Facile and environmental-friendly preparation of alkynyl-functionalized graphene oxide by epoxy ring-opening

被引：9

作者：

Liu, Aojie ^{[1
]}

Li, Yingjun ^{[1
]}

Shu, Daigui ^{[1
]}

Zhou, Yuanlin ^{[1
]}

机构：

[1] Southwest Univ Sci & Technol, State Key Lab Environm Friendly Energy Mat, Mianyang 621010, Sichuan, Peoples R China

来源：

FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2021年 / 29卷 / 06期

关键词：

Graphene oxide; propargylamine; epoxy ring-opening; alkynyl-functionalized graphene oxide;

D O I：

10.1080/1536383X.2020.1852548

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Alkynyl-functionalized graphene oxide (A-GO) is an integral part of the click chemistry of graphene. However, this kind of functionalization often occurs in organic solvent system. In this study, a simple method was used to prepare alkynyl-functionalized graphene oxide under mild and environmental-friendly conditions. The results showed that graphene oxide was successfully modified by propargylamine. When the mass ratio of graphene oxide to propargylamine is 1:4, the highest grafting rate is 4.91%. The resulting sample became rougher in microscopic morphology, but still had a lamellar structure. In addition, it can be obtained from XPS that in addition to the ring-opening reaction between the epoxy group and the amino group, there is also the interaction between the carboxyl group and alkynyl ammonium. The present work provides a facile and environmental-friendly strategy toward alkynyl-functionalized graphene oxide.

引用

页码：407 / 413

页数：7

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