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Highly oriented cubic, hollow cubic and spherical nanoparticles of cobalt-iron Prussian blue analogues were synthesized in poly oxyethylene tertoctylphenyl ether (TritonX-100)/n-hexanol/cyclohexane microemulsion. The effects of the water-to-surfactant molar ratio (w), the reactant concentration and the reaction temperature on the morphology of cobalt-iron Prussian blue analogues were studied. The samples were characterized by transmission electron microscopy (TEM), field emission scan electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD) and infrared spectroscopy (IR). 相似文献
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采用折射率法测定了非水微乳体系{N,N-二甲基乙酰胺(DMA)/二(2-乙基己基)琥珀酸酯磺酸钠(AOT)/正辛烷}在不同DMA与AOT摩尔比ωs时的温度-折射率(T-n)共存曲线, 并根据曲线推导出临界指数β和指前因子B. 结果表明, 临界组成φc(即DMA和AOT的体积之和在总体积中所占的分数)随ωs的增加而降低, 而临界温度Tc随ωs增加而增大; 临界指数β与ωs无关, 其数值趋近于Fisher重整化理论值(0.365); 与体系有关的指前因子B随ωs的增加而增大. 相似文献
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