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- Title
2D Single-Crystalline Molecular Semiconductors with Precise Layer Definition Achieved by Floating-Coffee-Ring-Driven Assembly.
- Authors
Wang, Qijing; Qian, Jun; Li, Yun; Zhang, Yuhan; He, Daowei; Jiang, Sai; Wang, Yu; Wang, Xinran; Pan, Lijia; Wang, Junzhuan; Wang, Xizhang; Hu, Zheng; Nan, Haiyan; Ni, Zhenhua; Zheng, Youdou; Shi, Yi
- Abstract
2D organic materials with in-plane van der Waals forces among molecules have unique characteristics that ensure a brilliant future for multifunctional applications. Soluble organic semiconductors can be used to achieve low-cost and high-throughput manufacturing of electronic devices. However, achieving solution-processed 2D single-crystalline semiconductors with uniform morphology remains a substantial challenge. Here, the fabrication of 2D molecular single-crystal semiconductors with precise layer definition by using a floating-coffee-ring-driven assembly is presented. In particular, bilayer molecular films exhibit single-crystalline features with atomic smoothness and high film uniformity over a large area; field-effect transistors yield average and maximum carrier mobilities of 4.8 and 13.0 cm2 V−1 s−1, respectively. This work demonstrates the strong potential of 2D molecular crystals for low-cost, large-area, and high-performance electronics.
- Subjects
SINGLE crystals; ORGANIC semiconductors; CRYSTAL morphology; MOLECULAR crystals; FIELD-effect transistors
- Publication
Advanced Functional Materials, 2016, Vol 26, Issue 19, p3191
- ISSN
1616-301X
- Publication type
Article
- DOI
10.1002/adfm.201600304