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Zheng, L. Power Conversion Efficiency. Encyclopedia. Available online: https://encyclopedia.pub/entry/59988 (accessed on 24 September 2026).
Zheng L. Power Conversion Efficiency. Encyclopedia. Available at: https://encyclopedia.pub/entry/59988. Accessed September 24, 2026.
Zheng, Lionel. "Power Conversion Efficiency" Encyclopedia, https://encyclopedia.pub/entry/59988 (accessed September 24, 2026).
Zheng, L. (2026, September 11). Power Conversion Efficiency. In Encyclopedia. https://encyclopedia.pub/entry/59988
Zheng, Lionel. "Power Conversion Efficiency." Encyclopedia. Web. 11 September, 2026.
Power Conversion Efficiency
Edit

Power conversion efficiency (commonly abbreviated as PCE) is a fundamental dimensionless photovoltaic performance metric defined as the ratio between the maximum electrical output power generated by a photovoltaic device and the incident optical input power striking the active device area under well‑defined illumination, temperature, and spectral test conditions [1][2]. It quantifies the fractional capability of a solar‑cell device to transform incoming radiant solar energy into usable direct‑current electrical power, conventionally reported as a percentage value [3]. This parameter is dependent on intrinsic material optoelectronic characteristics, device layer architecture, and external operating conditions including irradiance magnitude, ambient temperature, and incident light spectrum [4][5]. Power conversion efficiency is mathematically derived from three core device figures‑of‑merit: open‑circuit voltage, short‑circuit current density, and fill factor, and it serves as the primary comparative benchmark for evaluating and classifying different photovoltaic absorber materials and solar‑cell configurations [6].

Open‑circuit voltage Short‑circuit current density Perovskite solar cell Standard test conditions

References

  1. Green, M.A., Hishikawa, Y., Dunlop, E.D., Levi, D.H., Hohl-Ebinger, J., Yoshita, M., Ho-Baillie, A.W.Y. Solar cell efficiency tables (Version 53). Progress in Photovoltaics: Research and Applications 2019, 27, 3–12. [CrossRef]
  2. ISO 15387:2005, Space systems — Single‑junction solar cells — Measurement procedures, 2005, https://www.iso.org/standard/36464.html.
  3. Vivek Bhojak; Praveen Kumar Jain; Theoretical Analysis of Power Conversion Efficiency of Lead-Free Double-Perovskite Cs2TiBr6 Solar Cells with Different Hole Transport Layers. Eng 2025, 6, 28. [CrossRef]
  4. Marc Al Atem; Yahia Makableh; Towards Sustainable Perovskite Solar Cells: Lead-Free High Efficiency Designs with Tin and Germanium. Eng 2025, 6, 38. [CrossRef]
  5. Marc Al Atem; Yahia Makableh; Mohamad Arnaout; Analytical Solutions for Current–Voltage Properties of PSCs and Equivalent Circuit Approximation. Eng 2025, 6, 62. [CrossRef]
  6. Naveen Kumar Elumalai; Arafat Mahmud; Dian Wang; Ashraf Uddin; Perovskite Solar Cells: Progress and Advancements. Energies 2016, 9, 861. [CrossRef]
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Subjects: Energy & Fuels; Engineering, Mechanical
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Eng Editorial Office
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Entry Collection: Eng
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Update Date: 14 Sep 2026
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