...
  • Integration of metal and metal oxide nanowires directly on chip by top-down technology and their electrical characteristics 
    GEDAMU, Dawit; LUPAN, Oleg; MISHRA, Yogendra Kumar; ADELUNG, Rainer (American Scientific Publishers, 2014)
    In this work we present the fabrication of metal and metal oxide nanowires directly on chip by a new top-down technique based on thin film fracture (TFF) approach. Developed procedure works in a simple principle of ...
  • 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 ...
  • Low-Temperature Solution Synthesis of Au-Modified ZnO Nanowires for Highly Efficient Hydrogen Nanosensors 
    LUPAN, Oleg; POSTICA, Vasile; WOLFF, Niklas; SU, Jun; LABAT, Frédéric; CIOFINI, Ilaria; CAVERS, Heather; ADELUNG, Rainer; POLONSKYI, Oleksandr; FAUPEL, Franz; KIENLE, Lorenz; VIANA, Bruno; PAUPORTÉ, Thierry (American Chemical Society, 2019)
    In this research, the low-temperature single-step electrochemical deposition of arrayed ZnO nanowires (NWs) decorated by Au nanoparticles (NPs) with diameters ranging between 10 and 100 nm is successfully demonstrated for ...
  • Micro-nano-technologies of zinc and copper oxides for sensor and medicine applications 
    LUPAN, Oleg; POSTICA, Vasile; HOPPE, Mathias; SONTEA, Victor; RAILEAN, Serghei; ADELUNG, Rainer (IEEE, 2015)
    The combination of sensors and biosensors with medicine and life science promises to yield extremely innovative and revolutionary advances in healthcare. In this work we report on micro- and nano-technologies for copper ...
  • Modulation of Electrical Conductivity and Lattice Distortions in Bulk HVPE-Grown GaN 
    WOLFF, Niklas; JORDT, Philipp; BRANISTE, Tudor; POPA, Veaceslav; MONAICO, Eduard; URSAKI, Veaceslav; PETRARU, Adrian; ADELUNG, Rainer; MURPHY, Bridget M.; KIENLE, Lorenz; TIGINYANU, Ion (The Electrochemical Society, 2019)
    The nature of self-organized three-dimensional structured architectures with spatially modulated electrical conductivity emerging in the process of hydride vapor phase epitaxial growth of single crystalline n-GaN wafers ...
  • Multifunctional device based on ZnO:Fe nanostructured films with enhanced UV and ultra-fast ethanol vapour sensing 
    POSTICA, Vasile; HÖLKEN, Iris; SCHNEIDER, Viktor; KAIDAS, Victor; POLONSKYI, Oleksandr; CRETU, Vasilii; TIGINYANU, Ion; FAUPEL, Franz; ADELUNG, Rainer; LUPAN, Oleg (ELSEVIER, 2016)
    Extensive application requests on high-performance gas sensors and photodetectors reveal the importance of controlling semiconducting oxide properties. Sensing properties of ZnO nano- and micro-structures can be tuned and ...
  • Multifunctional Materials: A Case Study of the Effects of Metal Doping on ZnO Tetrapods with Bismuth and Tin Oxides 
    POSTICA, Vasile; GRÖTTRUP, Jorit; ADELUNG, Rainer; LUPAN, Oleg; MISHRA, Abhishek Kumar; LEEUW, Nora H. de; ABABII, Nicolai; CARREIRA, José F. C.; RODRIGUES, Joana; SEDRINE, Nebiha Ben; CORREIA, Maria Rosário; MONTEIRO, Teresa; SONTEA, Victor; MISHRA, Yogendra Kumar (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2017)
    Hybrid metal oxide nano- and microstructures exhibit novel properties, which make them promising candidates for a wide range of applications, including gas sensing. In this work, the characteristics of the hybrid ZnOBi2O3 ...
  • Nano-Heterostructured Materials - Based Sensors for Safety and Biomedical Applications 
    LUPAN, Oleg; MAGARIU, Nicolae; KRÜGER, Helge; SEREACOV, Alexandr; ABABII, Nicolai; RAILEAN, Serghei; ZIMOCH, Lukas; ADELUNG, Rainer; HANSEN, Sandra (Institute of Electrical and Electronics Engineers (IEEE), 2022)
    Permanent monitoring of lithium-ion batteries (LIBs) and volatile organic compounds (VOCs) in various environments, especially for safety and biomedical applications, is a growing field due to the high reactivity of the ...
  • Nanomechanics of individual aerographite tetrapods 
    MEIJA, Raimonds; SIGNETTI, Stefano; SCHUCHARDT, Arnim; MEURISCH, Kerstin; SMAZNA, Daria; MECKLENBURG, Matthias; SCHULTE, Karl; ERTS, Donats; LUPAN, Oleg; FIEDLER, Bodo; MISHRA, Yogendra Kumar; ADELUNG, Rainer; PUGNO, Nicola M. (Springer Nature Limited, 2017)
    Carbon-based three-dimensional aerographite networks, built from interconnected hollow tubular tetrapods of multilayer graphene, are ultra-lightweight materials recently discovered and ideal for advanced multifunctional ...
  • Nanonetworks: Rapid Fabrication Technique for Interpenetrated ZnO Nanotetrapod Networks for Fast UV Sensors (Adv. Mater. 10/2014) 
    GEDAMU, Dawit; PAULOWICZ, Ingo; KAPS, Sören; LUPAN, Oleg; WILLE, Sebastian; HAIDARSCHIN, Galina; MISHRA, Yogendra Kumar; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2014)
    Flame transport synthesis (FTS) offers a unique fabrication technique for different nano-microtetrapods and their interconnected networks. Using the FTS method, interconnected ZnO nanotetrapod networks are fabricated ...
  • Nanosensors on a single semiconducting oxide nanowire 
    LUPAN, Oleg; POSTICA, Vasile; ADELUNG, Rainer (Academia de Ştiinţe a Moldovei, 2019)
    The room-temperature nanosensors are demanded from different fields, such as rapid detection of hazardous, explosive and nocive gases, compounds and various risky nanomaterials. Due to their huge surface-to-volume ratio ...
  • Nanowire networks: three-dimensional SnO2 nanowire networks for multifunctional applications: from high-temperature stretchable ceramics to ultraresponsive sensors 
    PAULOWICZ, Ingo; HRKAC, Viktor; KAPS, Sören; CRETU, Vasilii; LUPAN, Oleg; BRANISTE, Tudor; DUPPEL, Viola; TIGINYANU, Ion; KIENLE, Lorenz; ADELUNG, Rainer; MISHRA, Yogendra Kumar (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2015)
    Stretchable three-dimensional ceramic networks constructed from quasi-one-dimensional metal oxide nanostructures are versatile candidates for using nanoscopic structures in everyday technologies. The growth of such networks ...
  • Non-planar nanoscale p–p heterojunctions formation in ZnxCu1−xOy nanocrystals by mixed phases for enhanced sensors 
    LUPAN, Oleg; CRETU, Vasilii; POSTICA, Vasile; POLONSKYI, Oleksandr; ABABII, Nicolai; SCHÜTT, Fabian; KAIDAS, Victor; FAUPEL, Franz; ADELUNG, Rainer (ELSEVIER, 2016)
    The copper oxides are advanced materials due to their remarkable sensing, optical, electrical, thermal and magnetic performances. Nanostructuring and doping of copper oxides enhance further the possible features of these ...
  • Pd-Functionalized ZnO:Eu Columnar Films for Room-Temperature Hydrogen Gas Sensing: A Combined Experimental and Computational Approach 
    LUPAN, Cristian; KHALEDIALIDUSTI, Rasoul; MISHRA, Abhishek Kumar; POSTICA, Vasile; TERASA, Maik-Ivo; MAGARIU, Nicolae; PAUPORTÉ, Thierry; VIANA, Bruno; DREWES, Jonas; VAHL, Alexander; FAUPEL, Franz; ADELUNG, Rainer (American Chemical Society, 2020)
    Reducing the operating temperature to room temperature is a serious obstacle on long-life sensitivity with long-term stability performances of gas sensors based on semiconducting oxides, and this should be overcome by new ...
  • PdO/PdO2 functionalized ZnO:Pd films for lower operating temperature H2 gas sensing 
    LUPAN, Oleg; POSTICA, Vasile; HOPPE, Mathias; WOLFF, Niklas; POLONSKYI, Oleksandr; PAUPORTÉ, Thierry; VIANA, Bruno; MAJÉRUS, Odile; KIENLE, Lorenz; FAUPEL, Franz; ADELUNG, Rainer (The Royal Society of Chemistry, 2018)
    Through this work, we propose a novel strategy to grow and modulate the density of PdO/PdO2 nanoparticles uniformly on nanostructured Pd-doped ZnO (ZnO:Pd) films by a one-step solution approach followed by thermal annealing ...
  • Porous ceramics based on hybrid inorganic tetrapodal networks for efficient photocatalysis and water purification 
    GRÖTTRUP, Jorit; SCHÜTT, Fabian; SMAZNA, Daria; LUPAN, Oleg; ADELUNG, Rainer; MISHRA, Yogendra Kumar (ELSEVIER, 2017)
    The present work demonstrates a very simple and unique strategy for efficient photocatalysis using ZnO ceramic nano- and microtetrapods synthesized by a flame transport synthesis approach. Due to their three-dimensional ...
  • Properties of a single SnO2:Zn2SnO4 – Functionalized nanowire based nanosensor 
    LUPAN, Oleg; WOLFF, Niklas; POSTICA, Vasile; BRANISTE, Tudor; PAULOWICZ, Ingo; HRKAC, Viktor; MISHRA, Yogendra Kumar; TIGINYANU, Ion; KIENLE, Lorenz; ADELUNG, Rainer (ELSEVIER, 2018)
    Tin oxide nanowires (SnO2 NWs) exhibit large potential for applications in sensor and detector technology. Using a flame transport synthesis method, high-quality single crystalline SnO2 nanowires (NWs) with Zn2SnO4 dots ...
  • Rapid Fabrication Technique for Interpenetrated ZnO Nanotetrapod Networks for Fast UV Sensors 
    GEDAMU, Dawit; PAULOWICZ, Ingo; KAPS, Sören; LUPAN, Oleg; WILLE, Sebastian; HAIDARSCHIN, Galina; MISHRA, Yogendra Kumar; ADELUNG, Rainer (WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2014)
    Two flame-based synthesis methods are presented for fabricating ZnO-nanostructure-based UV photodetectors: burner flame transport synthesis (B-FTS) and crucible flame transport synthesis (C-FTS). B-FTS allows rapid growth ...
  • Rapid switching and ultra-responsive nanosensors based on individual shell–core Ga2O3/GaN:Ox@SnO2 nanobelt with nanocrystalline shell in mixed phases 
    LUPAN, Oleg; BRANISTE, Tudor; DENG, Mao; GHIMPU, Lidia; PAULOWICZ, Ingo; MISHRA, Yogendra K.; KIENLE, Lorenz; ADELUNG, Rainer; TIGINYANU, Ion (ELSEVIER, 2015)
    The detailed TEM structural studies on the as-grown and annealed structures confirmed that the nanocable is made from mixed phases by an excellent agreement with the standard data for rutile SnO2, amorphous GaN:Ox and ...

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