pn -junctonJ under dark conditons No Bias Forward Bias Reverse Bias - PowerPoint PPT Presentation

2.626/2.627 Lecture 5 (9/22/2011) pn -junctonJ under dark conditons No Bias Forward Bias Reverse Bias Model - + Circuit P N P N P N - + - + E E E p-type n-type p-type n-type p-type n-type Band Diagram x x x e - difusion: e - difusion: e - difusion: e - drif: e - drif: e - drif: I I I I-V Curve V V V 1

2.626/2.627 Lecture 6 (9/27/2011) pn -junctonJ illuminated No Bias Forward Bias Reverse Bias Model - + Circuit P N P N P N - + - + E E E p-type n-type p-type n-type p-type n-type Band Diagram x x x - difusion: - difusion: - difusion: e e e - drif: - drif: - drif: e e e ill. current: ill. current: ill. current: I I I I-V Curve V V V 2

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