ee90d0f1   
   XPost: sci.physics, sci.electronics.design, sci.chem   
   From: ham789@netzero.net   
      
   On 4/29/2013 9:36 PM, RichD wrote:   
   > I recently attendesd a seminar on photovoltaic research.  The   
   > speaker showed a graph, how the power efficiency drops as   
   > the recombination time of the minority carriers decreases.   
   > Can anyone expound on this?   
      
   The electrons have to get to the wire.  That takes time.   
   The any electron that recombines never gets out the wire.   
   >   
   > And, the quantum efficiency drops, as well.  What does   
   > that mean?   
   >   
   > --   
   > Rich   
      
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