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Dicyanovinyl Heterotetracenes: Synthesis, Solid-State Structures, and Photophysical Properties

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journal contribution
posted on 02.10.2009, 00:00 by Chunyan Du, Jianming Chen, Yunlong Guo, Kun Lu, Shanghui Ye, Jian Zheng, Yunqi Liu, Zhigang Shuai, Gui Yu
Two asymmetrically substituted dicyanovinyl heterotetracenes are synthesized and characterized. Single-crystal X-ray diffractions indicate both intermolecular hydrogen bonds and π-stacking existing in the solid-state structures. The solvatochromic behaviors of the two heterotetracenes were investigated in a variety of solvents. Both experimental and computational results suggest that the two heterotetracenes have low-lying lowest unoccupied molecular orbitals and thus may be potential n-type or bipolar organic semiconductors for organic electronics.