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

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dc.contributor.author Hasan, Md Rezaul
dc.contributor.author Xie, Ting
dc.contributor.author Barron, Sara C.
dc.contributor.author Liu, Guannan
dc.contributor.author Nguyen, Nhan V.
dc.contributor.author Motayed, Abhishek
dc.contributor.author Rao, Mulpuri V.
dc.contributor.author Debnath, Ratan
dc.date.accessioned 2016-08-08T23:53:06Z
dc.date.available 2016-08-08T23:53:06Z
dc.date.issued 2015-10-01
dc.identifier.citation Hasan, 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. en_US
dc.identifier.uri https://hdl.handle.net/1920/10331
dc.description.abstract A 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.sponsorship One 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. en_US
dc.language.iso en_US en_US
dc.publisher American Institute of Physics en_US
dc.subject Ultraviolet light en_US
dc.subject Zinc oxide films en_US
dc.subject II-VI semiconductors en_US
dc.subject Illumination en_US
dc.subject Gold en_US
dc.title Self-powered p-NiO/n-ZnO heterojunction ultraviolet photodetectors fabricated on plastic substrates en_US
dc.type Article en_US
dc.identifier.doi http://dx.doi.org/10.1063/1.4932194


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