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You've made it! You've finally completed the beginner's section of the video series. Now, we are progressing into the more advanced portion of the video series. The first chapter of this section focuses on thin-film solar cells, also known as the 2nd generation solar cells.
Thin-film solar cells are only about a few microns thick, almost 100 times thinner than wafer type c-Si cells. This allows the option to be flexible, have lower material costs, and be more versatile in terms of integration. Due to the thinness of these solar cells, there are a few differences in terms of their physics that distinguishes them from c-Si cells:
- Higher absorption coefficient
- Full of defects, low minority carrier lifetime
- Voltage-dependent current
Further reference materials that I highly recommend:
Other parts in this series:
- Chapter 1.0: Introduction
- Chapter 2.0: Semiconductor Physics (Band Diagram, Free Carriers)
- Chapter 3.0: PN Junction diode (Drift and Diffusion)
- Chapter 4.0: Photons
- Chapter 5.0: How do Solar Cells Work? (Working Principle, IV Curve, Photovoltaic Parameters, Solar Cell Datasheet)
- Chapter 6.0: How are solar panels made? (From quartz to silicon wafers)
- Chapter 7.0: PV Systems and Costing 101