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1005 nDSC Boku_4 | by bartaku
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1005 nDSC Boku_4

Natural dye (Ognon peel and carrot juice) sensitized solar cell made by participant of Phoef worklab at the University of Natural Resources and Life Sciences (Boku), Vienna (AT), May 31st, 2009

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Taken on May 31, 2010