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April 18, 2026Energy & Environmental Science3 citations

Room temperature buried molecular engineering boosts the photovoltaic performance of wide-bandgap and all-perovskite tandems

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SLShaopeng LiaoGLGuang LiMRMengqi Ren

Key Points

  • The aim is to improve the efficiency of all-perovskite tandem solar cells using a buried interface modifier.
  • Utilized GBAM as a buried interface modifier at room temperature.
  • Performed co-annealing of GBAM with the perovskite layer.
  • Optimized the bottom interface of the wide-bandgap perovskite.
  • Achieved a photovoltaic performance of 29.07% for 2-terminal perovskite-perovskite tandem cells.

Abstract

GBAM is used as buried interface modifier at room temperature. Co-annealing GBAM with perovskite layer optimizes bottom interface of wide-bandgap perovskite, achieving 29.07% for 2-terminal perovskite–perovskite tandem cells.

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Cite This Study

Liao et al. (2026) studied this question.

synapsesocial.com/papers/69e31fcb40886becb653ef5dhttps://doi.org/10.1039/d6ee00301j
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