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The first MOOC “Photovoltaic solar energy” is a general presentation of the solar photovoltaics technologies in the global energetic context, without extensive details. In particular the description of the solar cell operation is restricted to the ideal case 
In contrast this second MOOC allows a deep understanding of the properties of solar cells based on crystalline semiconductors. It consists in a general presentation of the physics of the photovoltaics devices with a particular emphasize on the silicon technology that currently represents more than 90% share of the market. Photovoltaic applications of III-V semiconductors are also mentioned. 
Indeed from a fundamental point of view, a solar cell can be considered as a semiconductor device (a diode) exposed to the sunlight. An introduction to the semiconductor physics is given, followed by the electron transport phenomena in a diode device. A detailed description of the solar cell operation is then provided, including the conversion efficiency limitations. A description of the solar spectrum and the optical properties of the cells are also presented. Finally the crystalline silicon technology is described from the bulk crystalline growth up to the preparation of heterojunctions combining crystalline and amorphous materials.

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강의 계획 - 이 강좌에서 배울 내용

주

1

주 1

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INTRODUCTION TO SEMICONDUCTOR PHYSICS

Introduction to semiconductor physics : band structure of crystalline semiconducors, optical absorption and doping.

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11개 동영상 (총 75분)

11개의 동영상

1. Introduction7m

2. Band structure6m

3. Band structure (cont.)7m

4. Optical absorption9m

5. Intrinsic semiconductors8m

6. Semiconductor doping7m

7. Carrier densities at thermal equilibrium9m

Worked Problem - Carrier Densities at Equilibrium5m

Appendix 15m

Appendix 23m

Appendix 33m

3개 연습문제

Band Structure8m

Doping8m

Test: Semiconductor Physics20m

주

2

주 2

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TRANSPORT PHENOMENA : THE p-n JUNCTION

Transport phenomena in semiconductors : carrier injection by light and recombination; the equilibrium and non-equilibrium p-n junction; the photovoltaic effect

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9개 동영상 (총 70분)

9개의 동영상

1. Transport phenomena11m

2. Carrier injection by light. Recombination8m

3. The equilibrium p - n junction9m

4. The non-equilibrium p - n junction11m

Appendix 14m

Appendix 26m

Appendix 36m

Appendix 45m

Worked Problem - Implied Open Circuit Voltage6m

3개 연습문제

Impurities in Semiconductors6m

p-n Junction8m

Test - Quasi-Equilibrium20m

주

3

주 3

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ASYMMETRICAL DEVICES

Metal-semiconductor contacts and semiconductor surface; Heterojunctions

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5개 동영상 (총 38분)

5개의 동영상

1. The metal-semiconductor contact at equilibrium9m

2. Non-equilibrium metal-semiconductor contact5m

3. Ohmic contacts5m

4. The semiconductor surface - Heterojunctions10m

Worked Problem - Semiconductor Heterojunctions7m

2개 연습문제

Metal-Semiconductor Contact8m

Test - Asymmetrical Junctions20m

주

4

주 4

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SOLAR CELL OPERATION

Solar Spectrum; solar cell Fundamentals; limitations of conversion efficiency; solar modules

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10개 동영상 (총 68분)

10개의 동영상

1. Solar radiation7m

2. Solar spectrum8m

Worked Problem - Total Irradiance7m

3. Solar cell fundamentals8m

Worked Problem - The I-V Characteristic5m

4. Multi-junctions - Conversion efficiency limitations7m

5. Solar cell optics10m

Worked Problem - Solar Cell under Concentration5m

6. From cell to module4m

Appendix 12m

3개 연습문제

Solar Spectrum8m

Conversion Efficiency10m

Solar Cell Optics8m

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Physics of silicon solar cells