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Optical and electronic properties of 3,4-dialkylthiophene-based p-/n-alternating copolymers

✍ Scribed by Zheng-Jian Qi; Xue-Mei Wang; Bin Wei; Feng Kang; Lan-Lan Tang; Man-Xin Hong; Yue-Ming Sun


Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
597 KB
Volume
120
Category
Article
ISSN
0021-8995

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## Abstract Poly(fluorene)‐type materials are widely used in polymer‐based emitting devices. During operation there appears, however, an additional emission peak at around 2.3 eV, leading to both a color instability and reduced efficiency. The incorporation of the carbazole units has been proven to