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The Real Chemistry of Artificial Atoms: recent progress in the chemistry of semiconductor nanocrystals

Craig Bullen

CMP, Swinburne University of Technology.

Friday 1st September 2006, 3.30PM, Seminar Room AR103, Graduate Research Centre.

Semiconductor Nanocrystals (quantum dots) have attracted appreciable scientific attention for the past two decades. Quantum dots have been described as Ďartificial atomsí on account of their discrete electronic transitions. Quantum dots continue to be developed for a range of optically and biologically interesting applications; including new light sources and as fluorescent labels for the imaging of biological moieties. The current state of the art in the chemistry allows unprecedented flexibility in the tailoring of the optical properties of high quality quantum dots.

In this presentation the parallel development of new technologies and the chemistry of semiconductor nanocrystals will be highlighted. Details of some of the methods used to prepare high quality nanocrystals and some more complex modifications of the nanocrystals and their surfaces will be described and related to the specifications of the applied systems.

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