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 SM ISO690:2012POSTICA, 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 |
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Conferința "IEEE International Conference on Nanomaterials: Applications and Properties" Zatoka, Ucraina, 10-15 septembrie 2017 | ||||||
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| DOI:https://doi.org/10.1109/NAP.2017.8190198 | ||||||
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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. |
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| Cuvinte-cheie carbon nanotubes, CNT, Hybrid, nanosensor, UV photodetector, ZnO |
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