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First Solar’s thin-film technology is now challenging silicon panels at large-scale solar-power facilities.
On the surface of a new photovoltaic prototype, microscopic nanotube towers perform best when they catch light on their sides.
The new design could lead to cheaper solar cells.
A Caltech group has created materials that could improve the efficiency of solar cells.
Silicon shortages drove up prices, but supplies are now increasing.
By borrowing a trick from optical-fiber technology, a startup makes cells that trap light to create more electricity.
Special sheets for bendable displays will soon hit the market.
A new way to convert heat into electricity could lead to more efficient solar power.