Optical properties of nanoporous structure ZnO
by Aziz Azlinda; Kevin Alvin Eswar; Zuraida Khusaimi; Mohamad Rusop Mahmood
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 7, No. 3/4, 2016

Abstract: This paper presents an efficient method to prepare ZnO nanoporous structure via immersion of Si substrate with catalyst assistance (gold) in the mixture of zinc nitrate hexahydrate (Zn(NO₃)₂.6H₂O) and urea (CH₄N₂O). Photoluminescence (PL) spectra of nanoporous ZnO revealed it had strong UV emission with low oxygen defect. Optical properties are found to be significantly affected by varying the Zn2+: urea ratio but from surface morphology observation, the porous structure was stable and seemingly unchanged.

Online publication date: Mon, 19-Jun-2017

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