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Oxford scientists are generating solar power without panels (electrek.co)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 6 points 3 months ago* (last edited 3 months ago)

You're misrepresenting what they say:

During just five years of experimenting with our stacking or multi-junction approach, we have raised power conversion efficiency from around 6% to over 27%, close to the limits of what single-layer photovoltaics can achieve today.

We believe that, over time, this approach could enable the photovoltaic devices to achieve far greater efficiencies, exceeding 45%.

"6% to over 27%" isn't the range of what they can achieve now. 6% efficiency was where the technology was at 5 years ago, and now they get 27%.