Microstructure and Optoelectronic Properties of P3HT‑b‑P4VP/PCBM Blends: Impact of PCBM on the Copolymer Self-Assembly
Microstructure and Optoelectronic Properties of P3HT‑b‑P4VP/PCBM Blends: Impact of PCBM on the Copolymer Self-Assembly
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DOI：
10.1021/ma4010692
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发表时间：
2013-11
期刊：
影响因子：
5.5
通讯作者：
V. Gernigon;P. Lévêque;Fanny Richard;N. Leclerc;C. Brochon;C. Braun;S. Ludwigs;D. Anokhin;D. Iv
中科院分区：
文献类型：
--
作者：
V. Gernigon;P. Lévêque;Fanny Richard;N. Leclerc;C. Brochon;C. Braun;S. Ludwigs;D. Anokhin;D. Iv
嵌段共聚物在过去几十年中因其微相分离成具有定制物理性质的明确纳米结构薄膜的能力而受到广泛研究。本研究的目的是使用基于聚（3-己基噻吩）（P3HT）棒状嵌段和聚（4-乙烯基吡啶）（P4VP）线圈嵌段的共聚物，研究棒-线圈嵌段共聚物/苯基-C61-丁酸甲酯（PCBM）共混物的薄膜特性与共混物重量比的函数关系。利用原子力显微镜、透射电子显微镜和掠入射X射线衍射分析研究了PCBM对共聚物自组装的影响。进行紫外可见吸收和光致发光光谱以及场效应迁移率测量，以便进一步了解共混物的光电特性。研究发现，嵌段共聚物的相分离形貌和载流子迁移率强烈依赖于 PCBM 负载和热...
Block copolymers have been widely investigated over the past decades for their ability to microphase separate into well-defined nanostructured thin films with tailored physical properties. The aim of the present study is to investigate the thin film properties of rod–coil block copolymer/phenyl-C61-butyric acid methyl ester (PCBM) blends as a function of the blend weight ratio, using a copolymer which is based on a poly(3-hexylthiophene) (P3HT) rod block and poly(4-vinylpyridine) (P4VP) coil block. Atomic force microscopy, transmission electron microscopy and grazing incidence X-ray diffraction analysis are used to study the influence of PCBM on the copolymer self-assembling. UV–visible absorption and photoluminescence spectroscopies as well as field-effect mobility measurements are performed in order to get further insight into the blend optoelectronic properties. It is found that the block copolymer phase-separated morphology and charge carrier mobilities strongly depend on the PCBM loading and thermal ...