以氯化锌和氢氧化钠为原料,在乙二醇介质中制备了透明结晶纳米氧化锌溶胶,该溶胶经乙醇絮凝和清洗后,可再分散于乙二醇中形成透明分散液.利用FT-IR、UV-vis、XRD、TEM等技术对样品的结构、形貌及晶形进行了分析和表征.实验结果表明:所得纳米氧化锌溶胶在可见光区具有高透过率,在紫外区具有很强的吸收;纳米氧化锌为六方晶系球状结晶,平均粒径约5nm,其表面包覆了有机物,从而防止了粒径的进一步增大,并提高了其在乙二醇中的分散性.
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