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Decoration of polyfluorene-wrapped carbon nanotube thin films via strain-promoted azide–alkyne cycloaddition†
Polymer Chemistry ( IF 4.1 ) Pub Date : 2018-08-01 00:00:00 , DOI: 10.1039/c8py01003j Darryl Fong 1, 2, 3, 4 , Grace M. Andrews 1, 2, 3, 4 , Stuart A. McNelles 1, 2, 3, 4 , Alex Adronov 1, 2, 3, 4
Polymer Chemistry ( IF 4.1 ) Pub Date : 2018-08-01 00:00:00 , DOI: 10.1039/c8py01003j Darryl Fong 1, 2, 3, 4 , Grace M. Andrews 1, 2, 3, 4 , Stuart A. McNelles 1, 2, 3, 4 , Alex Adronov 1, 2, 3, 4
Affiliation
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A generalizable method to decorate carbon nanotubes deposited as a thin film without damaging nanotube optoelectronic properties remains elusive. Here, reactive, noncovalently functionalized polymer–nanotube thin films were prepared using a polyfluorene that is decorated with azide groups in its side chains. The azides allow for Strain-Promoted Azide–Alkyne Cycloaddition to occur between the polymer–nanotube complex and strained cyclooctyne derivatives. It was found that quantitative functionalization of the nanotube thin film occurred efficiently at room temperature, without any catalyst or by-product removal required. This interfacial chemistry resulted in no damage to the nanotube structure or properties, as evidenced by absorption, fluorescence, and Raman spectroscopy. The polymer–nanotube thin films were investigated using thermogravimetric analysis, and it was found that the mass losses upon heating under an inert atmosphere were consistent with complete functionalization of the thin films. Using polyethylene glycol or C16 alkyl chains functionalized with a strained cyclooctyne, we modulated the hydrophobicity of the thin film and found that we could prepare Janus nanotube films via stepwise functionalization.
中文翻译：
通过应变促进的叠氮化物-炔烃环加成反应 装饰聚芴包裹的碳纳米管薄膜†
在不损害纳米管光电性能的情况下装饰膜状沉积的碳纳米管的通用方法仍然难以捉摸。在这里，使用聚芴制备的反应性非共价官能化聚合物纳米管薄膜，该聚芴的侧链上饰有叠氮基团。叠氮化物允许在聚合物-纳米管配合物和应变环辛炔衍生物之间发生应变促进的叠氮化物-炔烃环加成反应。发现在室温下有效地进行了纳米管薄膜的定量功能化，而无需任何催化剂或副产物的去除。如吸收，荧光和拉曼光谱所证明的，这种界面化学对纳米管的结构或性能没有造成损害。使用热重分析法对聚合物纳米管薄膜进行了研究，发现在惰性气氛下加热时的质量损失与薄膜的完全功能化是一致的。使用聚乙二醇或C用应变环辛炔功能化的16条烷基链，我们调节了薄膜的疏水性，发现可以通过逐步官能化制备Janus纳米管薄膜。
更新日期：2018-08-01
中文翻译：
通过应变促进的叠氮化物-炔烃环加成反应 装饰聚芴包裹的碳纳米管薄膜†
在不损害纳米管光电性能的情况下装饰膜状沉积的碳纳米管的通用方法仍然难以捉摸。在这里，使用聚芴制备的反应性非共价官能化聚合物纳米管薄膜，该聚芴的侧链上饰有叠氮基团。叠氮化物允许在聚合物-纳米管配合物和应变环辛炔衍生物之间发生应变促进的叠氮化物-炔烃环加成反应。发现在室温下有效地进行了纳米管薄膜的定量功能化，而无需任何催化剂或副产物的去除。如吸收，荧光和拉曼光谱所证明的，这种界面化学对纳米管的结构或性能没有造成损害。使用热重分析法对聚合物纳米管薄膜进行了研究，发现在惰性气氛下加热时的质量损失与薄膜的完全功能化是一致的。使用聚乙二醇或C用应变环辛炔功能化的16条烷基链，我们调节了薄膜的疏水性，发现可以通过逐步官能化制备Janus纳米管薄膜。
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