Phase transition of a diblock copolymer and homopolymer hybrid system induced by different properties of nanorods  

作　　者：Xiao-bo Geng Jun-xing Pan Jin-jun Zhang Min-na Sun Jian-yong Cen 耿晓波;潘俊星;张进军;孙敏娜;岑建勇(School of Physics and Information Engineering,Shanxi Normal University,Linfen 041004,China;School of Chemistry and Materials Science,Shanxi Normal University,Linfen 041004,China)

机构地区：[1]School of Physics and Information Engineering,Shanxi Normal University,Linfen 041004,China [2]School of Chemistry and Materials Science,Shanxi Normal University,Linfen 041004,China

出　　处：《Chinese Physics B》2018年第5期526-533,共8页中国物理B(英文版)

基　　金：Project supported by the National Natural Science Foundation of China(Grant No.21373131);the Provincial Natural Science Foundation of Shanxi,China(Grant No.2015011004);the Research Foundation for Excellent Talents of Shanxi Provincial Department of Human Resources and Social Security,China

摘　　要：We investigated phase transitions in a diblock copolymer–homopolymer hybrid system blended with nanorods(NRs)by using the time-dependent Ginzburg–Landau theory.We systematically studied the effects of the number,length and infiltration properties of the NRs on the self-assembly of the composites and the phase transitions occurring in the material.An analysis of the phase diagram was carried out to obtain the formation conditions of sea island structure nanorodbased aggregate,sea island structure nanorod-based dispersion,lamellar structure nanorod-based multilayer arrangement and nanowire structure.Further analysis of the evolution of the domain sizes and the distribution of the nanorod angle microphase structure was performed.Our simulation provides theoretical guidance for the preparation of ordered nanowire structures and a reference to improve the function of a polymer nanocomposite material.

关 键 词：SELF-ASSEMBLY block copolymer NANOWIRES 

分 类 号：O631[理学—高分子化学] TB383.1[理学—化学]