p-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n...

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p-type semiconductor n-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

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Page 1: P-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

p-type semiconductor n-type semiconductor

p-n junction formation

electron

photon

electron

hole

p-n Diode Formation & Application as a PV solar cell

Page 2: P-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

p-type semiconductor n-type semiconductor

i-type semiconductor

p-i-n junction formation

electron

electron

photon

electron

hole

p-i-n Diode formation & Application as a PV solar cell

2

Page 3: P-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

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Highlights & Breakthrough–3:Current practice of making tandem solar cells have huge

disadvantages. Removal of T-J could raise efficiencies far beyond, achieved 40% efficiency (2005).

Page 4: P-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

New Designs to absorb (UV, Visible & IR) and Combine (impact ionisation & impurity PV effect) in Order to Produce

High Performance

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