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Mild solution synthesis of plate-like and rod-like ZnO crystals
Authors:Fumihiro Gobo  Takehiro Goto  Tengfa Long  Shu Yin  Tsugio Sato
Institution:1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
2. Guangxi Normal University, Guilin, People??s Republic of China
Abstract:Micro-disks and micro-rods of ZnO were successfully synthesized by a mild solution process using zinc chloride as starting material. The morphology of the ZnO crystals changed substantially, depending on the concentrations of the Zn2+ ion and organic additives in the solution. A plate-like Zn5(OH)8Cl2·H2O precursor with a layered structure could be produced in solutions with high concentrations of chloride ions. The thermal stability, including phase composition and morphology, of the as-prepared Zn5(OH)8Cl2·H2O in air and water was investigated.
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