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dc.contributor.authorAl-Ghamdi, A.A. and Bostanci, H. and Al-Hartomy, O.A. and Soylu, M. and El-Tantawy, F. and Yakuphanoglu, F.
dc.date.accessioned2021-04-08T12:09:41Z
dc.date.available2021-04-08T12:09:41Z
dc.date.issued2014
dc.identifier10.1166/jno.2014.1600
dc.identifier.issn1555130X
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84918809961&doi=10.1166%2fjno.2014.1600&partnerID=40&md5=fc703f3e80d67cc5fbdb6eabbed02d79
dc.identifier.urihttp://acikerisim.bingol.edu.tr/handle/20.500.12898/4878
dc.description.abstractNanocrystalline tungsten oxide (WO3) has unique properties and immense application potential toward nanodevice fabrication. The WO3 nanorods were successfully synthesized via a facile hydrothermal reaction technique at low temperature using phosphotungstic acid and urea for the first time. This method provides a fast, simple, low cost and green large scale route to produce monoclinic WO3 nanorods. The purity, microstructure, morphology of the WO3 nanorods were examined in terms of X-ray diffraction, energy dispersive X-ray spectrum, field emission scanning electron microscopy, and transmission electron microscopy. The synthesized WO3 nanorods had a monoclinic structure with high purity with mean diamter 14 nm and the mean length 118 nm. The WO3/p-Si/Al heterostructure demonstrated a very high rectification ratio of 1.397×104 at a ±5 V bias voltage. The dependence of the electrical characteristics of WO3/p-Si/Al diode on the illumination were investigated. The photocurrent in the reverse biased I-V measurement were found to be strongly illumination dependent. The interface state density for the Al/WO3/p-Si diodes was found to be ∼1014 (eV-1 cm-2). This indicates that the interface between p-Si and WO3 has various kinds of interface states. The obtained results suggest that the WO3/p-Si/Al photodiode can be used for visible light sensor applications. Copyright © 2014 American Scientific Publishers. All rights reserved.
dc.language.isoEnglish
dc.sourceJournal of Nanoelectronics and Optoelectronics
dc.titlePreparation of tungsten trioxide nanorods by hydrothermal route: N-tungsten trioxide nanorods/p-silicon p-n junction


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