Low-Bandgap Conjugated Donor-Acceptor Copolymers Based on Porphyrin with Strong Two-Photon Absorption

doi:10.1021/ma102275h

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	Low-Bandgap Conjugated Donor-Acceptor Copolymers Based on Porphyrin with Strong Two-Photon Absorption
	Huang, Xuebin 3,4,5; Shi, Qinqin 3,4,6; Chen, Wei-Qiang 1,2; Zhu, Chunli 3,4,5; Zhou, Weiyi 3,4,6; Zhao, Zhen 3,4; Duan, Xuan-Ming 1,2; Zhan, Xiaowei 3,4
刊名	MACROMOLECULES
	2010-12-14
卷号	43 期号:23 页码:9620-9626
ISSN号	0024-9297
DOI	10.1021/ma102275h
英文摘要	Two new low-bandgap, conjugated donor (D) acceptor (A) copolymers of porphyrin with 2,3-bis(4-trifluoromethylphenyl)pyrido[3,4-b]pyrazine (P1) and perylene diimide (P2) were synthesized by Sonogashira coupling polymerization and compared with porphyrin-dithienothiophene D-D copolymer (P3). All these polymers possess good thermal stability with decomposition temperatures over 300 degrees C. Polymers P1 and P2 in films exhibit strong absorption in near-IR (820-950 nm) with optical bandgaps as low as 1.15 eV; their Q-bands red shift 60 190 nm compared to that of P3, while the Soret bands are similar. The HOMO (-5.3 to -5.4 eV) and LUMO (-3.6 to -4.0 eV) of the D-A polymers are lower than that of the D D polymer. Two-photon absorption (2PA) properties of the polymers were investigated by the femtosecond Z-scan method. The D A polymer P2 exhibits 2PA cross sections over 7000 GM/repeat unit at telecommunication wavelengths (1320 and 1520 nm), larger than that of PI and P3, due to the very strong, rigid, and coplanar perylene diimide acceptor and strong D-A intramolecular charge transfer.
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000284967000009
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/70893]
专题	中国科学院化学研究所
通讯作者	Duan, Xuan-Ming
作者单位	1.Chinese Acad Sci, Tech Inst Phys & Chem, Lab Organ Nanophoton, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convent & Funct Mat, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 4.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China 5.Beijing Inst Technol, Dept Chem, Beijing 100083, Peoples R China 6.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Huang, Xuebin,Shi, Qinqin,Chen, Wei-Qiang,et al. Low-Bandgap Conjugated Donor-Acceptor Copolymers Based on Porphyrin with Strong Two-Photon Absorption[J]. MACROMOLECULES,2010,43(23):9620-9626.
APA	Huang, Xuebin.,Shi, Qinqin.,Chen, Wei-Qiang.,Zhu, Chunli.,Zhou, Weiyi.,...&Zhan, Xiaowei.(2010).Low-Bandgap Conjugated Donor-Acceptor Copolymers Based on Porphyrin with Strong Two-Photon Absorption.MACROMOLECULES,43(23),9620-9626.
MLA	Huang, Xuebin,et al."Low-Bandgap Conjugated Donor-Acceptor Copolymers Based on Porphyrin with Strong Two-Photon Absorption".MACROMOLECULES 43.23(2010):9620-9626.