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Investigation of Solvent Effect on the Structural Morphological and Optical properties of ZnO Doped Mg Elaborated by Sol-gel Method

A.El Hamidi*, E.Elmahboub, A.El Hichou, A.Almaggoussi

The aim of this work is to study the effect of the solvent on the structural, morphological and optical properties of Mg doped Zinc Oxide (MZO) thin films. The results of XRD analysis revealed that 2-methoxyethanol solvent grants MZO samples a preferential orientation following the (002) plan taking a maximum value at 2% Mg. While, the samples prepared by methanol solvent shows no preferential orientation. SEM analysis corroborated that elaborating with 2-methoxyethanol attribute an orderly distribution to MZO crystallites. The optical characterization showed that the transmittance of MZO thin films reached a maximum value of 90% for (2% to 3%) Mg with the refractive index showed the lowest value of (1.46). The elaboration with methanol solvent exhibit that the transmittance reaches a maximum value of 80% at 4% Mg, and a minimum of the refractive index with a value of 1.96.