Effects of preparation temperature on alkynyl-functionalized graphene oxide. Issue 11 (2nd November 2022)

• Record Type: Journal Article
• Authors: Li, Yingjun; Wang, Shixia; Guo, Yakun; Zhao, Xingtao; Li, Yongsheng; Zhou, Yuanlin; Shuai, Maobing
• Is Part Of: Fullerenes, nanotubes and carbon nanostructures. Volume 30:Issue 11(2022)
• Page Start: 1109
• Page End: 1115
• Publication Date: 2022-11-02
• Subjects: Graphene oxide -- alkynyl-functionalized graphene oxide -- propargylamine -- temperature; Fullerenes -- Periodicals; Nanotubes -- Periodicals; Nanostructures -- Periodicals; 546.6812
• DOI: 10.1080/1536383X.2022.2073350
• Languages: English
• ISSNs: 1536-383X

Abstract

Abstract: Alkynyl-functionalized graphene oxide (GO) is an attractive nanomaterial for many applications. Controlling the functionalization of GO is essential for the design of GO derivatives with novel properties. Here, we reported a new strategy to conveniently control the degree of alkynyl-functionalization of GO by manipulating the reaction temperature. The alkynyl-functionalized GO was characterized via Zeta potential, Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, and Thermogravimetric analysis, confirming the covalent modification of the GO surface with propargylamine. The results showed that GO was successfully functionalized by propargylamine. And the degree of alkynyl-functionalization of GO increases with the increase in reaction temperature. The effects of the temperature on the mechanism of alkynyl-functionalized GO were also revealed. This method could be exploited to prepare functional GO with potential applications in many fields.