Detection properties of individual and networked CNT-ZnO-hybrid tetrapods
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POSTICA, Vasile, LUPAN, Oleg, SHONTYA, Viktor, TROFIM, Viorel, SCHUTT, Fabian, SMAZNA, Daria, MISHRA, Yogendra Kumar, ADELUNG, Rainer. Detection properties of individual and networked CNT-ZnO-hybrid tetrapods. In: IEEE International Conference on Nanomaterials: Applications and Properties: NAP 2017, 10-15 septembrie 2017, Zatoka. New Jersey, USA: Institute of Electrical and Electronics Engineers Inc., 2017, Ediția a 7-a, p. 0. ISBN 978-153862810-2. DOI: https://doi.org/10.1109/NAP.2017.8190198
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IEEE International Conference on Nanomaterials: Applications and Properties
Ediția a 7-a, 2017
Conferința "IEEE International Conference on Nanomaterials: Applications and Properties"
Zatoka, Ucraina, 10-15 septembrie 2017

Detection properties of individual and networked CNT-ZnO-hybrid tetrapods

DOI:https://doi.org/10.1109/NAP.2017.8190198

Pag. 0-0

Postica Vasile1, Lupan Oleg1, Shontya Viktor1, Trofim Viorel1, Schutt Fabian2, Smazna Daria2, Mishra Yogendra Kumar2, Adelung Rainer2
 
1 Technical University of Moldova,
2 Institute for Material Science, Christian-Albrechts-University of Kiel
 
 
Disponibil în IBN: 14 iunie 2022


Rezumat

In this work, the UV detection properties of ZnO tetrapod (ZnO-T) networks functionalized with carbon nanotubes (CNTs), as well as for individual ZnO-T-CNT are reported. The ZnO-T networks were fabricated via a flame transport synthesis (FTS) approach, while hybridization with CNTs was performed by a simple dripping procedure using a commercially available aqueous CNT dispersion (CarboByk 9810). The amount of CNT in the hybrid material was varied in the range of 0.8-4.0 wt% CNTs. While hybrid networks demonstrated inferior UV sensing performances compared to pristine ZnO-T networks, the individual ZnO-T-CNT showed more improved performances, even compared to individual ZnO-T. The fabricated microsensor showed an UV response of ∼ 700 at 3 V applied bias voltage. The calculated time constants for rising and decaying photocurrent are also lower compared to individual ZnO-T. These results are quite promising for high performance optoelectronic applications, especially for UV photodetectors, demonstrating the high efficiency of hybridization.

Cuvinte-cheie
carbon nanotubes, CNT, Hybrid, nanosensor, UV photodetector, ZnO

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<dc:creator>Postica, V.</dc:creator>
<dc:creator>Lupan, O.I.</dc:creator>
<dc:creator>Şontea, V.P.</dc:creator>
<dc:creator>Trofim, V.G.</dc:creator>
<dc:creator>Schutt, F.</dc:creator>
<dc:creator>Smazna, D.</dc:creator>
<dc:creator>Mishra, Y.</dc:creator>
<dc:creator>Adelung, R.</dc:creator>
<dc:date>2017</dc:date>
<dc:description xml:lang='en'><p>In this work, the UV detection properties of ZnO tetrapod (ZnO-T) networks functionalized with carbon nanotubes (CNTs), as well as for individual ZnO-T-CNT are reported. The ZnO-T networks were fabricated via a flame transport synthesis (FTS) approach, while hybridization with CNTs was performed by a simple dripping procedure using a commercially available aqueous CNT dispersion (CarboByk 9810). The amount of CNT in the hybrid material was varied in the range of 0.8-4.0 wt% CNTs. While hybrid networks demonstrated inferior UV sensing performances compared to pristine ZnO-T networks, the individual ZnO-T-CNT showed more improved performances, even compared to individual ZnO-T. The fabricated microsensor showed an UV response of &sim; 700 at 3 V applied bias voltage. The calculated time constants for rising and decaying photocurrent are also lower compared to individual ZnO-T. These results are quite promising for high performance optoelectronic applications, especially for UV photodetectors, demonstrating the high efficiency of hybridization.</p></dc:description>
<dc:source>IEEE International Conference on Nanomaterials: Applications and Properties (Ediția a 7-a) 0-0</dc:source>
<dc:subject>carbon nanotubes</dc:subject>
<dc:subject>CNT</dc:subject>
<dc:subject>Hybrid</dc:subject>
<dc:subject>nanosensor</dc:subject>
<dc:subject>UV photodetector</dc:subject>
<dc:subject>ZnO</dc:subject>
<dc:title>Detection properties of individual and networked CNT-ZnO-hybrid tetrapods</dc:title>
<dc:type>info:eu-repo/semantics/article</dc:type>
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