Synthesis, light emission, and photo-cross-linking of luminescent polyacetylenes containing acrylic pendant groups
作者： Jian Li Hua , Jacky Wing Yip Lam , Hongchen Dong , Lijun Wu , Kam Sing Wong
DOI: 10.1016/J.POLYMER.2005.11.046
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摘要: Abstract New poly(1-phenyl-1-alkyne)s bearing acrylic pendants (–{(C6H5)C C[(CH2)mOCOCH CH2]}n–; P1(m), m=3, 9) with high molecular weights are synthesized in yields by WCl6–Ph4Sn catalyst. The structures and properties of P1(m) characterized evaluated IR, NMR, TGA, UV, PL analyses. All the polymers solution-processable thermally stable (Td≥380 °C). Upon photoexcitation, emit strong blue lights emission efficiencies (>40%) comparable to that poly(1-phenyl-1-octyne), an emissive disubstituted polyacetylene. No excimeric absorption observed thin films polymers. moieties readily cross-linked UV irradiation without harming their optical properties, which may enable them find high-tech applications photoresist, luminescent patterning, light-emitting diodes.
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