Publication: Modification of multiphoton emission properties of single quantum dot due to the long-range coupling with plasmon nanoparticles in thin-film hybrid material
Дата
2019
Авторы
Sanchez-Iglesias, A.
Grzelczak, M.
Krivenkov, V.
Samokhvalov, P.
Nabiev, I.
Rakovich, Y.
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Аннотация
© 2019 SPIE.Semiconductor quantum dots (QDs) are known for their unique photophysical properties and, in particular, their ability to multiphoton emission caused by recombination of biexcitons. However, the luminescence quantum yield of biexciton states is relatively low due to the fast Auger non-radiative process. Plasmonic nanoparticles can significantly accelerate the radiative rate of QDs. In this study we demonstrate the distance-controlled enhancement of the biexciton emission of single CdSe/ZnS/CdS/ZnS QDs due to their coupling with gold nanorods. We explain this enhancement as the distancedependent trade-off between the energy transfer and the Purcell effect. Our findings constitute a reliable approach to managing the efficiency of multiphoton emission over a wide span of distances.
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Modification of multiphoton emission properties of single quantum dot due to the long-range coupling with plasmon nanoparticles in thin-film hybrid material / Sanchez-Iglesias, A. [et al.] // Proceedings of SPIE - The International Society for Optical Engineering. - 2019. - 11207. - 10.1117/12.2530093
URI
https://www.doi.org/10.1117/12.2530093
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https://www.scopus.com/record/display.uri?eid=2-s2.0-85074276851&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000535234000080
https://openrepository.mephi.ru/handle/123456789/19745