Metal-Polymer-Metal Split-Dipole Nanoantennas

The conjugated polymer semiconductor poly(3‐hexylthiophene), (P3HT), is integrated directly into the slot region of resonant plasmonic split‐dipole nanoantennas. The P3HT radiative emission rate is enhanced by a factor of up to 29, in experiment, and 550 for the ideal case, due to the large local de...

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Veröffentlicht in:	Advanced Materials 2012-06, Vol.24 (23), p.OP136-OP142
Hauptverfasser:	O'Carroll, Deirdre M., Fakonas, James S., Callahan, Dennis M., Schierhorn, Martin, Atwater, Harry A.
Format:	Artikel
Sprache:	eng
Schlagworte:	conjugated polymers Gold - chemistry Metals - chemistry nanoantennas Nanostructures - chemistry Polymers - chemistry polythiophene quantum efficiency Quantum Theory radiative emission Semiconductors solar (photovoltaic), solid state lighting, phonons, thermal conductivity, electrodes - solar, materials and chemistry by design, optics, synthesis (novel materials), synthesis (self-assembly) Thiophenes - chemistry
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Beschreibung
Zusammenfassung:	The conjugated polymer semiconductor poly(3‐hexylthiophene), (P3HT), is integrated directly into the slot region of resonant plasmonic split‐dipole nanoantennas. The P3HT radiative emission rate is enhanced by a factor of up to 29, in experiment, and 550 for the ideal case, due to the large local density of optical states in the nanoantenna slot region. Additionally, the theoretical modified luminescence quantum efficiency is shown to increase from 1% to 45% for optimized nanoantenna parameters.
ISSN:	0935-9648 1521-4095
DOI:	10.1002/adma.201103396