Effect of aging time on the optical, structural and photoluminescence properties of nanocrystalline ZnO films prepared by a sol–gel method

Morphological, Structural and Optical Properties of ZnO Thin Films Deposited by Dip Coating Method

“…Among the deposition parameters mentioned; sol aging time is an important parameter which can have remarkable impact on thin films properties. Heretofore, the promising effects of ZnO sol aging time in terms of crystallinity and reaction-assisting are somehow described in previous reports 29 . However, to the best of our knowledge, no study has ever been done before concerning effects of sol aging time on the sol-gel behavior and the properties of sol-gel derived undoped ZnO thin films deposited by dip coating route.…”

“…Similarly, Singh et al 38 synthesized ZnO nanoparticles via Sol-gel route; they found that the crystallite size as well as the crystallinity of the nanoparticles increased with aging. Ibrahim et al 29 observed that by increasing the precursor aging time, an enhancement of the intensity for all diffraction peaks occurs in general. Despite the difference in precursor composition as well as the deposition route, both we and these previous reports found that sol aging time is of paramount importance in the improvement of the crystallinity.…”

Correlated effects of preparation parameters and thickness on morphology and optical properties of ZnO very thin films

“…Sol concentration is indeed in direct relation with structural state, thickness, roughness and grain sizes [12,[24][25][26][27][28][29]. Synthesis temperature is likened to ageing of solution, which also has influence on thickness, roughness, grain sizes and orientation [30][31][32][33].…”

Annealing Temperature Effect on the Physical Properties of Titanium Oxide Thin Films Prepared by the Sol-Gel Method

“…Focusing on the solgel method, it is one of the most attractive techniques for thin-film deposition, because of low cost, non-vacuum requirements, large area deposition, and low temperature processing. Furthermore, the sol-gel method produces thin films which have good homogeneity, excellent compositional control, and good electrical and optical properties [23].…”