2.1 how to transform light into electricity

11
Working Principle of a Semiconductor Based Solar Cell or How to Transform Light into Electricity Week2 Arno Smets

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Page 1: 2.1 How to Transform Light Into Electricity

Working Principleof a SemiconductorBased Solar Cell

or How to TransformLight into Electricity

Week2   Arno Smets

Page 2: 2.1 How to Transform Light Into Electricity

Semiconductor       Solar Cell

Page 3: 2.1 How to Transform Light Into Electricity

Metal

Page 4: 2.1 How to Transform Light Into Electricity

Insulator

Page 5: 2.1 How to Transform Light Into Electricity

Semiconductor

Page 6: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Page 7: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Page 8: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Page 9: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Conductionband

Bandgap

Valenceband

Page 10: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Conductionband

Bandgap Bandgap> 3 eV < 3 eV

Valenceband

Page 11: 2.1 How to Transform Light Into Electricity

Metal Insulator Semiconductor

Conductionband

> 3 eV < 3 eV

Valenceband

Thermal photon