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Tracking solar cell conversion efficiency

Keeping track of the rapidly improving solar cell performance is not as easy as it might seem. Martin Green describes the Solar Cell Efficiency Tables that have been providing 6-monthly updates of record solar cell performance since the 1990s.

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Fig. 1: Progress in solar cell energy conversion efficiency over the past 27 years compiled from the Solar Cell Efficiency Tables for various technologies (air mass 1.5 G, cell area >1 cm2).

References

  1. 1.

    Kavlak, G., McNerney, J. & Trancik, J. E. Evaluating the causes of cost reduction in photovoltaic modules. Energy Policy 123, 700 (2018).

    Article  Google Scholar 

  2. 2.

    Green, M. A. How did solar cells get so cheap? Joule 3, 631 (2019).

    Article  Google Scholar 

  3. 3.

    Green, M. A. et al. Solar Cell Efficiency Tables (Version 55). Prog. Photovolt. 28, 3 (2020).

    Article  Google Scholar 

  4. 4.

    Green, M. A. Limiting photovoltaic efficiency under new ASTM G173-based reference spectra. Prog. Photovolt. 20, 954 (2012).

    Article  Google Scholar 

  5. 5.

    Emery, K. The rating of photovoltaic performance. IEEE Trans. Electron Devices 46, 1928 (1999).

    Article  ADS  Google Scholar 

  6. 6.

    Green, M. A. & Emery, K. Solar Cell Efficiency Tables. Prog. Photovolt. 1, 25 (1993).

    Article  Google Scholar 

  7. 7.

    Green, M. A. & Emery, K. Solar Cell Efficiency Tables (Version 3). Prog. Photovolt. 2, 27 (1994).

    Article  Google Scholar 

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Correspondence to Martin A. Green.

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Photovoltaic devices Part 3: https://webstore.iec.ch/publication/61084

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Green, M.A. Tracking solar cell conversion efficiency. Nat Rev Phys 2, 172–173 (2020). https://doi.org/10.1038/s42254-020-0163-y

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