Transcription of 태양전지공학 - contents.kocw.net
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Chapter 2 x SemiconductorPhotonfluxinPhotonfluxoutIo I(x)I(x)-dIdxxSemiconductorPhotonfluxinP hotonfluxoutIoI(x)I(x)-dIdxx Chapter 2 (Intensity) Io , I(x) x , I [ ] x x . (absorption coefficient)xIIdad-=xIIdda-=)exp()(0xIxI a-= Chapter 2 103cm-1 104cm-1 70%, 50%, 10%, . 103cm-1 104cm-1 , x .)exp()(0xIxIa-=0)(n11 IxIx -= m69 m46 m1% m23 m10% m50% m70%x( 104cm-1)x( 103cm-1)I(x)/Io 104cm-1 m ,, 103cm-1 69 m .. Chapter 2 Chapter 2 + (eV) (nm)1s (2 )2s (2 )3s (2 )2p (6 )3p (2 )KLMKLM ( )+ (eV) (nm)1s (2 )2s (2 )3s (2 )2p (6 )3p (2 )KLMKLM ( ) Chapter 2 (energy band) Chapter 2 Chapter 2.
예제 태양전지에사용되는실리콘의흡수계수가103cm-1인경우와104cm-1 때에초기입사한빛이70%, 50%, 10%, 0.1%로감소하는두께를구하 시오.
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