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Sun June 13 2021

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Oxford PV claims ‘breakthrough’ in solar glass

11 Jun 13 Windows that generate solar energy have come a crucial step closer, according to Oxford Photovoltaics (Oxford PV), a development firm spun out of an Oxford University research programme.

The firm has established a new high of 15.4% efficiency for its perovskite solar cells, which it says is “a significant step forward in the scale-up and commercialisation” of its new photovoltaic technology.

Oxford PV has exclusively licensed and is developing a photovoltaic technology that has the potential to deliver low cost, efficient solar cells that can be readily incorporated into glass building facades, it says.

The new test results have been achieved without using mesoporous titanium dioxide (TiO2) as a semiconductor, making for a more efficient conversion of energy with enhanced stability. This improvement, allied to the large area manufacturing process development and the use of abundant and extremely low-cost materials, is enabling Oxford PV to overcome the challenges of reliability, performance and cost often associated with PV solutions.

“Our plan was to continuously optimise our perovskite solar cells towards a goal of more than 20% efficiency but these results are ahead of expectations. I see no reason why we can’t aim higher now and accelerate the transfer of our technology into production,” said company founder and chief scientific officer Dr Henry Snaith.

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