Formation of Ordered Nanostructures in Liquid-Crystalline Block Copolymers with Side-Chain Semiconductor Materials
Formation of Ordered Nanostructures in Liquid-Crystalline Block Copolymers with Side-Chain Semiconductor Materials
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侧链半导体材料液晶嵌段共聚物中有序纳米结构的形成
DOI：
10.1080/15421406.2018.1466243
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
T. Ikeda
中科院分区：
文献类型：
--
作者：
N. Yanahashi;T. Ube;T. Ikeda
我们通过原子转移自由基聚合（ATRP）开发了一种由聚环氧乙烷（PEO）和液晶低聚噻吩功能化的聚甲基丙烯酸酯组成的新型嵌段共聚物，旨在应用于有机光伏（OPV）电池。热研究表明，所得聚合物在加热和冷却时均表现出液晶相。通过原子力显微镜（AFM）研究了嵌段共聚物薄膜的形貌。退火时观察到尺寸接近 10 nm 的微相分离（纳米相分离结构）。
We developed a novel block copolymer composed of poly(ethylene oxide) (PEO) and polymethacrylate functionalized with liquid–cryst-alline oligothiophene by using the atom transfer radical polymerization (ATRP), aiming at application to organic photovoltaic (OPV) cells. Thermal investigation showed that the resultant polymer exhibits liquid–crystalline phases both on heating and cooling. Morphologies of the thin films of the block copolymer were investigated by atomic force microscopy (AFM). Microphase separation with a small size of almost 10 nm (nano-phase-separated structures) was observed upon annealing.