Researchers have passed the 30 per cent efficiency barrier with silicon solar cells for the first time by combining them with the so-called “miracle material” perovskite.
A team from various universities and institutes in the Netherlands made the breakthrough with a tandem solar cell that compliments traditional silicon-based cells – which have an energy conversion efficiency of around 22 per cent – with the widely-acclaimed properties of perovskite.
The researchers said that achieving greater than 30 per cent efficiency with the four-terminal tandem device marked “a big step in accelerating the energy transition” and would improve energy security by reducing fossil fuel dependency.
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“This type of solar cell features a highly transparent back contact that allows over 93 per cent of the near infrared light to reach the bottom device,” said Dr Mehrdad Najafi from the Netherlands Organisation for Applied Scientific Research (TNO).
Read more: Independent
