Theoretical and Experimental Study of the Photovoltaic Effect In Thin Films
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Date
1985-06
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Addis Ababa
Abstract
In the pres ent 8tud~ tho th eory o f ph ot ovo ltaic , n, rgy
conv ersi on is pres ented. 8 ~ 8ic f actors affecting oonversion
capability of phot ovolt ai c devic es aro di8CU 8 8 ~d . Goner l
f ormula of the minority carri er distribution and current
density across p-n junctions are r e vis ed and fu rther deu,loped
t o arrive ~t the over all c ollection effi ienoy expre ssion which
is valid f or any thin f ilm phot ovo ltaic c e lls. POCU8S is put on
the main s o lar cell p ~ r a m 6 t e r 8 like conversion e fficienc y and
spectral response .
To thB end some exper imental works on a sing!,
orystal solar cell (FD-K) a r ~ made. EMphasis is put on
establishing circuits capable of measuring various Bolar cell
parameters r anging f r om Si - eingLe ~YDt a L c~LL o f tow efficiGncy.
The resuLts of tho measur ement ar e prasanted in tho fo rm of
tabL es and graphs . Conclusions ara also ~a d e on thG results
obtained.
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Keywords
Theoretical , Experimental Study