Self-powered p-NiO/n-ZnO heterojunction ultraviolet photodetectors fabricated on plastic substrates

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dc.contributor.authorHasan, Md Rezaul
dc.contributor.authorXie, Ting
dc.contributor.authorBarron, Sara C.
dc.contributor.authorLiu, Guannan
dc.contributor.authorNguyen, Nhan V.
dc.contributor.authorMotayed, Abhishek
dc.contributor.authorRao, Mulpuri V.
dc.contributor.authorDebnath, Ratan
dc.date.accessioned2016-08-08T23:53:06Z
dc.date.available2016-08-08T23:53:06Z
dc.date.issued2015-10-01
dc.description.abstractA self-powered ultraviolet (UV) photodetector (PD) based on p-NiO and n-ZnO was fabricated using low-temperature sputtering technique on indium doped tin oxide (ITO) coated plastic polyethylene terephthalate (PET) substrates. The p-n heterojunction showed very fast temporal photoresponse with excellent quantum efficiency of over 63% under UV illumination at an applied reverse bias of 1.2 V. The engineered ultrathin Ti/Au top metal contacts and UV transparent PET/ITO substrates allowed the PDs to be illuminated through either frontside or backside. Morphology, structural, chemical, and optical properties of sputtered NiO and ZnO films were also investigated.
dc.description.sponsorshipOne of the authors (M.R.H.) acknowledges the financial support of NSF Grant No. 203146. The devices were fabricated in the Nanofab of the NIST Center for Nanoscale Science and Technology (CNST). The authors are grateful to Dr. Kerry Siebein and Dr. David J. Gundlach of NIST for their valuable help with XRD and EQE measurements, respectively. Publication of this article was funded in part by the George Mason University Libraries Open Access Publishing Fund.
dc.identifier.citationHasan, Md Rezaul, Ting Xie, Sara C. Barron, Guannan Liu, Nhan V. Nguyen, Abhishek Motayed, Mulpuri V. Rao, and Ratan Debnath. “Self-Powered P-NiO/n-ZnO Heterojunction Ultraviolet Photodetectors Fabricated on Plastic Substrates.” APL Materials 3, no. 10 (October 1, 2015): 106101. doi:10.1063/1.4932194.
dc.identifier.doihttp://dx.doi.org/10.1063/1.4932194
dc.identifier.urihttps://hdl.handle.net/1920/10331
dc.language.isoen_US
dc.publisherAmerican Institute of Physics
dc.subjectUltraviolet light
dc.subjectZinc oxide films
dc.subjectII-VI semiconductors
dc.subjectIllumination
dc.subjectGold
dc.titleSelf-powered p-NiO/n-ZnO heterojunction ultraviolet photodetectors fabricated on plastic substrates
dc.typeArticle

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