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Sunlight split in two: Organic layer promises leap in solar power efficiency

Bright futures: New findings advance solar efficiency
The researchers used equipment to interrogate the behaviour of light and other energy, at ultra-fast speeds. Credit: Richard Freeman / UNSW Sydney

In the race to make solar energy cheaper and more efficient, a team of UNSW Sydney scientists and engineers have found a way to push past one of the biggest limits in renewable technology.

Singlet fission is a process where a single particle of light—a photon—can be split into two packets of energy, effectively doubling the electrical output when applied to technologies harnessing the sun.

In a study appearing in ACS Energy Letters , the UNSW team—known as “Omega Silicon”—showed how this works on an organic material that could one day be mass-produced specifically for use with solar panels.

“A lot of the energy from light in...

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