Single Nanowire-based Nanosensors
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Ultima descărcare din IBN:
2018-10-10 20:10
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LUPAN, Oleg; ADELUNG, Rainer; PAUPORTE, Thierry; KIENLE, Lorenz; TIGHINEANU, Ion; CHOW, Lee. Single Nanowire-based Nanosensors. In: Multidisciplinarity in Modern Science for the Benefit of Society. 21-22 septembrie 2017, Chișinău. Chișinău, Republica Moldova: Inst. de Fizică Aplicată, 2017, p. 18. ISBN 978-9975-9787-1-2.
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Multidisciplinarity in Modern Science for the Benefit of Society 2017
Masa rotundă "Multidisciplinarity in Modern Science for the Benefit of Society"
Chișinău, Moldova, 21-22 septembrie 2017

Single Nanowire-based Nanosensors


Pag. 18-18

Lupan Oleg1234, Adelung Rainer2, Pauporte Thierry3, Kienle Lorenz2, Tighineanu Ion1, Chow Lee4
 
1 Technical University of Moldova,
2 Institute for Material Science, Christian-Albrechts- University of Kiel,
3 PSL Research University, Chimie ParisTech - CNRS, Institut de Recherche de Chimie Paris,
4 University of Central Florida
 
Disponibil în IBN: 15 martie 2018



Teza

Noble metals, such as Pd, Ag, Pt, Au and Ru, are known to be very effective catalysts and help in the improvement of the metal oxides sensing properties. A series of methods have been proposed to incorporate these metals into oxides nanostructures to improve the sensing performances. Enhanced properties were obtained for nanosensors based on a single nanowire (NW) of noble metal-doped zinc oxide as well as for noble metal - functionalized one. Crystalline nanowires of semiconducting oxides were synthesized by thermal growth or electrodeposition and studied by scanning electron microscopy SEM, EDX, TEM, HRTEM, SIMS, X-Ray photoelectron spectroscopy, PL and micro-Raman spectroscopy. Integration of a single NW on the chip was performed by using metal maskless nanodeposition in the dual beam focused electron/ion beam instrument. The ultraviolet (UV) and gas response were studied for nanosensors based on a single NW. We found that ZnO:Ag NW based nanosensors possess a much faster response/recovery times than those reported in literature. Also, nanosensors based on a single CuO NW or Fe2O3 NW have been successfully fabricated and studied in details. The developed nanosensors are of high scientific and engineering interest as candidates for fabricating multifunctional detectors.