Effect of Precursor Concentration in the Synthesization of ZnO Nanostructures by Solution-Immersion Method

Abstract:

The effect of precursor concentration ranging from 0.1 to 0.5 M using the mixture of zinc nitrate hexahydrate (Zn(NO3)2.6H2O) and urea (CH4N2O) at 60 oC evaluated in this study. ZnO nanostructures have been prepared by solution immersion method on gold-seeded silicon substrate (Si/Au). Solution immersion method was adopted with the intention to develop a large area deposition at low-temperature benign method of preparation. As concentration increase, the morphologies are seemingly changed from rod (~300 nm) to accumulated nanosheets that consist of many pores. The structural and optical effect of changing the precursor concentration on the synthesization of ZnO films were investigated by X-ray diffractometer (XRD) and room temperature photoluminescence (PL) measurement, respectively. A unique development of size and growth orientation is seemingly affected by the change of the precursor concentration.

• Periodical: Advanced Materials Research (Volume 667)
• Pages: 501-506
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.667.501
• Online since: March 2013
• Authors: Azlinda Ab Aziz, Zuraida Khusaimi, Mohamad Rusop Mahmood
• Keywords: Gold-Seeded Si Substrate, Precursor Concentration, Solution Immersion Method, Urea

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