NewsSolar cells: Losses made visible on the nanoscale

17th March 2021by admin0
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Solar cells made of crystalline silicon achieve peak
efficiencies, especially in combination with selective contacts
made of amorphous silicon (a-Si:H). However, their efficiency is
limited by losses in these contact layers. Now, for the first time,
a team at Helmholtz-Zentrum Berlin (HZB) and the University of
Utah, USA, has experimentally shown how such contact layers
generate loss currents on the nanometre scale and what their
physical origin is.

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      The New Fusion technology is based on a phenomenon called triplet-triplet annihilation (TTA) which is a process in which two triplet excitons annihilate and produce a higher energy singlet exciton.

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