Issue 31, 2018

High-performance organic circuits based on precisely aligned single-crystal arrays

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 cm2 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.

Graphical abstract: High-performance organic circuits based on precisely aligned single-crystal arrays

Article information

Article type
Paper
Submitted
10 Mar 2018
Accepted
07 May 2018
First published
11 May 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 17417-17420

High-performance organic circuits based on precisely aligned single-crystal arrays

J. Kang, M. Lee, A. Facchetti, J. Kim and S. K. Park, RSC Adv., 2018, 8, 17417 DOI: 10.1039/C8RA02139B

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