Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH3)4N)2(C2H5)4N·MnBr4 Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells
Songbo Li,
Pengpeng Dong,
Xiaopeng Wei
et al.
Abstract:In conventional p‐i‐n inverted perovskite solar cells (PSCs), there exists considerable energy loss due to both unsatisfactory light path design and trap‐induced interfacial defects. The sunlight is absorbed competitively by conductive oxide substrates and HTM in front of the perovskite layer, while the opaque metal back electrode also prevents light penetration. Worse yet, there is severe non‐radiative charge recombination caused by defects between the perovskite layer and the ETM. To tackle the above two iss… Show more
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