Combining Efficiency and Stability in Mixed Tin-Lead Perovskite Solar Cells by Capping Grains with an Ultra-thin 2D layer

Published: Jun 14, 2020
Abstract
The development of narrow-bandgap (Eg ~ 1.2 eV) mixed tin-lead (Sn-Pb) halide perovskites enables all-perovskite tandem solar cells. Whereas pure-lead halide perovskite solar cells (PSCs) have advanced simultaneously in efficiency and stability, achieving this crucial combination remains a challenge in Sn-Pb PSCs. Here Sn-Pb perovskite grains are anchored with ultra-thin layered perovskites to overcome the efficiency-stability tradeoff. Defect...
Paper Details
Title
Combining Efficiency and Stability in Mixed Tin-Lead Perovskite Solar Cells by Capping Grains with an Ultra-thin 2D layer
Published Date
Jun 14, 2020
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