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  • Solvothermal synthesis of hierarchical Eu2O3 nanostructures templated by PS-b-PMAA: morphology control via simple variation of water contents.
  • 来源:孟建强教授,博士生导师个人网站 2016-01-21
  • A new method to synthesize hierarchical Eu203 nanostructures via a solvothermal process in N,N''''-dimethyl formamide (DMF) templated by an ionic amphiphilic diblock copolymer polystyrene-block-poly (methacrylic acid) (PS-b一PMAA) has been developed. By simply varying the mass ratio of HZO over DMF from 0 to 20 wt% in the polymer-salt mixed solution, a series of Eu203 morphologies including worm-like nanoparticles, nanoparticulate mesoporous microspheres, staggered sheets, and sheet-built microspheres are synthesized. The mechanism of the morphology control is the combined effect of both, guiding the europium salt in the PMAA domains  of  the  micro-phase  separated/self-assembled  PS-b-PMAA, and the hydrolysis一condensation process associated with the solvothermal treatment step.

  • [来源:中国聚合物网]
  • 了解更多请进入: 孟建强教授,博士生导师个人网站
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