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Vol. 2 No. 3 (2010)

Click chemistry approach to functionalize two-dimensional macromolecules of graphene oxide nanosheets

https://doi.org/10.1007/BF03353638
Liang Kou
MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China
Hongkun He
MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China
Chao Gao
MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering, Zhejiang University, 38 Zheda Road, Hangzhou 310027, P. R. China

Corresponding Author: Chao Gao

chaogao@zju.edu.cn

Nano-Micro Letters, Vol. 2 No. 3 (2010), Article Number: 177-183

Abstract

A facile “click chemistry” approach to functionalize 2D macromolecules of graphene oxide nanosheets with poly (ethylene glycol) of different molecular weights, polystyrene, palmitic acid and various amino acids was presented. FTIR, TGA, Raman spectroscopy, XPS, XRD, TEM, AFM and SEM were utilized to characterize the products. High degree of functionalization was achieved on the flat surfaces of graphene oxide, affording polymer-grafted 2D brushes and amino acids-immobilized nanosheets, which show improved solubility in organic solvents. The click chemistry strategy reported herein provides a facile and general method for functionalization of graphene oxide with macromolecules and desired biomolecules.

Keywords

Graphene Click chemistry Chemical modification PEG Amino acids
Kou, Liang, Hongkun He, and Chao Gao. 2010. “Click Chemistry Approach to Functionalize Two-Dimensional Macromolecules of Graphene Oxide Nanosheets”. Nano-Micro Letters 2 (3):177-83. https://doi.org/10.1007/BF03353638.
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