Derivitization of pristine graphene with well-defined chemical functionalities.

Derivitization of pristine graphene with well-defined chemical functionalities.
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DOI:
10.1021/nl1024744
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发表时间:
2010-09-08
期刊:
影响因子:
10.8
通讯作者:
Yan M
Yan M
中科院分区:
材料科学1区
文献类型:
--
作者:
Liu LH;Lerner MM;Yan M

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由于缺乏反应性官能团,原始石墨烯的共价官能化带来了相当大的挑战。在此,我们报告了一种简单而通用的方法来共价官能化具有明确定义的化学官能团的原始石墨烯。这是一种基于溶液的方法,其中通过光化学或热活化用全氟苯基叠氮化物(PFPA)处理溶剂剥离的石墨烯。合成了具有明确化学官能团的石墨烯,并且根据PFPA上官能团的性质,所得材料可溶于有机溶剂或水。
Covalent functionalization of pristine graphene poses considerable challenges due to the lack of reactive functional groups. Herein, we report a simple and general method to covalently functionalize pristine graphene with well-defined chemical functionalities. It is a solution-based process where solvent-exfoliated graphene was treated with perfluorophenylazide (PFPA) by photochemical or thermal activation. Graphene with well-defined chemical functionalities was synthesized and the resulting materials were soluble in organic solvents or water depending on the nature of the functional group on PFPA.
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