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Monocrystalline Silico n Solar Cells June 21, 2022 Chapter VII

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Page 1: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Monocrystalline Silicon Solar Cells

April 21, 2023

Chapter VII

Page 2: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Principles of Cell Design

Page 3: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 4: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Material Selections

Page 5: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

General Design Features

Page 6: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Silicon Material Properties

Page 7: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

400 nm

Page 8: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Doping Effects

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Page 9: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Recombination –doping affects carrier life time

Page 10: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 11: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Life Time of Carriers

Page 12: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 13: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Surface Recombination

Page 14: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Effect of doping on mobility and diffusion constant and resistivity

Page 15: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 16: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 17: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 18: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

AR: n~2, thickness: 80~100 nm;

Ta2O5, TiO2, Si3N4

Page 19: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Optimization of Solar Cell

Page 20: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Optimization of Solar Cell

Page 21: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 22: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 23: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Strategies to enhance absorption

Page 24: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Strategies to enhance absorption

Page 25: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Strategies to reduce surface recombination

Page 26: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 27: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 28: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 29: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 30: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

xj

Xj-Xj+

Page 31: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 32: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 33: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Strategies to reduce series resistance

Page 34: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 35: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII
Page 36: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

PV cell efficiency = 22%

Page 37: Monocrystalline Silicon Solar Cells June 10, 2015 Chapter VII

Passivated Emitter Rear Locally (PERL) diffused solar cell with cell efficiency of 24.4%