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Proceedings Paper

Analysis of nanostructured blue light-emitting p-6P films on mica
Author(s): Frank Balzer; Ed J. Kintzel Jr.; James G. Skofronick; Sanford A. Safron; Horst-Guenter Rubahn
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Paper Abstract

Blue light-emitting aggregates of para-hexaphenyl molecules ('needles') are generated via dipole-assisted self assembly on single crystalline mica substrates. By applying atomic force microscopy and fluorescence microscopy we deduce size distributions as well as height-width correlations of individual aggregates. We find growth of densely-packed, needle-like structures even in the initial growth stage at low surface temperatures. However, long (up to one millimeter) and sparsely distributed, individually addressable needles grow only at high substrate temperatures and low adsorption rates. For a given sample at constant deposition conditions the height of the needles seems to be independent of width. This opens up the possibility to control the morphology of individual nanostructured aggregates.

Paper Details

Date Published: 3 March 2003
PDF: 7 pages
Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, (3 March 2003);
Show Author Affiliations
Frank Balzer, Humboldt-Univ. zu Berlin (Germany)
Ed J. Kintzel Jr., Florida State Univ. (United States)
James G. Skofronick, Florida State Univ. (United States)
Sanford A. Safron, Florida State Univ. (United States)
Horst-Guenter Rubahn, Odense Univ. (Denmark)

Published in SPIE Proceedings Vol. 4800:
Organic Light-Emitting Materials and Devices VI
Zakya H. Kafafi; Homer Antoniadis, Editor(s)

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