超薄类石墨相氮化碳纳米片剥离技术的研究进展  

Research Progress in Exfoliation Technology of Ultrathin Graphite Carbon Nitride Nanosheets

作　　者：张宇航[1] 孙艳娟[1] 徐瑾[1] 杨梅[1] 张欢欢[1] 刘忆[1] 吴生丽 邹菁[1] 

机构地区：[1]武汉工程大学化学与环境工程学院,湖北武汉430205

出　　处：《武汉工程大学学报》2017年第3期223-230,共8页Journal of Wuhan Institute of Technology

基　　金：国家自然科学基金(21471122);武汉工程大学第十一期大学生校长基金(2016062)

摘　　要：超薄二维(2D)纳米材料,因其优异的电子、光学、物理和化学性能,以及各种潜在应用,在纳米技术、材料科学、化学和凝聚态物理等领域迅速发展.类石墨相氮化碳(g-C_3N_4)是一类主要由碳和氮原子组成的2D聚合物材料,但块状g-C_3N_4比表面积小、分散性差严重影响其在光催化领域的应用.因此,人们常采用剥离方法制备超薄g-C_3N_4纳米片.本文主要详述了目前常用的热氧化剥离、超声辅助液相剥离和酸碱化学剥离等方法的现状及机理,并讨论了超薄g-C_3N_4纳米片未来的重点研究方向.Research on ultrathin two-dimensional （2D） nanomaterials has made great progress in the fields of nanotechnolog, material science, chemistry and condensed matter physics due to their compelling electronic, optical, physical and chemical properties, as well as their various potential applications. Graphite carbon nitride （g-C3N4） is a type of 2D polymeric materials mainly composed of carbon and nitrogen atoms. But bulk g-C3N4 possesses small specific surface area and the poor dispersity, which seriously affects its application in the field of photocatalysis. Therefore, the researchers fabricate the uhrathin g-C3N4 nanosheets by the exfolieation method. The existing state and affairs and mechanism of thermal oxidation exfoliation method, ultrasonic auxiliary liquid exfoliation method, chemical exfoliation method with acid and alkali are reviewed. The future perspective for developing the ultrathin g-C3N4 nanosheets is discussed.

关 键 词：类石墨相氮化碳 超薄纳米片 剥离 制备 

分 类 号：TQ050.4[化学工程]