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Proceedings Paper

Solution-phase growth of organic single-crystal arrays
Author(s): Osamu Goto; Shigetaka Tomiya; Yosuke Murakami; Akira Shinozaki; Akira Toda; Jiro Kasahara; Daisuke Hobara
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Paper Abstract

We have successfully developed a method for directly forming organic single-crystal thin films at designated locations on a substrate by solution-phase growth. An original micropattern, in which small rectangular regions were connected to a large rectangular region, was designed. The small regions and the large region were used as nucleation control regions (NCRs) and a growth control region (GCR), respectively. The key to success was to vary local supersaturation of a solution droplet by making a large difference in solvent evaporation between a NCR and a GCR. We found that the NCR played a very important role in forming a single nucleus and in investigating the possibility of control of the crystal orientation. By using the developed micropattern and controlling the solvent vapor pressure during growth, we fabricated single-crystal arrays of a stable organic semiconductor, 3,9-bis(4-ethylphenyl)-peri-xanthenoxanthene (C2Ph-PXX).

Paper Details

Date Published: 15 October 2012
PDF: 6 pages
Proc. SPIE 8478, Organic Field-Effect Transistors XI, 84780C (15 October 2012); doi: 10.1117/12.943223
Show Author Affiliations
Osamu Goto, Sony Corp. (Japan)
Shigetaka Tomiya, Sony Corp. (Japan)
Yosuke Murakami, Sony Corp. (Japan)
Akira Shinozaki, Sony Corp. (Japan)
Akira Toda, Sony Corp. (Japan)
Jiro Kasahara, Hokkaido Univ. (Japan)
Daisuke Hobara, Sony Corp. (Japan)

Published in SPIE Proceedings Vol. 8478:
Organic Field-Effect Transistors XI
Zhenan Bao; Iain McCulloch, Editor(s)

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