Light is known to induce segregation of iodine and bromine in mixed-halide perovskites. Counterintuitively, it is now shown that irradiation at higher intensity reverses this process, leading to halide remixing.

中文翻译：

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向光致偏析照射更多光

已知光会导致碘和溴在混合卤化物钙钛矿中分离。违反直觉，现在表明以较高强度照射会逆转此过程，从而导致卤化物重新混合。