PhotoDevicesAndBJT

PhotoDevicesAndBJT - PhotonicDevocesAndBJT.1 igure 14.4

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Unformatted text preview: PhotonicDevocesAndBJT.1 igure 14.4 PhotonicDevocesAndBJT.2 igure 14.5 PhotonicDevocesAndBJT.3 Figure 14.7 I-V characteristics of a pn junction solar cell. First limiting case, when R = 0 so that V = 0, PhotonicDevocesAndBJT.4 Figure 14.8 Maximum power rectangle of the solar cell I-V characteristics. PhotonicDevocesAndBJT.5 Figure 14.17 Photodiode with (a) a reverse-biased pn junction. (b) Minority carrier concentration in the reverse-biased pn junction. 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 1 1 1 , constant with diode base long a For + = + = = = PhotonicDevocesAndBJT.7 PhotonicDevocesAndBJT.8 igure 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.LEDs....
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This note was uploaded on 04/09/2010 for the course EE 537 taught by Professor Kaviani during the Spring '08 term at USC.

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PhotoDevicesAndBJT - PhotonicDevocesAndBJT.1 igure 14.4

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