perovskite

noun

pe·​rov·​skite pə-ˈräv-ˌskīt How to pronounce perovskite (audio) -ˈräf- How to pronounce perovskite (audio)
: 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 So Harry and his team are exploring the trade-offs and developing a lot of new cells that are much cheaper and lighter: Cells made with thin films of perovskites or semiconductors like gallium arsenide, cells that use quantum dots, or use waveguides or other optics to concentrate the light. IEEE Spectrum, 11 Apr. 2024 While all of this may paint a gloomy picture for the commercialization of perovskite PVs, the report does point out that perovskite is approaching commercial markets currently with the first solar module manufacturers expected to enter the market later this year or by 2025. IEEE Spectrum, 26 Mar. 2024 Firstly, the cells’ power conversion efficiency often varies depending on how it is measured, suggesting an underlying instability in the cells’ light-gathering perovskite materials. IEEE Spectrum, 7 Jan. 2015 Some of the most promising perovskite materials for solar power also incorporate lead, which can be released into the environment when the perovskite cells degrade. NBC News, 19 Apr. 2021 The new cell uses perovskite, a crystalline structure formed by minerals that convert sunlight into electricity. Devika Rao, theweek, 30 Jan. 2024 The other work, also coming out of a European collaboration, was focused on optimizing the combination of silicon and perovskite. John Timmer, Ars Technica, 7 July 2023 The cells are made of a combination of silicon and a material called a perovskite. Dina Genkina, Ars Technica, 24 Aug. 2023 In future work, the researchers plan to expand on their design by adding multiple perovskite crystal layers that fluoresce in different bands, which would provide better UV wavelength resolution. IEEE Spectrum, 24 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'perovskite.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of perovskite was in 1840

Dictionary Entries Near perovskite

Cite this Entry

“Perovskite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perovskite. Accessed 27 May. 2024.

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