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Thin but efficient solar cells use one-tenth the silicon of conventional cells.
A new way to concentrate sunlight could make solar power competitive with fossil fuels.
Silicon shortages drove up prices, but supplies are now increasing.
A technology developed by IBM to cool computer chips could be a boon for solar energy.
Sunrgi claims that its concentrated photovoltaic system outshines the competition.
Researchers are working on solar cells that use a novel organic dye.
Placing tiny spheres of silicon in reflective trays could be the key to cheap, efficient solar cells.
Photovoltaics made of nanowires could lead to cheaper solar panels.
Startup Heliovolt could help bring high-performance thin-film solar cells to market.