Emission enhancement and polarization of semiconductor quantum dots with nanoimprinted plasmonic cavities: Towards scalable fabrication of plasmon-exciton displays

Cadusch, J, Panchenko, E, Kirkwood, N, James, T, Gibson, B, Webb, K, Mulvaney, P and Roberts, A 2015, 'Emission enhancement and polarization of semiconductor quantum dots with nanoimprinted plasmonic cavities: Towards scalable fabrication of plasmon-exciton displays', Nanoscale, vol. 7, no. 33, pp. 13816-13821.


Document type: Journal Article
Collection: Journal Articles

Title Emission enhancement and polarization of semiconductor quantum dots with nanoimprinted plasmonic cavities: Towards scalable fabrication of plasmon-exciton displays
Author(s) Cadusch, J
Panchenko, E
Kirkwood, N
James, T
Gibson, B
Webb, K
Mulvaney, P
Roberts, A
Year 2015
Journal name Nanoscale
Volume number 7
Issue number 33
Start page 13816
End page 13821
Total pages 6
Publisher Royal Society of Chemistry
Abstract Here we present an application of a high throughput nanofabrication technique to the creation of a plasmonic metasurface and demonstrate its application to the enhancement and control of radiation by quantum dots (QDs). The metasurface consists of an array of cold-forged rectangular nanocavities in a thin silver film. High quantum efficiency graded alloy CdSe/CdS/ZnS quantum dots were spread over the metasurface and the effects of the plasmon-exciton interactions characterised. We found a four-fold increase in the QDs radiative decay rate and emission brightness, compared to QDs on glass, along with a degree of linear polarisation of 0.73 in the emitted field. Such a surface could be easily integrated with current QD display or organic solar cell designs.
Subject Physical Sciences not elsewhere classified
DOI - identifier 10.1039/c5nr04042f
Copyright notice © The Royal Society of Chemistry 2015
ISSN 2040-3364
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