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PhotoDevicesAndBJT

PhotoDevicesAndBJT - Figure 14.4 .1 Figure 14.5 .2 .3...

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PhotonicDevocesAndBJT.1 Figure 14.4
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PhotonicDevocesAndBJT.2 Figure 14.5
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PhotonicDevocesAndBJT.3 Figure 14.7 I-V characteristics of a pn junction solar cell. First limiting case, when R = 0 so that V = 0,
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PhotonicDevocesAndBJT.4 Figure 14.8 Maximum power rectangle of the solar cell I-V characteristics.
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PhotonicDevocesAndBJT.5 Figure 14.17 Photodiode with (a) a reverse-biased pn junction. (b) Minority carrier concentration in the reverse-biased pn junction.
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PhotonicDevocesAndBJT.6 Figure 14.18 Steady-state, photoinduced minority carrier concentrations and photocurrents in a reverse-biased pn junction. p n p p L p n p n n L n L L L L L p qD L qG J L n qD L qG J W qG dx G q J G 0 1 0 1 1 , constant with diode base long a For + = + = = =
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PhotonicDevocesAndBJT.7
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PhotonicDevocesAndBJT.8 Figure 14.25 Light Emitting Diode (LED) ( ) ( ) GaAs] for 30 / : [Note . absorption light less for surface the to closer is which side, - p from light more for junction pn Thus, , efficiency injection - Current LEDs. most in side - p in from mainly is ce Luminescen radiative - non generally 2
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