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Nature Article About "White" LEDs
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Joe
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PostPosted: Thu Jul 17, 2008 7:48 pm    Post subject: Nature Article About "White" LEDs Reply with quote
Anybody heard of this?

From this week>s Nature: Nature 454, 256 (17 July 2008)

....

Wooseok Ki and Jing Li of Rutgers University in Piscataway, New
Jersey, have discovered a new type of semiconducting material that
emits white light when illuminated by a blue LED. It consists of
stacked sheets of cadmium sulphide that have amine molecules attached
to their top and bottom surfaces.

The brightness is improved by adding a little manganese. Next the
researchers will need to see if the white emission can be driven
purely by electricity.

(reported from J. Am. Chem. Soc. 130, 8114–8115 (2008) )
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