Issue 18, 2012
From the journal:

RSC Advances

Functionalization of graphene by tetraphenylethylene using nitrene chemistry†

Xiujuan Xu,a   Wei Lv,b   Jing Huang,a   Jijun Li,c   Runli Tang,a   Jiawei Yan,c   Quanhong Yang,b   Jingui Qina  and  Zhen Li*a  

* Corresponding authors

a Department of Chemistry, Hubei Key Laboratory on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan, China
E-mail: lizhen@whu.edu.cn, lichemlab@163.com
Fax: +86-27-6875-6757
Tel: +86-27-6225-4108

b Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China

c State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, China

Abstract

We have demonstrated that via nitrene addition, graphene was covalently functionalized by tetraphenylethylene, which is a typical aggregation-induced emission (AIE) molecule with a twisted conformation. The obtained new nanocomposite TPE–C4N3–G–S was characterized by transmission electron microscopy (TEM), fourier transform infrared (IR) spectroscopy, fluorescence spectroscopy, UV-vis, thermo-gravimetric analysis (TGA), and 13C NMR. The twisted conformation of TPE–C4N3 was effective in improving the solubility and dispersion stability of graphene, and the resulting composite was totally soluble in organic solvents. The resulting product was determined to have one functional group per 48 carbons. In addition, this new type of molecule may open up a new avenue for the synthesis of graphene-based materials and nanodevice fabrications.

Graphical abstract: Functionalization of graphene by tetraphenylethylene using nitrene chemistry

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Article information

DOI
https://doi.org/10.1039/C2RA20460F
Article type
Communication
Submitted
13 Mar 2012
Accepted
07 Jun 2012
First published
13 Jun 2012

RSC Adv., 2012,2, 7042-7047

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Functionalization of graphene by tetraphenylethylene using nitrene chemistry

X. Xu, W. Lv, J. Huang, J. Li, R. Tang, J. Yan, Q. Yang, J. Qin and Z. Li, RSC Adv., 2012, 2, 7042 DOI: 10.1039/C2RA20460F

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