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In acquiring Innovalight, DuPont will expand its solar business and develop new ways to make solar cells.
N-type and p-type semiconductor nanocrystals could pave the way for new types of solar cells.
A semiconductor material could make solar cells three times as efficient.
Active metamaterials might be used in solar cells that change properties with the weather.
1366 Technologies hopes to cut the cost of solar with cheaper manufacturing.
Dye-sensitized cells get a double boost from nanowires and optical fiber.
Carbon nanotube photovoltaics can wring twice the charge from light.
A veteran venture capitalist’s new energy.
A pilot plant at a winery not only generates electricity, it heats the water.
Solar-cell manufacturing techniques could yield LEDs that require 20 percent less energy.