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Nanocrystalline Ag-doped ZnO powders were synthesized directly from an aqueous solution of zinc acetate dihydrate and silver nitrate in the presence of poly(ethylene oxide)-b-poly(propylene oxide), (PEO) 19 -b-(PPO) 3 , and sodium hydroxide at 70°C. The ZnO powders had an urchin-like shape without any dopant and this turned to an agglomerated rod-like structure when the Ag loading...
Various shapes of ZnO particles were synthesized through a precipitation method as a low cost technique. The morphological changes due to the use of poly(ethylene oxide)-b-poly(propylene oxide) copolymer as a stabilizer and precipitation from pH solutions of 8, 10 and 12 were investigated. The ZnO powder that was prepared from pH 10 showed the highest efficiency for degrading the dyes methylene blue,...
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