Multifunctional Buffer Layer Engineering for Efficient and Stable Wide‐Bandgap Perovskite and Perovskite/Silicon Tandem Solar Cells
Xiaofei Ji,
Yian Ding,
Leyu Bi
et al.
Abstract:Inverted perovskite solar cells (PSCs) are preferred for tandem applications due to their superior compatibility with diverse bottom solar cells. However, the solution processing and low formation energy of perovskites inevitably lead to numerous defects at both the bulk and interfaces. We report a facile and effective strategy for precisely modulating the perovskite by incorporating AlOx deposited by atomic layer deposition (ALD) on the top interface. We find that Al3+ can not only infiltrate the bulk phase a… Show more
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