Different morphologies of ZnO nanostructures via polymeric complex sol-gel method: synthesis and characterization

作者：Farhadi Khouzani Masoud; Fereshteh Zeinab; Loghman Estarki Mohammad Reza^*; Razavi Reza Shoja

来源：Journal of Sol-Gel Science and Technology, 2012, 64(1): 193-199.

DOI：10.1007/s10971-012-2847-y

• Nanostructured materials
• Polymeric complex method
• Semiconductors
• Pechini processes
• Zinc oxide
• Optical properties

Various morphologies of ZnO nanostructures, such as nanoparticles, nanorods and nanoflowers have been achieved controllably by polymeric sol-gel method. In this approach, zinc nitrate Zn(NO3)(2)center dot 6H(2)O, citric acid and ethylene glycol were used as the source of Zn2+, the chelating agent and the solvent agent, respectively. The microstructure of the ZnO nanostructures was characterized by X-ray diffractometry, scanning electron microscopy with the energy dispersive X-ray spectroscopy, transmission electron microscopy, thermogravimetric analysis and Fourier transform infrared spectroscopy. The effect of ethylene glycol to citric acid mole ratio on the morphology and structure of the products was discussed. The ZnO nanoparticles with diameter between 24 +/- A 2 nm was obtained with EG:CA mole ratio equal to 2:1. The optical properties of as-obtained power were investigated by ultraviolet-visible spectroscopy.

• 出版日期2012-10