二二[6,5-b:6',5'-f]二[3,2-b]二 (DBTTT):用于场效应晶体管的高性能小分子有机半导体
Jeong-Il Park1, Jong Won Chung1, Joo-Young Kim1
1Material Research Center, Samsung Advanced Institute of Technology, Samsung Electronics Co., Ltd. , Samsung-ro 130, Yongtong-gu, Suwon-si, Gyeonggi-do 443-803, Korea.
Journal of the American Chemical Society
|April 1, 2015
概括
一个新的有机半导体,二硫[6,5-b:6:6].
科学领域:
- 有机电子学有机电子学
- 材料科学是一种材料科学.
- 半导体物理 半导体物理
背景情况:
- 有机半导体对于灵活的电子产品至关重要.
- 基于蒂奥芬的材料提供可调节的电子特性.
- 加强分子间相互作用是改善电荷传输的关键.
研究的目的:
- 为了合成和表征一种新型的烯丰富的烯,dibenzothiopheno[6,5-b:6',5'-f]thieno[3,2-b]thiophene (DBTTT).
- 研究S-S相互作用对分子包装和电荷转移的影响.
- 为了评估DBTTT在场效应晶体管中的性能.
主要方法:
- DBTTT 的合成.
- 用于结构分析的X射线晶体学.
- 聚晶薄膜晶体管的制造和表征.
主要成果:
- 由于强大的S-S相互作用,DBTTT表现出增强的分子间电荷转移.
- 与DNTT相比,晶体结构显示了缩短的π-π距离和更高的包装密度.
- 在DBTTT薄膜晶体管中实现了最高的孔流动性19.3cm(2) ·V(-1) ·s(-1),是DNTT的6倍.
- 证明了同位方角移动性和高达140°C的热稳定性.
结论:
- DBTTT是一种有前途的有机半导体,具有卓越的电荷传输特性.
- 分子设计有效地增强了分子间相互作用,以提高性能.
- 在有机电子产品中,DBTTT显示了设备统一性和可加工性的潜力.
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