A Cyclic Triphenylamine Dimer for Organic Field-Effect Transistors with High Performance

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• 作者：Yabin Song ; Chong'an Di ; Xiaodi Yang ; Shouping Li ; Wei Xu ; Yunqi Liu ; Lianming Yang ; Zhigang Shuai ; Deqing Zhang ; Daoben Zhu
• 刊名：Journal of the American Chemical Society
• 出版年：2006
• 出版时间：December 20, 2006
• 年：2006
• 卷：128
• 期：50
• 页码：15940 - 15941
• 全文大小：78K
• 年卷期：v.128,no.50(December 20, 2006)
• ISSN：1520-5126

文摘

A cyclic ethylene linked triphenylamine dimer formed highly crystalline thin film via vapor deposition. Meanwhile, the corresponding linear molecule only resulted in amorphous films under the same condition. The performance as FET semiconductor also improved significantly when the molecular structure derived from linear to cyclic type. The cyclic molecule displayed mobilities in excess of 10^-2 cm² V^-1 s^-1 and high on/off ratios up to 10⁷.