Volume 93 Issue 16 | p. 24 | Concentrates
Issue Date: April 20, 2015

Perovskite Nanowires Win Laser Battle

Semiconducting Materials: Chemists synthesize single crystals with ‘unheard of’ performance
Department: Science & Technology
News Channels: Materials SCENE, Nano SCENE
Keywords: Perovskite, nanowire, laser, lead halide

Lead halide perovskites are already famous for their ability to harvest solar energy, and now researchers are starting to show that the semiconductors make for promising lasers. Last year, British researchers demonstrated that lasers made with perovskite thin films and powered by light had a quantum efficiency of about 70%, meaning a laser emitted seven photons for every 10 absorbed. Chemists . . .

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