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Subwavelength emitters in the near-infrared based on mercury telluride nanocrystals

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Olk, P., Buchler, B., Sandoghdar, V., Gaponik, N., Eychmuller, A., & Rogach, A. (2004). Subwavelength emitters in the near-infrared based on mercury telluride nanocrystals. Applied Physics Letters, 84, 4732-4734. doi:10.1063/1.1759386.


Cite as: http://hdl.handle.net/21.11116/0000-0002-9B9A-2
Abstract
The optical properties of near-infrared-emitting mercury telluride (HgTe) nanocrystals are investigated using fluorescence confocal microscopy. The HgTe quantum dots were coated with a "layer-by-layer" process on latex spheres with diameters down to 150 nm and number of layers varying from 1 to 3. The individual spheres act as bright subwavelength light sources. Measurements of the fluorescence decay show that the lifetime varies with the number of nanocrystal layers. (C) 2004 American Institute of Physics.