Despite being riddled with impurities and defects, solution-processed lead-halide perovskites are surprisingly efficient at converting solar energy into electricity. Their efficiency is approaching ...

Add Yahoo as a preferred source to see more of our stories on Google. Examining a lead-halide perovskite crystal in the lab using optical methods. The sample (center right) glows green. (CREDIT: ISTA) ...

Imagine two homes on the same street, with the same-sized roofs, both fitted with solar panels. Yet one home consistently generates more electricity than the other. The difference comes down to solar ...

Two homes can have the same number of solar panels and similar roof space, yet produce very different amounts of electricity. One of the main reasons is solar panel efficiency – the measure of how ...

For decades, the concept of “primary energy” has dominated discussions about global energy systems, shaping how we measure and compare different energy sources. However, this metric often fails to ...

Matt Johnson, left, an HVAC technician, and Ben Sevigny, a thermal installer, both with ReVision Energy, a New England company specializing in solar energy and electric heat pump installations, work ...