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Development of fast and sensitive ultraviolet photodetector using p-type NiO/n-type TiO2 heterostructures
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
2013 (English)In: Physica Status Solidi (a) applications and materials science, ISSN 1862-6300, E-ISSN 1862-6319, Vol. 210, no 12, 2720-2724 p.Article in journal (Refereed) Published
Abstract [en]

The fast and sensitive ultraviolet (UV) photodetector are of high demand due to their potential applications in several fields. Therefore, the present study describes the synthesis of well aligned TiO2 nanorods, NiO nanostructures and their composite hetero-structures on the fluorine doped tin oxide (FTO) glass substrate by hydrothermal method. The material characterization was performed by scanning electron microscopy and X-ray diffraction. The synthesized nanostructures are well aligned, dense, and uniform on the substrate. TiO2 nanostructures are tetragonal in shape with rutile phase. The current-voltage (I-V) characteristics were measured at room temperature. The photodiode exhibits nonlinear and rectifying behavior with high sensitivity and fast UV detection response. The enhanced photocurrent and less dark current are the attractive features of the fabricated photodiode. The observed UV response for the photodetector describes its worth and potential application in the respective fields.

Place, publisher, year, edition, pages
Wiley-VCH Verlag , 2013. Vol. 210, no 12, 2720-2724 p.
Keyword [en]
heterojunction; nickel oxide; titanium dioxide; UV photodetector
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-103727DOI: 10.1002/pssa.201330149ISI: 000328452500031OAI: oai:DiVA.org:liu-103727DiVA: diva2:690687
Available from: 2014-01-24 Created: 2014-01-24 Last updated: 2017-12-06

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Hussain Ibupoto, ZafarWillander, Magnus

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CiteExportLink to record
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  • apa
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  • Other style
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  • de-DE
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