High-density amine-terminated monolayers formed on fluorinated CVD-grown graphene

Langmuir : the ACS Journal of Surfaces and Colloids
Rory StinePaul E Sheehan

Abstract

There has been considerable interest in chemically functionalizing graphene films to control their electronic properties, to enhance their binding to other molecules for sensing, and to strengthen their interfaces with matrices in a composite material. Most reports to date have largely focused on noncovalent methods or the use of graphene oxide. Here, we present a method to activate CVD-grown graphene sheets using fluorination followed by reaction with ethylenediamine (EDA) to form covalent bonds. Reacted graphene was characterized via X-ray photoelectron spectroscopy (XPS), attenuated total reflectance Fourier transform infrared spectroscopy (ATR-FTIR), and Raman spectroscopy as well as measurements of electrical properties. The functionalization results in stable, densely packed layers, and the unbound amine of EDA was shown to be active toward subsequent chemical reactions.

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Citations

Aug 29, 2013·Nano Letters·Rory StinePaul E Sheehan
Jun 14, 2013·ACS Nano·Woo-Kyung LeePaul E Sheehan
Jun 12, 2014·Journal of Tissue Engineering and Regenerative Medicine·Farid MenaaBouzid Menaa
Aug 28, 2015·Physical Chemistry Chemical Physics : PCCP·Mengmeng RenXiangyang Liu
Jun 16, 2016·Physical Chemistry Chemical Physics : PCCP·Baoyin LiXiangyang Liu
Jul 10, 2014·BioTechniques·Shawn P MulvaneyPaul E Sheehan
Dec 3, 2016·Chemistry : a European Journal·Jan PlšekMartin Kalbáč
Oct 27, 2017·Chemistry : a European Journal·Jiri SturalaZdeněk Sofer
Aug 25, 2017·Physical Chemistry Chemical Physics : PCCP·Wenchuan LaiXiangyang Liu
Dec 8, 2017·Physical Chemistry Chemical Physics : PCCP·Wenchuan LaiXiangyang Liu
Aug 24, 2018·Chemical Communications : Chem Comm·Wenchuan LaiXiangyang Liu
Nov 30, 2018·Angewandte Chemie·Leoš ValentaMartin Kalbáč
Jan 30, 2014·Science and Technology of Advanced Materials·Prashanta Dhoj AdhikariChong-Yun Park
Dec 1, 2020·Nano Convergence·Dong Ryeol Whang
Jun 13, 2018·The Journal of Physical Chemistry Letters·Dagmar MatochováMichal Otyepka
Feb 22, 2017·Chemistry of Materials : a Publication of the American Chemical Society·Demetrios D ChronopoulosMichal Otyepka
May 1, 2019·Langmuir : the ACS Journal of Surfaces and Colloids·Wenchuan LaiXu Wang

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