Noncovalent Chiral Functionalization of Graphene with Optically Active Helical Polymers

被引：18
|
作者：
Ren, Chonglei [1 ]
Chen, Yu [1 ]
Zhang, Haiyang [1 ]
Deng, Jianping [1 ]
机构：
[1] Beijing Univ Chem Technol, Coll Mat Sci & Engn, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2013年 / 34卷 / 17期
基金：
中国国家自然科学基金;
关键词：
chiral; graphene; helical polymer; modification; polyacetylenes; ENANTIOSELECTIVE CRYSTALLIZATION; CHEMICAL FUNCTIONALIZATION; SUBSTITUTED POLYACETYLENE; OXIDE; POLYMERIZATION; MICROSPHERES; NANOCOMPOSITES; AMPLIFICATION; DISPERSIONS; COVALENT;
D O I：
10.1002/marc.201300342
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Optically active helical substituted (co)polyacetylenes containing pendent pyrene groups are prepared and then noncovalently immobilized on graphene via - interactions. The resulting graphene composite is characterized by XRD, FTIR, Raman, circular dichroism, UV-vis absorption, TEM, TGA, and fluorescent spectroscopy techniques. The helical polyacetylene endows graphene with the desired optical activity. Also interestingly, the dispersibility of the functionalized graphene in tetrahydrofuran is remarkably improved due to the presence of the helical polymer chains. The present methodology opens new opportunities and serves as a versatile platform toward preparing novel graphene-based materials.
引用
收藏
页码：1368 / 1374
页数：7
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