Ultrafast Photoexcitation Induced Passivation for Quasi‐2D Perovskite Photodetectors
Yunfan Yue,
NianYao Chai,
Mingyu Li
et al.
Abstract:Quasi‐2D perovskites exhibit great potential in photodetectors due to their exceptional optoelectronic responsivity and stability, compared to their 3D counterparts. However, the defects are detrimental to the responsivity, response speed, and stability of perovskite photodetectors. Herein, an ultrafast photoexcitation‐induced passivation technique is proposed to synergistically reduce the dimensionality at the surface and induce oxygen doping in the bulk, via tuning the photoexcitation intensity. At the optim… Show more
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