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Positioning growth of NPB crystalline nanowires on PTCDA nano-crystal template

Abstract

Non-planar organic molecules often form amorphous films by vapor phase deposition on surfaces. In this study, we first time demonstrate that direct crystalline growth of non-planar NPB is possible when the orientation of initial deposited molecules on PTCDA nano-crystal template can be controlled to analog the structure of the molecular crystal. The crystalline NPB nanowires can be further positioned by controlling the site-selective growth of PTCDA nano-crystal templates at pre-determined locations. Short channel bottom contact OFET array with the NPB nanowires directly grown on electrodes were thereafter fabricated. The hole mobility of NPB nanowires is 40 times improved in comparison to that of the amorphous films.

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Publication details

The article was received on 13 Mar 2018, accepted on 07 May 2018 and first published on 11 May 2018


Article type: Paper
DOI: 10.1039/C8NR02085J
Citation: Nanoscale, 2018, Accepted Manuscript
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    Positioning growth of NPB crystalline nanowires on PTCDA nano-crystal template

    L. Chi, H. Wang, H. Lin, X. Fan, S. Ostendorp, Y. Wang, L. Huang, L. Jiang, Y. Li, G. Wilde, H. Fuchs and W. Wang, Nanoscale, 2018, Accepted Manuscript , DOI: 10.1039/C8NR02085J

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