perovskite

noun
pe·rov·skite | \ pə-ˈräv-ˌskīt , -ˈräf- \

Definition of perovskite 

: a yellow, brown, or grayish-black mineral consisting of an oxide of calcium and titanium and sometimes containing rare earth elements

Examples of perovskite in a Sentence

Recent Examples on the Web

The theoretical maximum efficiency of perovskites tops 40%. Time, "Inside the New Technology That Could Transform the Solar Power Industry," 4 June 2018 Lunt says future systems that yoke UV-capturing perovskites to infrared-capturing organics could reach efficiencies of 20%, while still being nearly entirely transparent. Robert F. Service, Science | AAAS, "Skyscrapers could soon generate their own power, thanks to see-through solar cells," 28 June 2018 Meanwhile, a new class of opaque solar cell materials, called perovskites, are closing in on silicon with top efficiencies of 22%. Robert F. Service, Science | AAAS, "Skyscrapers could soon generate their own power, thanks to see-through solar cells," 28 June 2018 Not only are the perovskites cheaper than silicon, they can also be tuned to absorb specific frequencies of light by tweaking their chemical recipe. Robert F. Service, Science | AAAS, "Skyscrapers could soon generate their own power, thanks to see-through solar cells," 28 June 2018 Ultimately, perovskites may not be a solution that transforms solar energy. Time, "Inside the New Technology That Could Transform the Solar Power Industry," 4 June 2018 Even so, enough scientists were intrigued by the possibilities of perovskite to investigate further. Scientific American, "The Perovskite Boom," 13 Feb. 2018 Calcium silicate perovskite isn't the first geological find to be hidden in diamonds. Sarah Gibbens, National Geographic, "Never-Before-Seen Mineral Found Inside a 'Super Deep' Diamond," 8 Mar. 2018 Saule, meanwhile, is using inkjet printing to produce its own perovskite cells on thin plastic sheets. The Economist, "Solar energyA new type of solar cell is coming to market," 3 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perovskite.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of perovskite

1840, in the meaning defined above

History and Etymology for perovskite

German Perowskit, from Count L. A. Perovskiĭ †1856 Russian statesman

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Last Updated

10 Sep 2018

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The first known use of perovskite was in 1840

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