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02:14

Insight into loss processes in perovskite solar cells enables efficiency improvements

Berlin, Germany (SPX) Aug 07, 2018
Even solar cells made of a perfect miracle material would never be able to convert 100 % of sunlight to electrical energy. This is because the theoretical maximum achievable power is limited by the position of the energy bands of the electrons, and by unavoidable radiation of photons (the thermodynamic or Shockley-Queisser limit). Maximum power conversion efficiency for silicon is about 33 %, fo

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