Panel The Planet

Finding reliable, eco-friendly power sources is crucial as our world grapples with increasing energy needs and the urgent call to combat climate change. Solar energy offers one solution, with scientists devising ever more efficient materials for capturing sunlight.

Perovskite solar cells have emerged as a promising alternative to conventional, silicon solar cells, boasting a number of advantages. But processing the material has been a complicated affair. Now, researchers at UC Santa Barbara have developed a method to make high-quality perovskite films at room temperature. The team’s innovation not only simplified the production process but also increased the material’s efficiency from under 20% to 24.4%. The details appear in the journal Joule.

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Source: UC Santa Barbara

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Using enhanced halide perovskite in place of silicon could produce less expensive devices that stand up better to light, heat.

Amid all of the efforts to convert the nation’s energy supply to renewable sources, solar power still accounts for a little less than 3% of electricity generated in the U.S. In part, that’s because of the relatively high cost to produce solar cells.

One way to lower the cost of production would be to develop solar cells that use less-expensive materials than today’s silicon-based models. To achieve that, some engineers have zeroed in on halide perovskite, a type of human-made material with repeating crystals shaped like cubes.

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Source: Sci Tech Daily

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