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knjiga solarna energija dobra

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SOLAR CELL FUNDAMENTALS 95<br />

Another important figure of merit is the collection efficiency, which can be defined<br />

relative to both optical and recombination losses as an external collection efficiency<br />

η ext<br />

C<br />

= I SC<br />

I ph<br />

(3.136)<br />

where<br />

∫<br />

I ph = qA f(λ)dλ (3.137)<br />

λE G<br />

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