Oxford University scientists have developed an ultra-thin coating that turns everyday objects into solar panels. This light-absorbing material boasts a thin and flexible design that can be applied to the surface of almost any building or common object.
A groundbreaking technique developed by Oxford allowed them to stack multiple light-absorbing layers into one solar cell, thus harnessing a wider range of the light spectrum and allowing more power to be generated from the same amount of sunlight. These perovskite coatings may be applied to broader types of surface to generate cheap solar power, including the roof of cars / buildings and even smartphones.
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During just five years 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%,” said Dr Shuaifeng Hu, Post Doctoral Fellow at Oxford University Physics.
