Analysis of nanostructured blue light-emitting p-6P films on mica

Frank Balzer; Ed J. Kintzel Jr.; James G. Skofronick; Sanford A. Safron; Horst-Guenter Rubahn

doi:10.1117/12.451866

3 March 2003 Analysis of nanostructured blue light-emitting p-6P films on mica

Frank Balzer, Ed J. Kintzel Jr., James G. Skofronick, Sanford A. Safron, Horst-Guenter Rubahn

Proceedings Volume 4800, Organic Light-Emitting Materials and Devices VI; (2003) https://doi.org/10.1117/12.451866
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

Citation Download Citation

Frank Balzer, Ed J. Kintzel Jr., James G. Skofronick, Sanford A. Safron, and Horst-Guenter Rubahn "Analysis of nanostructured blue light-emitting p-6P films on mica", Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, (3 March 2003); https://doi.org/10.1117/12.451866

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