Hydrothermal Synthesis of Zinc Oxide (ZnO) Microparticle


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Zinc oxide (ZnO) microparticle was synthesized by hydrothermal route using zinc acetate and ammonium hydroxide as the starting precursors in the mole ratio of 1:6. The final mixture solution was adjust with pH of 9 and treated in PTFE-line autoclave at 100 oC for 2, 4 and 6 h. The precipitate was washed with deionized water until the final pH solution of 7 and then dried at 100 oC for 4h. The phase structure was examined by X-ray diffraction (XRD). A single phase hexagonal structure was obtained without calcination step. Microstructure was investigated by scanning electron microscopy (SEM). The particle size of ZnO was in the range of 0.15-1.5 µm with irregular in shape. The chemical composition was identified by energy dispersive X-ray spectroscopy (EDXS). The elemental composition of ZnO showed the characteristic X-ray energy value as follows: zinc of Lα = 1.012 keV, Kα = 8.630 keV and Kβ = 9.570 keV and oxygen of Kα = 0.525 keV, respectively.



Advanced Materials Research (Volumes 55-57)

Main Theme:

Edited by:

Tawee Tunkasiri






P. Pookmanee et al., "Hydrothermal Synthesis of Zinc Oxide (ZnO) Microparticle", Advanced Materials Research, Vols. 55-57, pp. 845-848, 2008

Online since:

August 2008




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