کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1443891 | 1509482 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Sharp and red “single-chain” luminescence from poly[2,5-dialkoxy-1,4-phenylene vinylene] locked in ordered host matrix
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
بیومتریال
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
We found that the luminescence profile of poly[2,5-di(3â²,7â²-dimethyloctyloxy)-1,4-phenylene vinylene] (OC10C10-PPV), which originally is an orange-emitting polymer, can red-shift significantly by ca. 30 nm (λmax: from 585 to 614 nm) and become very narrow (full width at half maximum: 30 nm) when doped into poly{2-[m-(3â²,7â²-dimethyloctyloxy)phenyl]-1,4-phenylene vinylene} (m-Ph-PPV). Due to the ordered structure of the host polymer, the effective conjugation length of the guest polymer is extended as if the chains were frozen. Surprisingly, the OC10C10-PPV chains can even be more tightly locked in the ordered m-Ph-PPV matrix than in the cooled neat OC10C10-PPV film at 5 K.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Synthetic Metals - Volume 156, Issues 2â4, 1 February 2006, Pages 219-223
Journal: Synthetic Metals - Volume 156, Issues 2â4, 1 February 2006, Pages 219-223
نویسندگان
Kang-Yung Peng, Show-An Chen,