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Doped ZnSe Nanocrystals Offer Alternative to CdSe

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Daniel S. Burgess

Scientists at the University of Arkansas and at NN-Labs LLC, both in Fayetteville, Ark., have produced ZnSe nanocrystals doped with copper and with MnSe. They suggest that these alternatives to CdSe nanocrystals offer lower toxicity and higher stability for the development of biomedical labels, LEDs and lasers. Xiaogang Peng, a professor in the university’s department of chemistry and biochemistry, noted that CdSe has been the material of choice in nanotechnology research and development  CdSe nanocrystals are relatively easy to produce, and their emission wavelength is continuously...Read full article

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    Published: January 2006
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    Basic ScienceFeaturesLight Sourcesnanonanocrystalsnucleation-dopingLEDs

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