有机化学 ›› 2020, Vol. 40 ›› Issue (10): 3249-3261.DOI: 10.6023/cjoc202006019 上一篇    下一篇

综述与进展

聚合物对单壁碳纳米管增溶及选择性分离的机理研究进展

杨阳a,b, 李若梅b,c, 王炜d, 许子文b, 谢光辉d, 鲁郑全d, 李靖靖d, 宋力平a, 李维实b,d   

  1. a 上海大学理学院 上海 200444;
    b 中国科学院上海有机化学研究所 中国科学院有机功能分子合成与组装化学重点实验室 上海 200032;
    c 上海师范大学化学与材料科学学院 上海 200234;
    d 郑州工程技术学院高性能有机功能材料工程中心 郑州 450044
  • 收稿日期:2020-06-11 修回日期:2020-07-29 发布日期:2020-08-11
  • 通讯作者: 宋力平, 李维实 E-mail:lpsong@shu.edu.cn;liws@mail.sioc.ac.cn
  • 基金资助:
    国家自然科学基金(Nos.21674125,21672251,51761145043)、中国科学院先导计划(No.XDB20020000)和郑州工程技术学院资助项目.

Research Advances on the Mechanism of Polymer Solubilization and Selective Separation of Single-Wall Carbon Nanotubes

Yang Yanga,b, Li Ruomeib,c, Wang Weid, Xu Zi-Wenb, Xie Guanghuid, Lu Zhengquand, Li Jingjingd, Song Lipinga, Li Wei-Shib,d   

  1. a College of Science, Shanghai University, Shanghai 200444;
    b Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032;
    c College of Chemistry and Material Sciences, Shanghai Normal University, Shanghai 200034;
    d Engineering Research Center of Zhengzhou for High Performance Organic Functional Materials, Zhengzhou Institute of Technology, Zhengzhou 450044
  • Received:2020-06-11 Revised:2020-07-29 Published:2020-08-11
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 21674125, 21672251, 51761145043), the Strategic Priority Research Program of Chinese Academy of Sciences (No. XDB20020000) and the Zhengzhou Institute of Technology.

现有方法制备的单壁碳纳米管,混杂着半导体性和金属性两种碳管,需分离纯化后才能发挥这两种碳管各自的优异性能和广泛应用.在众多已开发的方法中,利用聚合物非共价相互作用实现半导体型和金属型碳管的选择性分离被认为是操作最简单、效率最高、无损碳管结构性能的方法.迄今为止,大量相关工作已被报道,开发了众多的聚合物体系,提出了各种分离纯化机理,但目前仍然没有统一的认识.综述了近年来有关单壁碳纳米管增溶和选择性分离的研究进展,分析了聚合物与单壁碳纳米管之间的相互作用,探讨了聚合物结构、分子量、侧链长度、聚合物与碳管比例、温度、溶剂等因素对碳管增溶与选择性分离的影响,比较了各种作用机理,并提出了自己的观点.

关键词: 单壁碳纳米管, 聚合物, 选择性分离, 非共价相互作用, 作用机理

Single-walled carbon nanotubes (SWNTs) prepared by present methods are a mixture of semiconducting and metallic ones, which need to be separated and purified to give them full play with their excellent properties and for their attractive applications. Among numerous developed methods, the selective separation of semiconducting and metallic SWNTs by polymer non-covalent interactions is considered to be the most simple, efficient and no-damage to carbon nanotube structure and properties method. So far, a lot of works have been reported, and many polymer systems have been developed. Meanwhile, various separation and purification mechanisms have been proposed, but there are still no unified and convincing understandings. In this review, the reported SWNT solubilization and selective separation works are summarized, the interactions between polymer and SWNTs are analyzed, and the effects of polymer structures, molecular weights, side chain lengths, polymer/SMNT ratio, temperature, and solvent are focally discussed. After comparing various separating mechanisms, our own understandings and views are put forward.

Key words: single-wall carbon nanotubes, polymer, selective separation, non-covalent interactions, mechanisms