期刊
NATURE NANOTECHNOLOGY
卷 13, 期 2, 页码 139-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41565-017-0018-6
关键词
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资金
- 'Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials' from the Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
- LIT startup Grant [LIT013144001SEL]
- Grants-in-Aid for Scientific Research [16H01857] Funding Source: KAKEN
In organic electronics the functionalization of dielectric substrates with self-assembled monolayers is regarded as an effective surface modification strategy that may significantly improve the resulting device performance. However, this technique is not suitable for polymer substrates typically used in flexible electronics. Here, we report organic modifiers based on a paraffinic tripodal triptycene, which self-assembles into a completely oriented two-dimensional hexagonal triptycene array and one-dimensional layer stacking structure on polymer surfaces. Such few-layer films are analogous to conventional self-assembled monolayers on inorganic substrates in that they neutralize the polymer surface. Furthermore, the triptycene films significantly improve the crystallinity of an organic semiconductor and the overall performance of organic thin-film transistors, therefore enabling the fabrication of high-performance organic complementary circuits on polymer substrates with high oscillation speeds and low operation voltage.
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