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16 December 2020
A team of European scientists have claimed a new world record for solar energy conversion efficiency with a new ‘tandem’ solar cell design that combines to different technologies to convert almost 30 per cent of sunlight into electricity.
The researchers, based at the Helmholtz-Zentrum Berlin research centre and led by professor Steve Albrecht, published the results of their work in the journal Science, saying that they are now confident that conversion efficiencies using the innovative ‘tandem’ solar cell designs above 30 per cent are now within reach.
“Tandem solar cells that pair silicon with a metal halide perovskite are a promising option for surpassing the single-cell efficiency limit. We report a monolithic perovskite/silicon tandem with a certified power conversion efficiency of 29.15%,” the research paper says.