An easy one-step technique could speed up commercialization of perovskite solar cells made from inexpensive, abundant materials. It promises to be cheaper and more efficient than the usual silicon. The new manufacturing technique allows large areas to be quickly spray-coated with perovskite solar modules in open air. Made at speeds of up to 10 meters a minute, that’s about four times faster than it takes to manufacture a silicon device. With an impressive efficiency of 18%, the new manufacturing method appears to have the lowest cost of any solar technology. At about 25 cents per square foot, it’s a tenth of the cost to produce a typical silicon module.
Source: Nicholas Rolston et al. Rapid Open-Air Fabrication of Perovskite Solar Modules. Joule, 2020.
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