Helical Folding of π-Conjugated Polymers Bearing Glucose-Linked Biphenyl Units in the Main Chain: Application to Circularly Polarized Luminescence Materials
| العنوان: | Helical Folding of π-Conjugated Polymers Bearing Glucose-Linked Biphenyl Units in the Main Chain: Application to Circularly Polarized Luminescence Materials |
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| المؤلفون: | Tomoya Kudo, Sho Shimizu, Tomoyuki Ikai, Katsuhiro Maeda, Shigeyoshi Kanoh |
| المصدر: | Bulletin of the Chemical Society of Japan. 90:910-918 |
| بيانات النشر: | The Chemical Society of Japan, 2017. |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | Biphenyl, chemistry.chemical_classification, Circular dichroism, 010405 organic chemistry, Comonomer, General Chemistry, Polymer, Conjugated system, 010402 general chemistry, Photochemistry, 01 natural sciences, Fluorescence, 0104 chemical sciences, chemistry.chemical_compound, chemistry, Luminescence, Circular polarization |
| الوصف: | We have synthesized a series of chiral π-conjugated polymers bearing glucose-linked biphenyl units in the main chain through copolymerizations of a key diethynyl compound (GLB-1), containing the structural element of naturally-occurring ellagitannin, with various diiodoaryls. The circular dichroism and circularly polarized luminescence properties of the obtained polymers were investigated in solution and the solid state. Based on a comparative study using the corresponding unimer model compounds, poly-3 and poly-4 bearing (oligo)thiophene-type comonomer units are considered to be able to fold into an excess one-handed helical conformation in solution and the solid state under an appropriate exterior environment. In contrast, analogous polymers bearing p- and m-phenylene residues as comonomer units did not form regular higher-ordered structures. We also observed that poly-3 and poly-4 efficiently emitted left-handed circularly polarized light with a corresponding fluorescence region arising from their heli... |
| تدمد: | 1348-0634 0009-2673 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::e82d6d9ea383b49edcb493622bdc7270 https://doi.org/10.1246/bcsj.20170122 |
| رقم الأكسشن: | edsair.doi...........e82d6d9ea383b49edcb493622bdc7270 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 13480634 00092673 |
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