含脲嘧啶吡啶功能化碳纳米管的超分子宏观结构
Supramolecular Macrostructures of UPy-Functionalized Carbon Nanotubes.
作者信息
Micoli Alessandra, Nieuwenhuizen Marko, Koenigs Marcel, Quintana Mildred, Sijbesma Rint, Prato Maurizio
机构信息
Center of Excellence for Nanostructured Materials (CENMAT), INSTM UdR di Trieste, Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Piazzale Europa 1, TS I-34127 (Italy).
Laboratory of Macromolecular and Organic Chemistry and Dutch Polymer Institute, Eindhoven University of Technology, PO Box 513, NL-5600 MB Eindhoven (The Netherlands).
出版信息
Chemistry. 2015 Sep 28;21(40):14179-85. doi: 10.1002/chem.201502022. Epub 2015 Aug 13.
Carbon nanotubes (CNTs) are considered excellent materials for the construction of flexible displays due to their nanoscale dimensions and unique physical and chemical properties. By using the recognition properties of 2-ureido-4[1H]pyrimidinone (UPy), a versatile and simple methodology was demonstrated for the construction of macroscopic structures based on UPy-CNT/polymer composites prepared by a combination of two functionalization approaches: 1) covalent attachment of UPy pendants on the multiwalled CNT surface (UPy-MWCNTs) and 2) directed self-assembly of UPy-MWCNTs within polymers bearing UPy pendants (Bis-UPy 1 and Bis-UPy 2) by quadruple complementary DDAA-AADD hydrogen-bond recognition (D=donor, A=acceptor).
由于碳纳米管（CNTs）的纳米级尺寸以及独特的物理和化学性质，它们被认为是用于构建柔性显示器的优异材料。通过利用2-脲基-4[1H]嘧啶酮（UPy）的识别特性，展示了一种通用且简单的方法，用于构建基于UPy-CNT/聚合物复合材料的宏观结构，该复合材料通过两种功能化方法的组合制备：1）UPy侧链在多壁碳纳米管表面的共价连接（UPy-MWCNTs），以及2）通过四重互补的DDAA-AADD氢键识别（D =供体，A =受体），使UPy-MWCNTs在带有UPy侧链的聚合物（双UPy 1和双UPy 2）中进行定向自组装。
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