Azulene-containing organic chromophores with tunable near-IR absorption in the range of 0.6 to 1.7 μm

被引：62

作者：

Wang, Fuke ^{[1
,2
]}

Lin, Ting Ting ^{[1
]}

He, Chaobin ^{[1
,3
]}

Chi, Hong ^{[1
,2
]}

Tang, Tao ^{[1
,3
]}

Lai, Yee-Hing ^{[2
]}

机构：

[1] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

[2] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore

[3] Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117576, Singapore

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 21期

关键词：

2-PHOTON ABSORPTION; DYES; TELECOMMUNICATIONS; PHTHALOCYANINES; PROTONATION; COPOLYMERS; DONOR; COLOR; UNITS; HOMO;

D O I：

10.1039/c2jm31098h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Near-infrared (NIR) absorption in the range of 0.75-2.5 mm is in great demand for a variety of applications but currently the majority of commercial NIR devices are based on inorganic materials due to the limited number of organic materials that are active in this range. Here we present the preparation and optical studies of a new series of stable azulene-containing NIR chromophores whose absorption can be tuned in the range of 0.6-1.7 mu m. DFT calculation revealed that the protonation-induced low excitation gap was attributable to the substantial intramolecular charge transfer.

引用

页码：10448 / 10451

页数：4

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