Researchers have set a new record for harvesting energy from indoor light using next-generation perovskite solar cells .

A team led by scientists at University College London (UCL) say the breakthrough could lead to a battery-free future where devices like remote controls and headphones are powered solely by ambient light.

Perovskite has been hailed for its potential to revolutionise renewable energy due to its remarkable properties, which allow it to convert light into electricity far more efficiently than conventional silicon solar cells.

Perovskite solar cells are also low-cost and can be produced easily, however the presence of high density traps can disrupt the flow of charge and cause energy to be lost as heat.

By introducing the chemical rubidium chloride, the UCL research

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