کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5188650 1381163 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Spectrum-stable hyperbranched polyfluorene with photocrosslinkable group
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Spectrum-stable hyperbranched polyfluorene with photocrosslinkable group
چکیده انگلیسی
Two kinds of blue light-emitting hyperbranched crosslinkable polyfluorene P1 and P2 with different contents of branch unit were synthesized via the palladium-catalyzed Suzuki coupling reaction, and the linear crosslinkable polyfluorene P0 was also prepared for comparison. The molecular weight and thermal behavior of the polymers were measured by GPC, DSC and TGA. Compared with uncrosslinked P0, P1 and P2, the photoluminescence spectra of crosslinked P0, P1 and P2 were little influenced. After annealing for 3 h at 200 °C in air, the photoluminescence spectrum of P2 with higher contents of branch unit showed more excellent stability compared with that of P1 and P0. The spectrum-stable hyperbranched polyfluorene can be used in multilayer and multicolor PLED.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 48, Issue 15, 13 July 2007, Pages 4412-4418
نویسندگان
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