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首页> 外文期刊>Materials Letters >Influence of the thermodynamic stability of microemulsion on the size of nanoparticles prepared by a coupling route of microemulsion with homogeneous precipitation
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Influence of the thermodynamic stability of microemulsion on the size of nanoparticles prepared by a coupling route of microemulsion with homogeneous precipitation

机译:微乳液的热力学稳定性对通过微乳液与均相沉淀偶联路径制备的纳米颗粒尺寸的影响

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Cerium oxalate nanoparticles were synthesized from the coupling route of microemulsion with homogeneous precipitation; the average size of nanoparticles was measured by BI-90 particle size analyzer. To make clear the influence of the thermodynamic stability of microemulsion used on the size of nanoparticles, the variation of the standard free energy of cosurfactant transfer from the continuous phase to the interface of microemulsion (DELTA G_(c->i)) was calculated by the dilution method. The results showed the variation of DELTA G_(c->i) had complex effects on the average size of cerium oxalate nanoparticles; the reaction temperature and the sorts of surfactants also influenced the average size of nanoparticles.
机译:草酸铈纳米颗粒是通过微乳液与均相沉淀的偶联途径合成的。纳米颗粒的平均尺寸通过BI-90粒度分析仪测量。为了弄清所用微乳液的热力学稳定性对纳米粒子尺寸的影响,通过以下公式计算了助表面活性剂从连续相转移到微乳液界面的标准自由能的变化(ΔG_(c-> i))。稀释方法。结果表明,DELTA G_(c-> i)的变化对草酸铈纳米颗粒的平均尺寸具有复杂的影响。反应温度和表面活性剂的种类也影响了纳米粒子的平均尺寸。

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