Single Monomer for Multiple Tasks: Polymerization Induced Self-Assembly, Functionalization and Cross-Linking, and Nanoparticle Loading
Single Monomer for Multiple Tasks: Polymerization Induced Self-Assembly, Functionalization and Cross-Linking, and Nanoparticle Loading
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单一单体用于多种任务：聚合诱导的自组装、功能化和交联以及纳米颗粒负载
DOI：
10.1021/mz500650c
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发表时间：
2014-12-01
影响因子：
7.015
通讯作者：
An, Zesheng
中科院分区：
文献类型：
--
作者：
Zhou, Wei;Qu, Qingwu;An, Zesheng
在高浓度下一步有效地制备形貌可控的多功能纳米材料是一项具有挑战性的合成任务，但在广泛的材料应用中也是非常理想的。在这里，我们通过引入单一的商品单体2-(乙酰乙酰氧基)甲基丙烯酸乙酯(AEMA)来实现多重功能来解决这一合成障碍。通过聚合容易地制备纳米球和囊泡，在浓度为20-30%的情况下诱导自组装，提供了具有AEMA单元固有的反应手柄的特定的聚合物纳米材料。采用高产率的烷氧基丙酮化学对纳米材料进行修饰和交联。纳米颗粒装载到两个纳米物体内的指定位置的例子是原位形成银纳米颗粒。使用同时具有形态控制和多功能的单一单体的概念有望在功能纳米材料中提供重要的机会。
Efficient preparation of multifunctional nano-objects with controlled morphologies in one step at high concentrations is synthetically challenging, yet is highly desirable, in a broad range of materials applications. Herein, we address this synthetic hurdle by introducing a single commodity monomer 2-(acetoacetoxy)ethyl methacrylate (AEMA) to realize multiple functions. Facile preparation of both nanospheres and vesicles via polymerization induced self-assembly at concentrations of 20-30% provided defined polymeric nanomaterials with reactive handles inherent to the AEMA units. High-yielding keto-alkoxylarnine chemistry was utilind to decorate and cross-link the nano-objects. Nanoparticle loading into the designated location within both nano-objects was exemplified with in situ formation of silver nanoparticles. The concept of using a single monomer capable of both morphology control and multifunctionalization is expected to offer significant opportunities in functional nanomaterials.