Abstract
In this work, CuO/n-Si and AuNPs-decorated CuO/n-Si heterojunction photodetectors were fabricated by deposition of CuO nanoplatelets and Au nanoparticles NPs decorated CuO nanoplatelets on silicon substrates by laser ablation in methanol. Atomic force microscope AFM, scanning electron microscope SEM and transmission electron microscope TEM were used to study the structural and surface morphology of CuO and AuNPs–CuO. The electrical properties showed that the CuO/Si and AuNPs decorated-CuO/Si showed rectifying behavior. The maximum values of quantum efficiency were about 41 and 78% at 700 nm for CuO/Si and AuNPs–CuO/Si photodetectors, respectively. The I–V characteristics of the photodetectors were measured under UV light.
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Ismail, R.A., Abdul Hamed, R.S. Decoration of copper oxide nanoplatelets with gold nanoparticles by laser ablation in methanol for photodetection applications. Opt Quant Electron 50, 300 (2018). https://doi.org/10.1007/s11082-018-1567-0
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DOI: https://doi.org/10.1007/s11082-018-1567-0