New Technology in Solar
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Silicon solar cells generate electricity from the sun, and are an established technology, but they take a lot of energy to produce, are rigid and can be fragile.
However, a new class of solar cells made from Perovskite, which is a crystal structure made with inorganic and organic components. Named after Lev Perovski, a Russian mineral expert of the 17th and 18th centuries this new technology is matching the performance of silicon solar cells, and what’s more, it can now be printed out using special inks and wrapped flexibly around uneven surfaces.
This type of solar cell includes a perovskite-structured compound, most commonly a hybrid organic–inorganic lead or tin halide-based material as the light-harvesting active layer.
There was an excellent article in The Conversation that explains in detail how they work.
Published: May 3, 2023
The raw materials used and the possible fabrication methods (such as various printing techniques) are at low cost. Their high absorption coefficient enables ultrathin films of around 500nm to absorb the complete visible solar spectrum. These features combined result in the ability to create low cost, high efficiency, thin, lightweight, and flexible solar modules.
Lastly, perovskite cells are characterized by wide absorption ranges and high absorption coefficients, which further increase the power efficiency of the solar cell by increasing the range of photon energies that are absorbed.
What all this means is, better solar technology at a lower cost, using less resources.