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dc.contributor.authorMaurya M.R.en_US
dc.contributor.authorToutam V.en_US
dc.contributor.authorBathula S.en_US
dc.contributor.authorPal P.en_US
dc.contributor.authorGupta B.K.en_US
dc.date.accessioned2020-01-16T06:32:06Z-
dc.date.available2020-01-16T06:32:06Z-
dc.date.issued2020-
dc.identifier.urihttp://dx.doi.org/10.1088/1361-6528/ab474e-
dc.identifier.urihttp://idr.iitbbs.ac.in/jspui/handle/2008/2529-
dc.description.abstractZinc oxide (ZnO) one-dimensional nanostructures are extensively used in ultra-violet (UV) detection. To improve the optical sensing capability of ZnO, various nickel oxide (NiO) based p-n junctions have been employed. ZnO/NiO heterojunction based sensing has been limited to UV detection and not been extended to the visible region. In the present work, p-NiO/n-ZnO composite nanowire (NW) heterojunction based UV-visible photodetector is fabricated. A porous anodic aluminum oxide template based electrochemical deposition method is adopted for well separated and vertically aligned growth of composite NWs. The photoresponse is studied in an out of plane contact configuration. The fabricated photodetector shows fast response under UV-visible light with a rise and decay time of tens of ms. The wide spectral photoresponse is analyzed in terms of conduction from defect states of ZnO and interfacial defects during p-n junction formation. Light interaction with heterojunction along the length of the composite NW results in enhanced visible photoresponse of the detector and is further supported by simulation. � 2019 IOP Publishing Ltd.en_US
dc.language.isoenen_US
dc.subjectanodic aluminaen_US
dc.subjectcompositeen_US
dc.subjectphotodetectoren_US
dc.subjectZnO/NiOen_US
dc.titleWide spectral photoresponse of template assisted out of plane grown ZnO/NiO composite nanowire photodetectoren_US
dc.typeArticleen_US
Appears in Collections:Research Publications

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