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Element 1: Cadmium
Element 2: Selenium
Element 3: Zinc
Element 4: Sulfur
Structure: Quantum Dots
PPMD: 3  nm
Added to NIL: 8/16/2005 8:54:00 AM
Contributor: Shimon   Weiss  ,   UCLA 

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Research Abstract:
Colloidal semiconductor nanocrystals (or quantum dots) are fragments of semiconductor composed of few hundreds to thousands of atoms (figure 1). Nanocrystals (NCs) have unique size-dependent optical properties resulting from quantum confinement. This confinement occurs when the particles are smaller more info

Additional Particle Information 

Related Publications:
M. Dahan, T. Laurence, D.P. Herten, A. Schumacher, D.S. Chemla, A.P. Alivisatos, M. Sauer and S. Weiss, Time-gated biological imaging using colloidal quantum dots, Optics Letters, 26, 825-827 (2001). D. Gerion, F. Pinaud, S.C. Williams, W.J. Parak, D. Zanchet, S. Weiss, and A.P. Alivisatos, "Synthesis and properties of biocompatible water-soluble silica-coated CdSe/ZnS semiconductor quantum dots", to be published in Journal of Physical Chemistry B (web version published as a ASAP paper, 5 June more info
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