Browsing Conferinţe by Author "ADELUNG, Rainer"

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  • 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 ...
  • 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”, ...
  • 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-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 ...
  • 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 ...
  • Fabrication and characterization of flexible composite material based on Aerographite/InP micro-nanostructures 
    PLESCO, Irina; STROBEL, Julian; SCHÜTT, Fabian; GORCEAC, Leonid; CINIC, Boris; HIMCINSCHI, Cameliu; MISHRA, Yogendra Kumar; KIENLE, Lorenz; ADELUNG, Rainer; TIGINYANU, Ion (Technical University of Moldova, 2017)
    The goal of this work is to extend the class of flexible hybrid nanomaterials based on aerographite scaffolds. For this purpose, we developed the technological conditions for the deposition of InP:Zn micro- and nanostructures ...
  • 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 ...
  • 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 ...
  • Light interacting with interconnected Nanomaterials: from extreme absorbers to fast sensors 
    ADELUNG, Rainer (Technical University of Moldova, 2015)
    Almost perfect black and white materials can be created on the basis of highly porous 3D materials from metal oxide semiconductors like ZnO or SnO2 in a flame transport synthesis. The white appearance originates by the ...
  • Manosensors based on individual hibrid structures and their application in gas sensing at room temperature 
    POSTICA, Vasile; GRÖTTRUP, Jorit; ADELUNG, Rainer; SONTEA, Victor; LUPAN, Oleg (Tehnica UTM, 2019)
    During the last decades, the progress of bottom-up technologies has emerged in fabrication of high-performance nanodevices based on individual nano- and microstructures [1-3]. A special attention has been paid for metal ...
  • MOF-Coated 3D-Printed ZnO Tetrapods as a Two-in-One Sensor for H2 Sensing and UV Detection 
    CHAKRABORTY, Barnika; SCHADTE, Philipp; POSCHMANN, Mirjam P. M.; LUPAN, Cristian; ZADOROJNEAC, Tudor; MAGARIU, Nicolae; PADUNNAPPATTU, Ajay; SCHÜTT, Fabian; LUPAN, Oleg; SIEBERT, Leonard; STOCK, Norbert; ADELUNG, Rainer (Springer Nature Switzerland, 2023)
    The various applications of hydrogen in the energy sector require sensor materials that can efficiently detect small amounts of H2 in gas mixtures. One solution is the use of a Metal-organic Framework (MOF)-functionalized ...
  • Nanosensors and Sensors Based on Heterostructured Materials for Safety and Biomedical Applications 
    LUPAN, Oleg; PAUPORTÉ, Thierry; HANSEN, Sandra; ADELUNG, Rainer (Technical University of Moldova, 2022)
    The challenges of using the properties of semiconducting oxides for practical application will be discussed and strategies for the fabrication, characterization, and integration of nanodevices through new technologies will ...
  • Nano–senzor de hidrogen în baza unui singur nanotub de TiO2 
    ENACHI, Mihail; Lupan, Oleg; BRANIŞTE, Tudor; SARUA, Andrei; ADELUNG, Rainer; TIGINYANU, Ion (Tehnica UTM, 2014)
    În lucrarea dată a fos realatată posibilitatea practică de realizare a unui senzor de H2 în baza unui singur nanotub de TiO2. Tubul de TiO2 a fost obţinut prin dispersarea membranei naotubulare de TiO2, obţinute la rândul ...
  • A New Approach in Detection of Biomarker 2-propanol with PTFE-Coated TiO2 Nanostructured Films 
    SCHRÖDER, Stefan; BRINZA, Mihai; CRETU, Vasile; ZIMOCH, Lukas; GRONENBERG, Monja; ABABII, Nicolai; RAILEAN, Serghei; STRUNSKUS, Thomas; PAUPORTE, Thierry; ADELUNG, Rainer; FAUPEL, Franz; LUPAN, Oleg (Springer Nature Switzerland, 2023)
    Certain molecules act as biomarkers in exhaled breath or outgassing vapors of biological systems. Metal oxide gas sensors are of great interest to detect these molecules. However, often they are not selective enough to ...
  • Oxide Semiconductors as Antiviral Agents: Herpes Therapy from Lab to Pharmacy 
    ADELUNG, Rainer (Tehnica UTM, 2015)
    Herpes simplex viruses (HSV) establish lifelong infections, and the virus cannot yet be eradicated from the body. The HSV-2 type is one of the most frequent sexually transmitted infections worldwide with global estimates ...
  • Pd-doped ZnO nanostructured films for multifunctional applications 
    POSTICA, Vasile; HOPPE, Mathias; ADELUNG, Rainer; PAUPORTÉ, Thierry; ABABII, Nicolai; TROFIM, Viorel; SONTEA, Victor; LUPAN, Oleg (Technical University of Moldova, 2017)
    In this work Pd-doped ZnO (ZnO:Pd) nanostructured films were deposited on pre-cleaned glass substrates via a synthesis from chemical solutions (SCS) approach from aqueous baths. The post-rowth thermal annealing, namely ...
  • Photoconductivity relaxation in nanostructured InP 
    POSTOLACHE, Vitalie; MONAICO, Eduard; BORODIN, Eugeniu; LUPAN, Oleg; URSAKI, Veaceslav; ADELUNG, Rainer; NIELSH, Kornelius; TIGINYANU, Ion (Tehnica UTM, 2014)
    We show that long-duration-photoconductivity decay (LDPCD) and persistent photoconductivity (PPC) in porous InP structures produced by anodization of InP substrates can be controlled through the control of their morphology. ...
  • Photodetector Based on β-Ga2O3 Nanowires on GaSxSe1-X Solid Solution Substrate 
    SPRINCEAN, Veaceslav; CARAMAN, Mihail; QIU, Haoyi; TJARDTS, Tim; SEREACOV, Alexandr; AKTAS, Cenk; ADELUNG, Rainer; LUPAN, Oleg (Springer Nature Switzerland, 2023)
    The detection of radiation in the ultraviolet C (UVC) region (100–280 nm) is of great importance for numerous technical applications, such as fire detection in security devices, tracking astronomical missile trajectories, ...
  • Porous materials for electrical gas sensors and actuators without moveable part 
    ADELUNG, Rainer (Technical University of Moldova, 2022)
    This talk briefly summarizes the work of our group over the last decade, showing how highly porous materials can be used as both electrical sensors and electrical actuators without the need for moving parts. This is because ...
  • The Reliability to Gamma Radiation of Gas Sensors Based on Nanostructured ZnO:Eu 
    LUPAN, Cristian; BÎRNAZ, Adrian; BUZDUGAN, Artur; ZIMOCH, Lukas; ADELUNG, Rainer; LUPAN, Oleg (Technical University of Moldova, 2022)
    In this work it was investigated the reliability to ionizing radiation of Eu-doped ZnO nanostructured films functionalized with Pd. Morphological, sensorial and electrical properties of sensors were studied initially, after ...

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