A Low-Bandgap Conjugated Copolymer Based on Porphyrin and Dithienocoronene Diimide with Strong Two-Photon Absorption

被引：33
|
作者：
Zhou, Weiyi [1 ,2 ,3 ]
Jin, Feng [4 ,5 ]
Huang, Xuebin [6 ]
Duan, Xuan-Ming [4 ,5 ]
Zhan, Xiaowei [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Inst Chem, CAS Key Lab Organ Solids, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
[4] Chinese Acad Sci, Tech Inst Phys & Chem, Lab Organ Nanophoton, Beijing 100190, Peoples R China
[5] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convent & Funct Mat, Beijing 100190, Peoples R China
[6] Beijing Inst Technol, Dept Chem, Beijing 100083, Peoples R China
来源：
MACROMOLECULES | 2012年 / 45卷 / 19期
关键词：
FIELD-EFFECT TRANSISTORS; SINGLET OXYGEN; NONLINEAR ABSORPTION; ABSORBING MATERIALS; POLYMER; MESO; BETA; REFRACTION; RESONANCE; SPECTRUM;
D O I：
10.1021/ma3015257
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new low-bandgap donor-acceptor (D-A) conjugated copolymer poly(DTCDI-POR) of planar acceptor dithienocoronene diimide (DTCDI) and strong donor porphyrin (POR) has been synthesized by Sonogashira coupling polymerization. Poly(DTCDI-POR) exhibits good thermal stability (decomposition temperature of 323 degrees C), strong absorption (molar extinction coefficient per repeat unit is 1.05 X 10(5) L mol(-1) cm(-1) at 468 nm in CHCl3 solution) in visible and near-infrared region (300-900 nm), low bandgap (1.44 eV), and strong two-photon absorption (2PA) at telecommunication wavelengths with 2PA cross sections per repeat unit as high as 7809 GM at 1520 nm.
引用
收藏
页码：7823 / 7828
页数：6
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