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Aussie researchers hit 26.4% efficiency for perovskite-silicon solar cell

Professor Kylie Catchpole and The Duong. Image: Stuart Hay, ANU.

April 7 (Renewables Now) - A team of researchers at The Australian National University (ANU) have reached a new record efficiency of more than 26% for low-cost semi-transparent perovskite solar cells, the university said this week.  

The efficiency of 26.4% was achieved by mechanically combining perovskite with silicon solar cells.

"This breakthrough opens the way to increasing the efficiency of silicon solar cells further, and in a cheap way," said professor Kylie Catchpole from the ANU Research School of Engineering. The perovskite cells, however, are not yet ready for being installed on rooftops. "The key challenge for now is achieving the same stability as we have with silicon solar cells that can be put out on a roof for 20 years using perovskite," Catchpole added.

The scientists aim to increase efficiencies to 30% and more over the next few years.

The research by the team led by The Duong from the ANU Research School of Engineering has been published in Advanced Energy Materials. It is part of the "High-efficiency silicon/perovskite solar cells" project, which is led by University of New South Wales and is supported by AUD 3.6 million (USD 2.7m/EUR 2.6m) in funding from the Australian Renewable Energy Agency (ARENA).

(AUD 1.0 = USD 0.754/EUR 0.707)

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Plamena has been a UK-focused reporter for many years. As part of the Renewables Now team she is taking a keen interest in policy moves.

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