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Quantum dots bring practical solar-harvesting windows a step closer

The solar panels people are most familiar with are the dark, photovoltaic cells often seen on roofs, but strides have been made in the last few years to develop transparent versions that could eventually be fitted into windows and other glass surfaces. Known as luminescent solar concentrators, these devices so far haven't proven as efficient or scalable as regular panels, but now a team at Los Alamos National Laboratory has demonstrated a new technique that could make for larger, more practical solar energy-harvesting windows.
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