Tailoring light–matter–spin interactions in colloidal hetero-nanostructures

Jiatao Zhang, Yun Tang, Kwan Lee and Min Ouyang ()
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Jiatao Zhang: University of Maryland, College Park, Maryland 20742, USA
Yun Tang: University of Maryland, College Park, Maryland 20742, USA
Kwan Lee: University of Maryland, College Park, Maryland 20742, USA
Min Ouyang: University of Maryland, College Park, Maryland 20742, USA

Nature, 2010, vol. 466, issue 7302, 91-95

Abstract: Light and matter finely tuned Tuning the interactions between light and matter in semiconductors holds great promise for a host of exotic applications. But as the size of semiconducting devices is reduced, such interactions typically weaken, posing potential problems for the realization of the envisaged applications at the nanoscale. Zhang et al. now report a way of circumventing these limitations: they have produced colloidal particles that have a metallic core and a semiconducting shell, in which coupling of the plasmons in the metal to the excitons in the semiconductor is engineered to enhance light–matter interactions in the particle.

Date: 2010
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DOI: 10.1038/nature09150

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