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1366 Technologies hopes to cut the cost of solar with cheaper manufacturing.
IBM researchers have greatly increased the performance of a novel thin film solar cell.
New solar cells show gains in efficiency.
Silicon sheets self-assemble into spheres to capture more light.
Dye-sensitized cells get a double boost from nanowires and optical fiber.
The low-cost cells make their debut on electronics-charging bags.
Cyrus Wadia is using abundant materials to grow nanocrystals for cheaper photovoltaics.
Thin-film silicon solar cells are more efficient with tiny holes in the back electrical contact.
Carbon nanotube photovoltaics can wring twice the charge from light.