Optical properties of microstructured surface-grown and transferred organic nanofibers

Kjelstrup-Hansen, Jakob; Tavares, Luciana; de Oliveira Hansen, Roana Melina; Liu, Xuhai; Bordo, Kirill; Rubahn, Horst-Günter

doi:doi:10.1117/1.3574401

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Journal of Nanophotonics / Volume 5 / Special Section on Nanoengineering: Fabrication, Properties, Optics, and Devices

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Optical properties of microstructured surface-grown and transferred organic nanofibers

J. Nanophoton. 5, 051701 (May 05, 2011); http://dx.doi.org/10.1117/1.3574401

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Abstract

References (22)

Jakob Kjelstrup-Hansen, Luciana Tavares, Roana Melina de Oliveira Hansen, Xuhai Liu, Kirill Bordo, and Horst-Günter Rubahn

University of Southern Denmark, NanoSYD, Mads Clausen Institute, Alsion 2, DK-6400 Sønderborg, Denmark

Specially designed surface micro- and nanostructures allow one to steer the bottom up self-organized growth of crystalline nanoaggregates from wide bandgap organic molecules, which possess extraordinary optoelectronic properties. Polarized light-emitting para-hexaphenylene nanofiber arrays exemplify such “self-growing” nanophotonic devices. The methodology behind this growth is an alternative to transfer of nanofiber arrays from specific growth substrates onto device platforms. We compared the optical properties of transferred and in situ grown nanofibers in terms of polarization function and emission homogeneity and also studied the temperature dependence of the emission spectra of transferred nanofiber arrays. Both types of nanofibers show the same spatial emission characteristics along their long axes and also the same polarization ratio. However, in nanofiber arrays, the polarization ratio decreases in the case of structured surface-grown nanofibers since the mutual orientation of the nanofibers is less perfect than for transferred fibers.

History

Received Oct 11, 2010
Accepted Feb 10, 2011
Revised Feb 10, 2011
Published online May 05, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3574401

Citation

Jakob Kjelstrup-Hansen, Luciana Tavares, Roana Melina de Oliveira Hansen, Xuhai Liu, Kirill Bordo and Horst-Günter Rubahn, "Optical properties of microstructured surface-grown and transferred organic nanofibers", J. Nanophoton. 5, 051701 (May 05, 2011); http://dx.doi.org/10.1117/1.3574401