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Solar cells

Solar cells

Thinner solar cells are more robust to space radiation

20 Dec 2022 Isabelle Dumé
Photo of ultrathin on-chip solar cells fabricated from a stack of semiconducting materials. The cells are coloured as green squares and include an ultrathin layer of light-absorbing GaAs, which is key to their radiation tolerance
Photo of ultrathin on-chip solar cells. (Courtesy: Armin Barthel)
A new ultrathin photovoltaic cell could be used as a power source for satellites in regions of space

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Isabelle Dumé is a contributing editor to Physics World
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