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Issue 21, 2018
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Positioning growth of NPB crystalline nanowires on the PTCDA nanocrystal template

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Abstract

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

Graphical abstract: Positioning growth of NPB crystalline nanowires on the PTCDA nanocrystal template

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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, 2018,10, 10262-10267
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    Positioning growth of NPB crystalline nanowires on the PTCDA nanocrystal template

    H. Wang, H. Lin, X. Fan, S. Ostendorp, Y. Wang, L. Huang, L. Jiang, Y. Li, G. Wilde, H. Fuchs, W. Wang and L. Chi, Nanoscale, 2018, 10, 10262
    DOI: 10.1039/C8NR02085J

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