Special Section on Nanoengineering: Fabrication, Properties, Optics, and Devices

Optical properties of microstructured surface-grown and transferred organic nanofibers

[+] Author Affiliations
Jakob Kjelstrup-Hansen

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

Luciana Tavares

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

Roana Melina de Oliveira Hansen

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

Xuhai Liu

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

Kirill Bordo

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

Horst-Günter Rubahn

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

J. Nanophoton. 5(1), 051701 (May 05, 2011). doi:10.1117/1.3574401
History: Received October 11, 2010; Revised February 10, 2011; Accepted February 10, 2011; Published May 05, 2011; Online May 05, 2011
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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.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Jakob Kjelstrup-Hansen ; Luciana Tavares ; Roana Melina de Oliveira Hansen ; Xuhai Liu ; Kirill Bordo, et al.
"Optical properties of microstructured surface-grown and transferred organic nanofibers", J. Nanophoton. 5(1), 051701 (May 05, 2011). ; http://dx.doi.org/10.1117/1.3574401


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