Synthesis and Absorption Properties of Long Acenoacenes

Autor: Daniel Mildner, André Gourdon, Bolesław Kozankiewicz, Marzena Banasiewicz, Yuuya Nagata, Jan Holec, Andrej Jančařík, Joanna Olas
Rok vydání: 2021
Předmět:
Zdroj: Chemistry – A European Journal. 27:12388-12394
ISSN: 1521-3765
0947-6539
Popis: Acenes, polyaromatic hydrocarbons composed of linearly fused benzene rings have received immense attention due to their performance as semiconductors in organic optoelectronic applications. Their appealing physicochemical properties, such as extended delocalization, high charge carrier mobilities, narrow HOMO-LOMO gaps and partially radical character in the ground state make them very attractive targets for many potential applications. However, the intrinsic synthetic challenges of unsubstituted members such as high reactivity and poor solubility are still limiting factors for their wider exploitation. Herein, we report a simple general synthesis of a new family of angularly fused acenoacenes with improved stability compared to their isoelectronic linear counterparts. The synthesis and comprehensive characterization of pentacenopentacene, pentacenohexacene and hexacenohexacene, with lengths between decacene and dodecacene, are disclosed.
Databáze: OpenAIRE
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