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A Dewetting-Induced Assembly Strategy for Precisely Patterning Organic Single Crystals in OFETs
Xiaonan Kan1, Chengyi Xiao1, Xinmeng Li1
1Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids and Laboratory of New Materials Institute of Chemistry, Chinese Academy of Sciences (ICCAS) , Beijing, 100190, P. R. China.
ACS Applied Materials & Interfaces
|July 6, 2016
Summary
A new dewetting-induced assembly method creates large-scale, oriented organic crystal arrays. This technique enables high-performance organic field-effect transistors (OFETs) for electronics applications.
Area of Science:
- Materials Science
- Organic Electronics
- Crystallography
Background:
- Patterning single crystals is essential for electronic applications.
- Existing methods struggle with spatial control and crystal quality distribution.
Purpose of the Study:
- To develop a facile method for large-scale, highly oriented organic crystal array fabrication.
- To demonstrate the performance of organic field-effect transistors (OFETs) fabricated using this method.
Main Methods:
- Dewetting-induced assembly strategy for organic crystal patterning.
- Fabrication of organic field-effect transistors (OFETs) using patterned n-alkyl-substituted tetrachloroperylene diimide (R-4ClPDI) single crystals.
Main Results:
- Achieved large-scale and highly oriented organic crystal arrays.
- Demonstrated OFETs with a maximum mobility of 0.65 cm(2) V(-1) s(-1) for C8-4ClPDI under ambient conditions.
Conclusions:
- The dewetting-induced assembly is a facile and effective method for patterning organic crystals.
- This technique facilitates the fabrication of high-performance OFETs for large-scale electronics.
