Energy & Green Tech

Next-generation solar cells reach 24% efficiency

A German research team has developed a tandem solar cell that reaches 24 percent efficiency—measured according to the fraction of photons converted into electricity (i.e., electrons). This sets a new world record as the ...

Energy & Green Tech

New type of solar cell is being tested in space

Physics researchers at Lund University in Sweden recently succeeded in constructing small solar radiation-collecting antennas—nanowires—using three different materials that are a better match for the solar spectrum compared ...

Engineering

Researchers 'shift the sun' to improve solar cells

Solar cells are a key feature of creating a sustainable energy ecosystem for the future. Existing solar arrays and cells can produce clean energy from the most abundant source in nature. But increasing their efficiencies ...

Energy & Green Tech

Nanoparticles give solar panels a green color

Researchers from AMOLF, the University of Amsterdam (UvA) and the Energy research Centre of the Netherlands (ECN) have developed a technology to create efficient bright green colored solar panels. Arrays of silicon nanoparticles ...

Energy & Green Tech

Researchers improve efficiency of low-cost solar cells

With global energy-related carbon dioxide emissions reaching an all-time high in 2021, the need for clean energy is more pressing than ever. One such alternative to fossil fuels is solar energy. Solar cells have been developed ...