Tailored Assemblies of Block Copolymers in Solution: It Is All about the Process
Tailored Assemblies of Block Copolymers in Solution: It Is All about the Process
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DOI：
10.1021/ma9026806
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发表时间：
2010-04-27
期刊：
影响因子：
5.5
通讯作者：
Pochan, Darrin J.
中科院分区：
文献类型：
--
作者：
Hayward, Ryan C.;Pochan, Darrin J.
嵌段共聚物在选择性溶剂中具有自组织成无数聚集体结构的能力，为构建运载工具和复杂的纳米级组装体提供了巨大的希望。这些材料的一个关键特征是它们倾向于在非平衡态中被动力学捕获，这意味着它们采用的结构敏感地依赖于所采用的处理路线。虽然这使得充分探索可能的形态具有挑战性，但这也意味着对自组装途径的仔细关注可以对所产生的非平衡结构进行显着控制。在这个角度来看，我们强调了几个最近的进展，提供了新的水平的可定制的嵌段共聚物组件的结构和封装的内容在溶液中的加工方法。
Block copolymers have the capacity to self-organize into a myriad of aggregate structures when placed in selective solvents, offering great promise for the construction of delivery vehicles and complex nanoscale assemblies. A key feature of these materials is their propensity to become kinetically trapped in nonequilibrium states, meaning that the structures they adopt depend sensitively on the processing route taken. While this makes it challenging to fully explore the landscape of possible morphologies, it also means that careful attention to the pathway of self-assembly can allow for remarkable control over the resulting nonequilibrium structures. In this Perspective, we highlight several recent advances in processing approaches that provide new levels of tailorability to the structures and encapsulated contents of block copolymer assemblies in solution.