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Photovoltaics - Diverse Technology
https://www.eeremultimedia.energy.gov/solar/videos/photovoltaics_diverse_technology

Jamie Kurtz, U.S. Department of Energy/Energy Efficiency and Renewable Energy

This video reviews how photovoltaic (PV) cells work, noting that technological innovations are decreasing costs and allowing PV use to expand.

Video length: 4:26 min.

Discuss this Resource»
Learn more about Teaching Climate Literacy and Energy Awareness»

Energy Literacy

Humans transfer and transform energy from the environment into forms useful for human endeavors.
Other materials addressing:
4.1 Humans transfer and transform energy.
Electricity is usually generated in one of two ways.
Other materials addressing:
4.5 Electricity generation.
Other materials addressing:
Various sources of energy are used to power human activities .

Benchmarks for Science Literacy
Learn more about the Benchmarks

Energy from the sun (and the wind and water energy derived from it) is available indefinitely. Because the transfer of energy from these resources is weak and variable, systems are needed to collect and concentrate the energy.
Explore the map of concepts related to this benchmark
When selecting fuels, it is important to consider the relative advantages and disadvantages of each fuel.
Explore the map of concepts related to this benchmark

Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Use video to help students understand the science engineering and technology behind Photovoltaic (PV) energy generation.
  • The teacher should spend a bit of time discussing the concepts of band gap, electron hole pair, semiconductor materials, electromagnetic spectrum, and efficiency.

About the Science

  • Innovations, from using materials that lower manufacturing costs to expanding application and use, are driving the photovoltaic (PV) industry forward.
  • A brief PV history demonstrates the materials innovation and evolution from high cost silicon to less expensive multi-silicon and thin film.
  • Passed initial science review - expert science review pending.

About the Pedagogy

  • This video demonstrates how science, technology, and engineering are working together to innovate PV electricity generation.
  • Good resource for student research especially in conjunction with the other resources at https://www.eeremultimedia.energy.gov/solar/

Technical Details/Ease of Use

  • Excellent video and audio quality.
  • The video is closed captioned.

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