Properties of a single SnO2:Zn2SnO4 – Functionalized nanowire based nanosensor
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2018-11-07 14:41
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LUPAN, Oleg; WOLFF, Niklas; POSTICA, Vasilie; BRANIŞTE, Tudor; PAULOWICZ, Ingo; HRKAC, Viktor; MISHRA, Yogendra Kumar; TIGINYANU, Ion; KIENLE, Lorenz; ADELUNG, Rainer. Properties of a single SnO2:Zn2SnO4 – Functionalized nanowire based nanosensor. In: Ceramics International. 2018, nr. 5(44), pp. 4859-4867. ISSN 0272-8842.
10.1016/j.ceramint.2017.12.075
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Ceramics International
Numărul 5(44) / 2018 / ISSN 0272-8842

Properties of a single SnO2:Zn2SnO4 – Functionalized nanowire based nanosensor


DOI: 10.1016/j.ceramint.2017.12.075
Pag. 4859-4867

Lupan Oleg12, Wolff Niklas1, Postica Vasilie2, Branişte Tudor2, Paulowicz Ingo3, Hrkac Viktor1, Mishra Yogendra Kumar1, Tiginyanu Ion2, Kienle Lorenz1, Adelung Rainer1
 
1 Institute for Material Science, Christian-Albrechts- University of Kiel,
2 Technical University of Moldova,
3 Phi-Stone AG, Kiel
 
Disponibil în IBN: 26 februarie 2018


Rezumat

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 functionalized surface were synthesized on a large scale. The individual SnO2:Zn2SnO4 nanowire based ultraviolet photodetector and ethanol vapors nanosensors were fabricated by contacting an individual nanowire to pre-patterned Au electrodes via a FIB/SEM system. The photodetector structure exhibited excellent photoconductive performance in terms of high response to the 375 nm ultraviolet light irradiation, ultra-fast response and recovery time at different temperatures (25–300 K). It also showed a long term stability and reliability. The n-type semiconducting behavior of the SnO2:Zn2SnO4, forms an excellent material for fabricating highly sensitive and rapid responding sensors, which will enable the development of high-performance multi-functional devices.

Cuvinte-cheie
Ethanol sensor, Hybrid nanomaterials, Nanosensor device, SnO2 nanowires,

UV photodetector