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本文通过蒸发微乳液体系中的溶剂得到了六角形的氧化锌亚微米粒子,其具有超晶格结构。所得产物用红外(FT-IR)和透射电镜(TEM)进行了表征,并进行了热重分析(TGA)。通过监测反应过程,研究了该粒子的形成机制。实验观察到约7nm的纳米氧化锌粒子聚集成亚微米的球形超晶格粒子,该球形粒子随溶剂蒸发进行了自组装,并由于界面相互作用转换成六角形的超晶格粒子。
In this paper, hexagonal zinc oxide submicron particles were obtained by evaporation of the solvent in the microemulsion system, which has a superlattice structure. The obtained product was characterized by FT-IR and TEM, and the thermal gravimetric analysis (TGA) was carried out. By monitoring the reaction process, the formation mechanism of the particles was studied. It was observed experimentally that the nano-sized zinc oxide particles of about 7 nm aggregated into submicron spherical superlattice particles that were self-assembled with solvent evaporation and transformed into hexagonal superlattice particles due to interface interactions.