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ANU Researchers Have Broken a New Record in Solar Cell Energy Efficiency

Australian National University (ANU) researchers have broken a new record in solar cell energy efficiency and within the course of offered a sight of the future’s technology.

The researchers have established a new record of 21.6 % efficiency, the best ever accomplished for perovskite cells above a specific size.

This means 21.6 % of the sunlight hitting the cells is converted into energy.

Associate Professor Thomas White mentions as a comparison, typical solar panels being installed on rooftops right now have efficiencies of 17-18 %.

“There are three things you’re trying to realize with solar cells, you are making an attempt to make them efficient, stable and low cost,” he mentioned. “Perovskites are the way forward for solar cells.”

“With perovskites, the effectivity is now aggressive, and value is one of the significant selling factors. The actual challenge now could be making them stable enough for use on a rooftop, for example, where they have to have the ability to last 25 to 30 years in extreme temperatures.

“Finally, the goal is to mix these perovskites with silicon in a tandem solar cell. Putting the two materials collectively can potentially give us higher efficiencies than both one alone.”

Associate Professor White and his staff have been working to enhance perovskite solar cells for years.

Perovskite supplies combine extensive and low-cost chemical components with carbon, hydrogen, nitrogen, iodine, and lead.

The CSIRO Photovoltaics Performance Lab had independently verified the staff’s results, the one laboratory within the Southern Hemisphere commissioned to certify solar cell efficiencies to international standards.

This research was completed with the help of Australian Renewable Energy Agency funding.

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