基于苝衍生物的高浓度石墨烯水分散液制备  

Preparation of High Concentration Graphene Aqueous Dispersion Based on Perylene Diimide Derivatives

作　　者：范会生 孙保库 张习汝 张海春 矢尾家昌 FAN Hui-sheng;SUN Bao-ku;ZHANG Xi-ru;ZHANG Hai-chun;YAO Iemasa(Zhejiang Marine Development Research Institute,Zhejiang Zhoushan 316021,China)

机构地区：[1]浙江省海洋开发研究院,浙江舟山316021

出　　处：《广州化工》2024年第14期27-30,74,共5页GuangZhou Chemical Industry

基　　金：浙江省“尖兵”“领雁”研发攻关计划(2023C01191);舟山市科技计划项目(2019C11006,2024C61003)。

摘　　要：一步法合成了苝系衍生物-N,N-双(二乙胺基丙烷)-3,4,9,10-苝四羧酸二酰亚胺(PDIs),对石墨烯有良好的附着能力,并将其作为石墨烯在水中的分散剂。利用超声液相剥离法,以水-乙醇为溶剂,膨胀石墨为原料,制备了高浓度石墨烯水分散液。用原子力显微镜、扫描电镜、透射电镜分析了水分散液中石墨烯的结构和形貌。结果表明:在最优的工艺参数下,获得了浓度为647.3 mg/L的石墨烯水分散液;石墨烯平均粒径小于1μm,片层数为3~5层,具有良好的品质。Because of its good adhesion to graphene,perylene diimide derivatives-N,N-bis(diethylaminopropane)-3,4,9,10-perylene tetracarboxylate di Imide(PDIs)were synthesized in one step method,and further used as the dispersant of graphene in water.The high concentration graphene aqueous dispersion was obtained by ultrasonic liquid phase exfoliation of flake graphite in water.The structure and morphology of graphene were analyzed by AFM,SEM and TEM.The results showed that the concentration of graphene water dispersion reached 647.3 mg/L under the optimal process parameters,the average particle size of the obtained graphene was less than 1μm,and the number of layers was 3~5,which had good quality.

关 键 词：苝 石墨烯 高浓度 液相剥离法 分散剂 

分 类 号：TQ127.1[化学工程—无机化工]