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题名: Wavelength-Controlled Organic Microlasers Based on Polymorphism-Dependent Intramolecular Charge-Transfer Process
作者: Dong, Haiyun1, 2; Zhang, Chunhuan1, 2; Yao, Jiannian1, 2; Zhao, Yong Sheng1, 2
关键词: intramolecular charge transfer ; nanophotonics ; polymorphisms ; tunable lasers
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2016-10-01
卷: 11, 期:19, 页:2656-2661
收录类别: SCI
英文摘要: Wavelength-tunable micro/nanoscale lasers are particularly attractive as indispensible building blocks for various ultracompact photonic devices. Polymorphic organic materials display distinct emission colors in different crystal forms, providing the potential possibility in tailoring the lasing wavelength. Here we report wavelength-controlled microlasers based on the polymorphism-dependent intramolecular charge-transfer (ICT) process in organic microcrystals. With different solution-phase self-assembly methods, three kinds of microstructures were prepared from the same organic ICT compound, where the different crystal structures offer completely distinct molecular environments, having a significant influence on the excited-state ICT process and therefore the emission wavelength. As a result, we realized three different color lasing actions in these three kinds of organic ICT microcystals under two-photon pumping. The results demonstrated here provide useful insights for the rational design of miniaturized lasers with desired performances.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35094
Appears in Collections:光化学实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Key Lab Photochem, Inst Chem, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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