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Science
fromwww.nature.com
1 week ago

All-perovskite tandem solar cells with dipolar passivation

Dipolar passivation at HTL/Pb–Sn perovskite interfaces reduces trap density, aligns energy levels, extends carrier diffusion length to 6.2 μm, and improves solar-cell performance.
Science
fromwww.nature.com
2 weeks ago

Tin-based perovskite solar cells with a homogeneous buried interface

Phosphonic-acid molecular interlayer enables superior hole extraction and directs growth of high-quality Sn perovskite films, achieving 17.89% PCE and strong stability.
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