Plasmon-Enhanced Emission Rates from III-Nitride Quantum Wells Using Tunable Surface Plasmons
Autor: | Salvatore Minissale, Jeff DiMaria, Rui Li, John Henson, Roberto Paiella, Emmanouil Dimakis, Theodore D. Moustakas, L. Dal Negro |
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Rok vydání: | 2011 |
Předmět: | |
Zdroj: | MRS Proceedings. 1294 |
ISSN: | 1946-4274 0272-9172 |
DOI: | 10.1557/opl.2011.179 |
Popis: | Two-dimensional arrays of silver nanocylinders fabricated by electron-beam lithography are used to demonstrate plasmon-enhanced near-green light emission from nitride semiconductor quantum wells. Large enhancements in peak photoluminescence intensity (up to a factor of over 3) are obtained, accompanied by a substantial reduction in recombination lifetime indicative of increased internal quantum efficiency. The measured enhancement factors exhibit a strong dependence on the nanoparticle dimensions, underscoring the importance of geometrical tuning for this application. |
Databáze: | OpenAIRE |
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