A Fly’s Compound Eyes Lead to Breakthrough in Production of Solar PV Perovskites - Solar Magazine
Fundamental and applied materials research scientists working in the area of solar photovoltaics (PV) have been increasing the power and energy conversion efficiency of perovskite PV cells at a record-high rate, to a level approaching that of commercial crystalline silicon PV cells, which account for more than 90 percent of solar PV installations worldwide.
Using a mix of chemical elements they are synthesizing new types of perovskite PV cells using lithographic techniques common in microelectronics manufacturing facilities and using them to fabricate new kinds of solar PV materials that can conform to just about any type of surface -- be it clothing, accessoris, other types of consumer products, building windows or walls.
They're also taking advantage of perovskites' PV potential, low cost and ease of fabrication to create customized PV cells in different colors, both for aesthetic reasons, as well as produce electricity in different specific light conditions and environments. And they're stacking PV perovskites of various chemical compositions in order to maximize the range of sunlight frequencies that can be converted to electricity in order to boost power/energy conversion efficiencies even further.
The fragility of perovskite PV cells has been researchers' bugaboo, however. A group of researchers led by Stanford University professor Reinhold Dauskardt recently announced they were able to surmount that obstacle without sacrificing anything in the way of power/energy conversion efficiency. They found inspiration in the honeycomb, lattice structure of a fly's compound eyes...
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