Energy transfer between colloidal semiconductor nanocrystals in an optical microcavity

Li Quo; Todd D. Krauss; Carl B. Poitras; Michal Lipson; Xiaowei Teng; Hong Yang

doi:10.1063/1.2335632

Energy transfer between colloidal semiconductor nanocrystals in an optical microcavity

Li Quo, Todd D. Krauss, Carl B. Poitras, Michal Lipson, Xiaowei Teng, Hong Yang

Research output: Contribution to journal › Article › peer-review

Abstract

The authors have studied nonradiative energy transfer between semiconductor nanocrystals (NCs) placed in a Fabry-Pérot microcavity. The spectrally integrated fluorescence from a monolayer of single sized NCs in the cavity is enhanced by a factor of 4.8 compared to free space. For a monolayer of mixed sized NCs, the acceptor NC fluorescence intensity is enhanced by an additional factor of 2.7 due to energy transfer processes. When the cavity mode is resonant with the acceptor NC fluorescence emission maximum, donor NC emission is completely suppressed, providing a narrow spectral output.

Original language	English (US)
Article number	061104
Journal	Applied Physics Letters
Volume	89
Issue number	6
DOIs	https://doi.org/10.1063/1.2335632
State	Published - 2006
Externally published	Yes

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Physics and Astronomy (miscellaneous)

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10.1063/1.2335632

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title = "Energy transfer between colloidal semiconductor nanocrystals in an optical microcavity",

abstract = "The authors have studied nonradiative energy transfer between semiconductor nanocrystals (NCs) placed in a Fabry-P{\'e}rot microcavity. The spectrally integrated fluorescence from a monolayer of single sized NCs in the cavity is enhanced by a factor of 4.8 compared to free space. For a monolayer of mixed sized NCs, the acceptor NC fluorescence intensity is enhanced by an additional factor of 2.7 due to energy transfer processes. When the cavity mode is resonant with the acceptor NC fluorescence emission maximum, donor NC emission is completely suppressed, providing a narrow spectral output.",

author = "Li Quo and Krauss, {Todd D.} and Poitras, {Carl B.} and Michal Lipson and Xiaowei Teng and Hong Yang",

note = "Funding Information: The authors acknowledge support of the NSF under Grant No. ECS-0085680, the Army Research Office under Award No. DAAD19-02-1-0370, the Alfred P. Sloan Foundation, and the Camille and Henry Dreyfus Foundation. The Cornell Nanofabrication Facility is supported by the NSF under Grant No. ECS-9731293.",

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doi = "10.1063/1.2335632",

language = "English (US)",

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T1 - Energy transfer between colloidal semiconductor nanocrystals in an optical microcavity

AU - Quo, Li

AU - Krauss, Todd D.

AU - Poitras, Carl B.

AU - Lipson, Michal

AU - Teng, Xiaowei

AU - Yang, Hong

N1 - Funding Information: The authors acknowledge support of the NSF under Grant No. ECS-0085680, the Army Research Office under Award No. DAAD19-02-1-0370, the Alfred P. Sloan Foundation, and the Camille and Henry Dreyfus Foundation. The Cornell Nanofabrication Facility is supported by the NSF under Grant No. ECS-9731293.

PY - 2006

Y1 - 2006

N2 - The authors have studied nonradiative energy transfer between semiconductor nanocrystals (NCs) placed in a Fabry-Pérot microcavity. The spectrally integrated fluorescence from a monolayer of single sized NCs in the cavity is enhanced by a factor of 4.8 compared to free space. For a monolayer of mixed sized NCs, the acceptor NC fluorescence intensity is enhanced by an additional factor of 2.7 due to energy transfer processes. When the cavity mode is resonant with the acceptor NC fluorescence emission maximum, donor NC emission is completely suppressed, providing a narrow spectral output.

AB - The authors have studied nonradiative energy transfer between semiconductor nanocrystals (NCs) placed in a Fabry-Pérot microcavity. The spectrally integrated fluorescence from a monolayer of single sized NCs in the cavity is enhanced by a factor of 4.8 compared to free space. For a monolayer of mixed sized NCs, the acceptor NC fluorescence intensity is enhanced by an additional factor of 2.7 due to energy transfer processes. When the cavity mode is resonant with the acceptor NC fluorescence emission maximum, donor NC emission is completely suppressed, providing a narrow spectral output.

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Energy transfer between colloidal semiconductor nanocrystals in an optical microcavity

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