Scientists announce solar panel breakthrough that could take the tech past a significant threshold — silver-based electrode pushes efficiency towards 43%
Solar power continues to be used more widely, and the science behind the technology is developing too: researchers from the Institut de Ciencies Fotoniques (ICFO) in Barcelona, Spain have just announced a breakthrough in solar cell engineering that could push efficiency rates beyond the standard 33% ceiling.
When the solar panels of today convert sunlight to electricity, most of the energy is lost along the way, through heat and light — one way to think about it is as the 'cost' of conversion. A physics theory known as the Shockley-Queisser limit predicts that we'll only ever be able to hit a 33% conversion rate in standard single-layer solar cells.
However, scientists like the team at ICFO are hard at work trying to break the Shockley-Queisser rules. In this particular study, the focus is on the faint infrared glow that solar cells give off: it's technically called the Boltzmann loss,...
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