期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 39, 页码 36205-36212出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b10089
关键词
organic semiconductor; 3D wettability-induced sequential assembly; organic p-n heterojunction; two-component single crystal array; organic field-effect transistors
资金
- National Natural Science Foundation of China [51672180, 51622306, 51821002, 91833303, 21673151]
- Natural Science Foundation of Jiangsu Province of China [BK20180845]
- Qing Lan Project
- 111 project
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Collaborative Innovation Center of Suzhou Nano Science and Technology (Nano-CIC)
Highly ordered organic semiconductor single-crystal (OSSC) arrays are ideal building blocks for functional organic devices. However, most of the current methods are only applicable to fabricate OSSC arrays of a single component, which significantly hinders the application of OSSC arrays in integrated organic circuits. Here, we present a universal approach, termed three-dimensional (3D) wettability-induced sequential assembly that can programmatically and progressively manipulate the crystallization locations of different organic semiconductors at the same spatial position using a 3D microchannel template, for the fabrication of the two-component OSSC arrays. As an example, we successfully prepared two-component, bilayer structured OSSC arrays consisting of n-type N,N'-bis(2-phenylethyl)perylene-3,4:9,10-tetracarboxylic diimide and p-type 6,13-bis(triisopropylsilylethynyl)pentacene microbelts. The bicomponent OSSCs show ambipolar carrier transport properties with hole and electron mobilities of 0.342 and 0.526 cm(2) V-1 s(-1), respectively. Construction of complementary inverters is further demonstrated based on the two-component OSSCs. The capability of integration of multicomponent OSSC arrays opens up unique opportunities for future high-performance organic complementary circuits.
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