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From: amirza@silver.ucs.indiana.edu (anmar mirza)
Newsgroups: sci.energy,sci.electronics
Subject: Re: solar cells
Message-ID: <1991Jan5.222423.14844@bronze.ucs.indiana.edu>
Date: 5 Jan 91 22:24:23 GMT
References: <1991Jan4.173128.26484@cs.rochester.edu> <1991Jan5.011526.15425@midway.uchicago.edu> <1991Jan5.025526.9284@cs.rochester.edu>
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Organization: Indiana University, Bloomington
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In article <1991Jan5.025526.9284@cs.rochester.edu>
dietz@cs.rochester.edu (Paul Dietz) writes:
>The ability to use diffuse sunlight is an advantage, but high
>concentration is also nice -- silicon solar cells (at least) become
>more efficient at high concentration ratios (at constant temperature).
>I'm not sure why this is.  Also, concentration schemes should have
It is actually very simple, more photons in=more electrons out. 
Efficiency suffers as the heat goes up, but there are various ways
around that. The Midway panels I mentioned a few posts ago use no
active cooling, and they use monocrystalline silicon cells.




--
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