Abstract
Herein, a green and highly efficient strategy was developed to fabricate lead-free perovskite Cs3Bi2Br9 through solid-state mechanochemical process under mild conditions, wherein the effects of rotation speed, grinding duration and ball-to-powder ratio on the formation of Cs3Bi2Br9 powers were investigated. The photocatalytic performance of the as-prepared Cs3Bi2Br9 powers was evaluated for catalyzing oxidative coupling of various aldehydes or alcohols to anhydrides using O2 as the sole oxidant. Furthermore, a probable reaction mechanism was proposed basing on series active species capture experiments.
Published Version
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