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With the assistance of Keggin-type polyoxometalate (POM) H 3 PW 12 O 40 ·nH 2 O (PW 12 ), ZnO microspheres have successfully been synthesized by a direct route, using zinc acetate dihydrate solid and dilute PW 12 absolute ethanol solution at 120 °C for 24 h. The effects of PW 12 concentration and reaction time were investigated. The results showed...
A new reaction was developed to synthesize ZnO nanoparticles with nearly uniform, spherical morphology ranging from 25 to 50 nm via directly oxidizing zinc powders with iodine in ethanol. Iodine plays key roles in the nucleation of ZnO nanoparticles and it is favorable for the growth of ZnO nanoparticles gradually and avoids the agglomeration to some extent. Moreover, this process is well repeatable...
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