Gallery: Purple Pokeberries Could Provide Low-Cost Solar for Developing...


Civil War soldiers used the dye from purple pokeberries to write letters home. Now, the bright-colored weeds are being used for a far more modern purpose. Researchers at Wake Forest University’s Center for Nanotechnology and Molecular Materials created low-cost, fiber-based solar cells that work more efficiently when coated with a layer of pokeberry dye. Scientists hope the cheap solar cells combined with a common plant will help provide inexpensive electricity to developing nations.

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1 Comment

  1. offgridguy April 30, 2010 at 3:22 pm

    What about me?!?! I’ve lived without electricity for several years now trying to save up enough money to get solar panels and yet I am still forced to run a diesel generator all day and all night long. Everybody wants to send this technology to deveoping nations. HELLO, I am right here in the same state!! I didn’t decide to live off-grid, I was forced to after my real estate agent lied to me about power being on this property and I spent every dime I had on this house. So here I sit, emitting CO2, hoping to one day have enough money to change the situation. Oh well. I hope they like those solar panels.

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