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ISE PV developers Laura Stevens and Leonhard Böck.
Project manager Dr. Laura Stevens presents one of the III-V germanium PV modules with an efficiency of 34.2 percent. Leonhard Böck played a key role in developing the III-V silicon PV module (in front of him) with 31.3 percent efficiency. Photo: © Fraunhofer ISE / Jacob Forster.
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