Fabrication of UV photo-detector based on coral reef like p-NiO/n-ZnO nanocomposite structures
2013; Elsevier BV; Volume: 108; Linguagem: Inglês
10.1016/j.matlet.2013.06.083
ISSN1873-4979
AutoresMazhar Ali Abbasi, Zafar Hussain Ibupoto, Azam Ali Khan, Omer Nur, M. Willander,
Tópico(s)Transition Metal Oxide Nanomaterials
ResumoIn this research work, a UV photo-detector is fabricated on fluorine doped tin oxide (FTO) glass substrate by exploiting the advantageous features of p–n heterojunctions based on p-NiO and n-ZnO composite nanostructures forming a coral-reef like structures. Scanning electron microscopy (SEM) and X-ray diffraction results showed uniform morphology and good crystal quality of the synthesised nanostructures respectively. I–V measurements have shown nonlinear and rectifying response of the p-NiO/n-ZnO heterojunction. The proposed photodiode exhibited excellent UV response with acceptable photocurrent generation of about 3.4 mA and the responsivity of 2.27 A/W at −3 biasing voltage.
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