Direct Patterning of Colloidal Quantum-Dot Thin Films for Enhanced and Spectrally Selective Out-Coupling of Emission

10 Oct 2016 Prins Ferry Kim David K. Cui Jian De Leo Eva McPeak Kevin M. Norris David J.

We report on a template-stripping method for the direct surface patterning of colloidal quantum-dot thin films to produce highly luminescent structures with feature sizes less than 100 nm. Through the careful design of high quality bulls-eye gratings we can produce strong directional beaming (10{\deg} divergence) with up to six-fold out-coupling enhancement of spontaneous emission in the surface-normal direction... (read more)

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