Synthesis of ZnO nanoparticles by hydrothermal method

Aneesh N. Pacheri Madathil; K. A. Vanaja; M. K. Jayaraj

doi:10.1117/12.730364

17 September 2007 Synthesis of ZnO nanoparticles by hydrothermal method

Aneesh N. Pacheri Madathil, K. A. Vanaja, M. K. Jayaraj

Proceedings Volume 6639, Nanophotonic Materials IV; 66390J (2007) https://doi.org/10.1117/12.730364
Event: NanoScience + Engineering, 2007, San Diego, California, United States

Abstract

Stable, OH free zinc oxide (ZnO) nanoparticles were synthesized by hydrothermal method by varying the growth temperature and concentration of the precursors. The formation of ZnO nanoparticles were confirmed by x-ray diffraction (XRD), transmission electron microscopy (TEM) and selected area electron diffraction (SAED) studies. The average particle size have been found to be about 7-24 nm and the compositional analysis is done with inductively coupled plasma atomic emission spectroscopy (ICP-AES). Diffuse reflectance spectroscopy (DRS) results shows that the band gap of ZnO nanoparticles is blue shifted with decrease in particle size. Photoluminescence properties of ZnO nanoparticles at room temperature were studied and the green photoluminescent emission from ZnO nanoparticles can originate from the oxygen vacancy or ZnO interstitial related defects.

Citation Download Citation

Aneesh N. Pacheri Madathil, K. A. Vanaja, and M. K. Jayaraj "Synthesis of ZnO nanoparticles by hydrothermal method", Proc. SPIE 6639, Nanophotonic Materials IV, 66390J (17 September 2007); https://doi.org/10.1117/12.730364

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