High-performance organic circuits based on precisely aligned single-crystal arraysopen access
- Authors
- Kang, Jingu; Lee, Minwook; Facchetti, Antonio; Kim, Jaekyun; Park, Sung Kyu
- Issue Date
- May-2018
- Publisher
- Royal Society of Chemistry
- Citation
- RSC Advances, v.8, no.31, pp.17417 - 17420
- Indexed
- SCIE
SCOPUS
- Journal Title
- RSC Advances
- Volume
- 8
- Number
- 31
- Start Page
- 17417
- End Page
- 17420
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/8030
- DOI
- 10.1039/c8ra02139b
- ISSN
- 2046-2069
- Abstract
- In this paper, we demonstrate high-performance organic logic circuits based on precisely controlled organic single-crystal arrays. Well-aligned microrod shaped 2,7-dioctyl[1]benzothieno[3,2-b][1] benzothiophene (C8-BTBT) single-crystal organic thin-film-transistors (OTFTs) were fabricated via solvent mediated molecular tailoring with a polymeric sacrificial layer, exhibiting saturation mobility of >2 cm(2) V-1 s(-1). Using this approach, precise placement of organic crystal arrays in a controlled orientation was successfully achieved, enabling the fabrication of OTFT-based inverter circuits with a gain of 1.37 (V V-1). Furthermore, it was demonstrated that, by varying the number of single-crystal microrods, the device dimension and corresponding circuit performance can be modulated. A high-performance inverter operation with various interdigitating single-crystal microrod arrays can thus be achieved.
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