Formation of layered organization of particle with ability of fluorescent-emission using a new polymer nanospheres

我们利用Langmuir-Blodgett(LB)技术构建了具有刚性主链和柔性侧链的芳香族聚酰胺的多粒子层状结构，得到了沿c轴高度规则的排列。通过面外X射线衍射(XRD)分析和原子力显微镜(AFM)观察，确定了颗粒的排列方式。结果表明，在气液界面形成了双粒子层状结构(Y型)，在气液界面形成两亲粒子。具有高度疏水性咔唑含量、氢化侧链和氟化侧链的共聚物也在空气/水界面形成了单颗粒层，并通过LB技术显示了多颗粒层。因此，使用这些技术可以控制单颗粒和双颗粒层状结构的形成。进一步研究发现，同一组分材料可以同时形成聚合物纳米球和聚合物纳米片的多粒子层状组织。

We constructed a multiparticle layered organization of aromatic polyamides with rigid main chains and flexible side chains by the Langmuir-Blodgett (LB) technique, which resulted in a highly regular arrangement along the c-axis. The particle arrangement was estimated by performing out-of-plane X-ray diffraction (XRD) analysis and atomic force microscopic (AFM) observation. The results suggest that a double-particle layered structure (Y-type) is formed by the LB technique, forming amphiphilic particles at the air/water interface. Copolymers with highly hydrophobic carbazole contents and both hydrogenated and fluorinated side-chains also formed a single-particle layer at the air/water interface and exhibited multiparticle layers by a LB technique. Therefore, it is possible to control the formation of single- and double-particle layered structure using these techniques. Further, it was found that multiparticle layered organization of polymer nanospheres and polymer nanosheets could be formed simultaneously with the same component material.