Perovskite/silicon tandem solar cells are contenders for the next-generation photovoltaic technology, with the potential to deliver module efficiency gains at minimal cost. (Credit: Dennis Schroeder / NREL)
The future’s getting brighter for solar power. Researchers from CU Boulder have created a low-cost solar cell with one of the highest power-conversion efficiencies to date, by layering cells and using a unique combination of elements.
“We took a product that is responsible for a $30 billion a year industry and made it 30% better,” said Michael McGehee, a professor in the Department of Chemical and Biological Engineering and co-author of a paper, published now in Science, which describes the technology. “That’s a big deal.”
The researchers took a perovskite solar cell, a crystal structure that’s designed to harvest higher energy photons, and layered it on top of a silicon solar cell, which captures more photons in the infrared part of the spectrum—which is made up of radiant energy that we cannot see, but we can feel as heat. Combined, the perovskite raises a 21% silicon solar cell up to an efficiency of 27%—increasing it by a third.
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- LONGi reaches 27.03% efficiency on HJT solar cells in lab
LONGi has broken another world-record for silicon solar cell efficiency. As certified by Germany's Institute for Solar Energy Research Hamelin (ISFH), new ...
- LONGi Sets New World-Record for Silicon Solar Cell Efficiency, Launching 2nd Generation Ultra-Efficient BC-Based Module
Innovative solar panel manufacturer announces a new record in silicon heterojunction back-contact solar cell efficiency of 27.30%, cementing its leadership in the global solar energy industry. - LONGi ...
- UCSB pioneers a low-energy process for high-performance solar cells
Researchers at UC Santa Barbara developed a way to make perovskite films at room temperature. This material has emerged as a promising alternative to conventional, silicon solar cells.
- NREL interactive chart of solar cell efficiency now including ‘hybrid tandems’
The new cell category includes perovskite/silicon, perovskite/CIGS, III-V/silicon and perovskite/organic tandem PV devices. It will list the absolute record efficiency for all-perovskite, two-terminal ...
- Can perovskite solar cells outshine silicon and revolutionize solar energy?
For decades, the familiar blue rectangles of silicon solar panels have dominated rooftops across the globe with the increasing adoption of solar energy. While these panels have become a reliable ...
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- LONGi reaches 27.03% efficiency on HJT solar cells in lab
LONGi has broken another world-record for silicon solar cell efficiency. As certified by Germany's Institute for Solar Energy Research Hamelin (ISFH), new ...
- LONGi Sets New World-Record for Silicon Solar Cell Efficiency, Launching 2nd Generation Ultra-Efficient BC-Based Module
LONGi Green Energy Technology Co. announces that the company has broken another world-record for silicon solar cell efficiency only 4 ...
- NREL interactive chart of solar cell efficiency now including ‘hybrid tandems’
The new cell category includes perovskite/silicon, perovskite/CIGS, III-V/silicon and perovskite/organic tandem PV devices. It will list the absolute record efficiency for all-perovskite, two-terminal ...
- Can perovskite solar cells outshine silicon and revolutionize solar energy?
Perovskite, a revolutionary material, promises to surpass silicon efficiency and usher in a new era of affordable, sustainable solar energy.
- Light, flexible, efficient: Perovskite-based tandem solar cells
Today, more and more Swiss roofs boast large black and blue rectangles that convert sunlight into electricity. The blueish color comes from silicon crystals, as the majority of solar cells available ...
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