Energy & Green Tech

Researchers outline path forward for tandem solar cells

As the old saying goes, two heads are better than one. The same is true when it comes to solar cells working in tandem. Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) have prepared ...

Energy & Green Tech

New insights lead to better next-gen solar cells

For Michael Saliba and Mahdi Malekshahi, it was one of those moments in science when good experimental results raised more questions. The University of Stuttgart researchers recently developed a new process to make solar ...

Engineering

Light, flexible, efficient: Perovskite-based tandem solar cells

Roof tiles are becoming a thing of the past: Today, more and more Swiss roofs boast large black and blue rectangles that convert sunlight into electricity. The blueish color comes from silicon crystals, as the majority of ...