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题名: Aggregation-Induced Emission and Photocyclization of Poly(hexaphenyl-1,3-butadiene)s Synthesized from "1+2" Polycoupling of Internal Alkynes and Arylboronic Acids
作者: Liu, Yajing1, 2, 3; Lam, Jacky W. Y.1, 2, 3; Zheng, Xiaoyan2, 3; Peng, Qian4; Kwok, Ryan T. K.1, 2, 3; Sung, Herman H. Y.2, 3; Williams, Ian D.2, 3; Tang, Ben Zhong1, 2, 3, 5
刊名: MACROMOLECULES
发表日期: 2016-08-23
卷: 49, 期:16, 页:5817-5830
收录类别: SCI
英文摘要: A new polymerization method for in situ generation of luminescent polymers with aggregation-induced emission characteristics from readily prepared or commercially available reactants was developed in this work. The "1 + 2" polycoupling of internal alkynes and arylboronic acids took place under mild reaction conditions and was tolerant to moisture, air, and monomer stoichiometric imbalance, furnishing poly(hexaphenyl-1,3-butadiene)s (PHBs) with partially or wholly conjugated structures in satisfactory yields. All the PHBs showed good solubility, thermal stability, and film forming ability. Their optical properties could be easily tuned by proper monomer design and external perturbation. The PHBs underwent active photocyclization in both solution and solid states, converting them to poly(dihydronaphthalene)s. Such a property made them promising materials for fabricating luminescent photopatterns. A new mechanistic pathway was proposed as supplementary to explain the aggregation -induced emission (AIE) phenomenon by studying the emission of PHBs and the corresponding model compound.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35211
Appears in Collections:工程塑料实验室_期刊论文

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作者单位: 1.HKUST Shenzhen Res Inst, South Area, 9 Yuexing First RD,Hitech Pk, Shenzhen 518057, Peoples R China
2.Hong Kong Univ Sci & Technol, Dept Chem,State Key Lab Mol Neurosci, Hong Kong Branch,Div Life Sci,Inst Adv Study,Inst, Chinese Natl Engn Res Ctr Tissue Restorat & Recon, Kowloon, Hong Kong, Peoples R China
3.Hong Kong Univ Sci & Technol, Div Biomed Engn, Kowloon, Hong Kong, Peoples R China
4.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
5.South China Univ Technol, Guangdong Innovat Res Team, SCUT HKUST Joint Res Lab, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Peoples R China
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