Thermally triggered optical tuning of π-conjugated graft copolymers based on reversible Diels-Alder reaction

被引:5
作者
Ahner, J. [1 ,2 ]
Micheel, M. [3 ,4 ]
Koetteritzsch, J. [1 ,2 ]
Dietzek, B. [2 ,3 ,4 ]
Hager, M. D. [1 ,2 ]
机构
[1] Univ Jena, Lab Organ & Macromol Chem IOMC, Humboldtstr 10, D-07743 Jena, Germany
[2] Univ Jena, JCSM, Philosophenweg 7, D-07743 Jena, Germany
[3] Univ Jena, Abbe Ctr Photon, Inst Phys Chem, Helmholtzweg 4, D-07743 Jena, Germany
[4] Leibniz Inst Photon Technol IPHT eV, Albert Einstein Str 9, D-07745 Jena, Germany
来源
RSC ADVANCES | 2016年 / 6卷 / 100期
关键词
SUPER-SOFT ELASTOMERS; POLYMERIC MATERIALS; ELECTRODE MATERIAL; BLOCK-COPOLYMERS; ENERGY-TRANSFER; COMB POLYMERS; SIDE-CHAINS; FUNCTIONALIZATION; POLYMETHACRYLATES; TRIARYLAMINES;
D O I
10.1039/c6ra21536j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In order to design a pi-conjugated polymer film with tunable optical properties by thermally triggered activation of energy transfer after processing, two monodisperse phenylene ethynylene based oligomers with different optical properties were synthesized and attached to aliphatic polymers as pi-conjugated side chains. Subsequently, the exchange of the side chain chromophores between the prepared donor and acceptor graft polymers in the solid state based on a reversible Diels-Alder reaction was studied in detail. The resulting donor-acceptor graft copolymer exhibits intra polymer energy transfer upon excitation of the donor moiety. The photophysical properties of the original and exchanged graft copolymers were investigated by means of absorption and emission spectroscopy. This novel concept opens the possibility for optical tuning of pi-conjugated polymer films after processing as well as applications as thermally triggered sensor systems.
引用
收藏
页码:98221 / 98227
页数:7
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