Engineers develop eco-friendly panels that switch from transparent to opaque

New ultra-thin coating responds to heat and cold

Berkeley Lab researchers make thermochromic windows with perovskite solar cell

Engineered quantum dots could bring down the cost of solar electricity

House and car windows that stay cool in the summer, warm in the winter

Discovery could lower cost and expand possibilities for building-integrated solar energy collection

Such smart windows are aimed at saving on cooling and heating bills for homes and businesses