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A team of researchers from Kyushu University in Japan and Changchun Institute of Applied Chemistry in China has demonstrated stable, continuous lasing at room temperature for over an hour using low-cost perovskites. Perovskites have been an attractive material for lasers due to their low cost, tunable colors, and high stability, though they have been prone to lasing death under continuous operation.
“The realization of lasers based on organic semiconductors has primarily been impeded by losses caused by the buildups of triplets. However, the situation for triplets in quasi-2D perovskites had yet to be fully considered,” said Chuanjiang Qin of the Changchun Institute of Applied Chemistry at the Chinese Academy of Sciences…READ MORE