Near-Field Light Design with Colloidal Quantum Dots for Photonics

Sep 2, 2014 - Colloidal quantum-dots are bright, tunable emitters that are ideal for studying near-field quantum-optical interactions. However, their ...
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Letter pubs.acs.org/NanoLett

Near-Field Light Design with Colloidal Quantum Dots for Photonics and Plasmonics Stephan J. P. Kress,† Patrizia Richner,‡ Sriharsha V. Jayanti,† Patrick Galliker,‡ David K. Kim,† Dimos Poulikakos,‡ and David J. Norris*,† †

Optical Materials Engineering Laboratory and ‡Laboratory of Thermodynamics in Emerging Technologies, ETH Zurich, 8092 Zurich, Switzerland S Supporting Information *

ABSTRACT: Colloidal quantum-dots are bright, tunable emitters that are ideal for studying near-field quantum-optical interactions. However, their colloidal nature has hindered their facile and precise placement at desired near-field positions, particularly on the structured substrates prevalent in plasmonics. Here, we use highresolution electro-hydrodynamic printing (