Charge Transport Anisotropy in n-Type Disk-Shaped Triphenylene-Tris(aroyleneimidazole)s

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• 作者：Yue Zhang ; David Hanifi ; Steven Alvarez ; Francisco Antonio ; Andrew Pun ; Liana M. Klivansky ; Alexander Hexemer ; Biwu Ma ; Yi Liu
• 刊名：Organic Letters
• 出版年：2011
• 出版时间：December 16, 2011
• 年：2011
• 卷：13
• 期：24
• 页码：6528-6531
• 全文大小：745K
• 年卷期：v.13,no.24(December 16, 2011)
• ISSN：1523-7052

文摘

Two novel n-type disk-shaped molecules containing a triphenylene core and three fused naphthaleneimide imidazole or peryleneimide imidazole 鈥渁rms鈥?are synthesized and characterized. The n-type charge carrier mobilities of these molecules are evaluated by both field effect transistors and space-charge limited-current measurements, which exhibit drastically different mobility anisotropy. A strong correlation between film morphology and the charge transport behavior is established by X-ray scattering and atomic force microscopic analyses.