New solar cell technique could more than double efficiency.
A joint Australian/German research team have developed a way to boost efficiency of solar cells up to a record breaking 40% efficiency. Current panels have around 12-17% efficiency.
Called photochemical upconversion, the process captures energy that is normally lost in solar cells.

"We are able to boost efficiency by forcing two energy-poor red photons in the cell to join and make one energy-rich yellow photon that can capture light, which is then turned into electricity," Associate Professor Schmidt said.
"We now have a benchmark for the performance of an upconverting solar cell. We need to improve this several times, but the pathway is now clear."

New solar cell technique could more than double efficiency.

A joint Australian/German research team have developed a way to boost efficiency of solar cells up to a record breaking 40% efficiency. Current panels have around 12-17% efficiency.

Called photochemical upconversion, the process captures energy that is normally lost in solar cells.

"We are able to boost efficiency by forcing two energy-poor red photons in the cell to join and make one energy-rich yellow photon that can capture light, which is then turned into electricity," Associate Professor Schmidt said.

"We now have a benchmark for the performance of an upconverting solar cell. We need to improve this several times, but the pathway is now clear."

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