Highly Soluble Heteroheptacene: A New Building Block for p-Type Semiconducting Polymers

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• 作者：Qingdong Zheng ; Shanci Chen ; Bo Zhang ; Lixin Wang ; Changquan Tang ; Howard E. Katz
• 刊名：Organic Letters
• 出版年：2011
• 出版时间：January 21, 2011
• 年：2011
• 卷：13
• 期：2
• 页码：324-327
• 全文大小：263K
• 年卷期：v.13,no.2(January 21, 2011)
• ISSN：1523-7052

文摘

A facial synthetic route to a new heteroheptacene with the inclusion of carbazole and thiophene units is described. The synthesis of two new semiconducting copolymers with use of the heteroheptacene unit is also reported. The introduction of heteroatoms (sulfur, nitrogen) in the fused-ring system leads to small optical band-gaps of these polymers. The charge carrier mobilities for these polymers are measured in ambient conditions which are sufficient for photovoltaic applications.