Performance of graphene dispersion by using mixed surfactants

被引：25

作者：

Feng, Bei-Bei ^{[1
]}

Wang, Zhao-Hui ^{[1
]}

Suo, Wen-Hua ^{[1
]}

Wang, Yi ^{[1
]}

Wen, Jia-Cheng ^{[1
]}

Li, Yu-Fo ^{[1
]}

Suo, Hong-Li ^{[1
]}

Liu, Min ^{[1
]}

Ma, Lin ^{[1
]}

机构：

[1] Beijing Univ Technol, Coll Mat Sci & Engn, Key Lab Adv Funct Mat, Minist Educ, Beijing 100124, Peoples R China

来源：

MATERIALS RESEARCH EXPRESS | 2020年 / 7卷 / 09期

基金：

美国国家科学基金会;

关键词：

Sodium Dodecyl Sulfate; Cetyltrimethyl ammonium bromide; mixed surfactants; graphene; dispersion solution; FUNCTIONALIZED GRAPHENE; AQUEOUS-SOLUTIONS; CARBON NANOTUBES; EXFOLIATION; MIXTURES;

D O I：

10.1088/2053-1591/abb2ca

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work the ability of pure surfactant Sodium Dodecyl Sulfate (SDS), Cetyltrimethyl Ammonium Bromide (CTAB) and their mixed surfactants for graphene dispersion in aqueous solution was investigated. The uniform and stable dispersion solution was obtained for graphene with the mixtures of SDS and CTAB at lower concentration as compared to the pure one. The SDS-based surfactants exhibited better dispersion as compared to CTAB-based surfactants due to smaller-sized graphene as was investigated via Zeta potential measurements. Zeta potential was utilized to characterize the colloidal stability of surface charges within the mixtures. The mixed surfactants utilized in the present study showed a better ability to disperse graphene and its derivatives and hence are well suited for practical applications.

引用

页数：7

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