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Light-Producing Nanotubes Could Mean Faster Chips

Posted by timothy on from the making-light-of-carbon dept.

CannibalBob writes "From PCWorld: Researchers at IBM have used carbon molecules to emit light, a breakthrough that could replace silicon as the foundation of chips and lead to faster computers and telecommunication equipment. This is the first time light has ever been generated from a molecule by applying electricity. Read the article."

5 of 181 comments (clear)

  1. First time? by Anonymous Coward · · Score: 4, Interesting

    How do light bulbs work? True, they burn as a side effect of being heated, but you apply electricity, and you [eventually] get light. Then there's the the whole laser thing... Florcent tubes?

  2. Nanotube display? by Tyrdium · · Score: 4, Interesting

    If they managed to refine this enough, could we be seeing nanotube displays some time in the future? And how would the power drain compare to that of an LCD or OLED display?

    1. Re:Nanotube display? by AttillaTheNun · · Score: 4, Interesting

      Exactly what I was thinking. Imagine the resolution you would get from a 21" nano-tube display. At 1.4 nm diameter, assuming you could align these in a perfect grid (and my math isn't totally screwed up), you would have a theoretical max resolution of 17.857 million dots/inch or 375,000,000 x 281,250,000 pixels in a 21" screen :) You'll need a mofo graphics card to drive it, of course :)

  3. Isn't it felicitous... by BigBadBri · · Score: 5, Interesting
    that these nanotubes happen to emit at around 1500nm, which is a good wavelength for fibre optics?

    Thinking about it, would it not be feasible to make them emit harmonics (375nm blue, anyone?) for use in optical storage too?

    I'm just a dumb old maths guy, not a physicist, but surely someone can enlighten us?

    --
    oh brave new world, that has such people in it!
  4. Another application: Nano optocouplers? by VCAGuy · · Score: 4, Interesting

    In theatrical lighting, the power stage is separated from the signal side by an optocoupler--which basically ensures that if the power stage leaks 240VAC, it won't travel down the DMX wire and fry everything else.

    I wonder if they could use these "lighted" carbon nanotubes to put an optocoupler directly on the IGBT of the dimmer...that, as my coworkers would say, would be "freakin' awesome"!

    --
    Q: "Why do sound techs say 'check 1, 2'?"
    A: "Cause if they could count any higher they'd be lighting techs."