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The first prototype cell to use photonic crystals looks promising.
Nanoporous silicon that soaks up ions without self-destructing can make better batteries.
A novel process yields big pieces of single-ply graphene for smaller, faster electronics.
A silicon coating could boost the efficiency of solar cells.
A new type of silicon promises cheaper, more-sensitive light detectors.
Thin but efficient solar cells use one-tenth the silicon of conventional cells.
New materials for high-performance cells could make solar power affordable.
A new solar panel could lower costs and improve efficiency.
Replacing sapphire with silicon could lead to more-affordable LEDs.