SYNTHESIS FOR NANOFLOWER AND ROD OFZnOBY A SURFACTANT FREE AND LOW TEMPERATURE METHOD

Byung Sun Han, Young Rang Uhm and Chang Kyu Rhee
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Byung Sun Han: Advance Material Organization (AMO), Gimpo 415-863, South Korea
Young Rang Uhm: Division of Nuclear Materials Research, Korea Atomic Energy Research Institute, Daejeon 305-353, Republic of Korea
Chang Kyu Rhee: Division of Nuclear Materials Research, Korea Atomic Energy Research Institute, Daejeon 305-353, Republic of Korea

Surface Review and Letters (SRL), 2010, vol. 17, issue 02, 173-176

Abstract: ZnOwith 2D flower-like and 1D rod shape were obtained from simple and rapid hydrolysis ofZnnanopowder. TheZnnanopowders were incorporated into distilled water with acetic acid and then the solution was stirred at 60°C for 8 h. The nanoflower-like and rod shape were formed without any surfactant. It seems that the acetic acid played a role of controlling PH and etching the oxide layer on the surface of metal nanopowders to enhance rapid reaction with distilled water. X-ray diffraction patterns for all samples exhibited that the resultant precipitates were completely transformed toZnOpowder. It is clearly observed that the morphological changes ofZnOwith reaction time in aqueous solution follows chestnut bur → flower → tetrahedron → rod sequences during the hydrolysis reaction.

Keywords: ZnO; nanorod; hydrolysis (search for similar items in EconPapers)
Date: 2010
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DOI: 10.1142/S0218625X10013655

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