Infrared‐Emitting Colloidal Nanocrystals: Synthesis, Assembly, Spectroscopy, and Applications
Top Cited Papers
- 22 March 2007
- Vol. 3 (4) , 536-557
- https://doi.org/10.1002/smll.200600625
Abstract
Semiconductor nanocrystals produced by means of colloidal chemistry in a solvent medium are an attractive class of nanometer-sized building blocks from which to create complex materials with unique properties for a variety of applications. Their optical and electronic properties can be tailored easily, both by their chemical composition and particle size. While colloidal nanocrystals emitting in the infrared region have seen a burst of attention during the last decade there is clearly a paucity of review articles covering their synthesis, assembly, spectroscopic characterization, and applications. This Review comprehensively addresses these topics for II–VI, III–V, and IV–VI nanocrystals, examples being HgTe and CdxHg1−xTe, InP and InAs, and PbS, PbSe, and PbTe, respectively. Among the applications discussed here are optical amplifier media for telecommunications systems, electroluminescence devices, and noninvasive optical imaging in biology.Keywords
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