asteroza + electrode + cell   4

Stanford researchers find electrical current stemming from plants
Directly tapping algae cells with piercing gold electrodes to siphon off photosynthesis electrons for power. Scalable? Probably not, unless you can culture the algae cells directly on an electrode grid panel and make them stick.
algae  direct  electron  takeoff  cell  membrane  electrode  photosynthesis  green  energy  power  generator  biology  research  Delicious 
april 2010 by asteroza
[JSAP] Optical Fiber Turns Into Solar Cell -- Tech-On!
Interesting hybrid cascade/tandem solar cell architecture using fiber optics. The trick is to catch light bouncing in the fiber by dye sensitized solar cells mounted as a concentric cladding around the fiber. To get higher efficiency, have one band of cells of a length sufficient to cat most pounced light in a single pass, then have another band farther down the fiber optimized for a different wavelength for the second pass. You would have multiple bands from front to back with short wavelength stuff up front. Interesting that these guys are gunning for the near-infrared, as they use bounced light which doesn't suffer from transmittance problems encountered in transparent electrode TCO dye sensitized tandem cells which must pass through the first layer to reach lower layer cells.
fiber  solar  cell  dye  sensitized  tandem  cascade  incident  light  bounce  visible  near-infrared  TCO  transparent  electrode  Delicious 
february 2010 by asteroza

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