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April 18, 2026Energy & Environmental Science

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

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Authors

SLShaopeng LiaoGLGuang LiMRMengqi Ren

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Overview

Research reveals improved photovoltaic performance in all-perovskite tandem cells using GBAM.

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.

Cite This Study

Liao et al. (2026) studied this question.

synapsesocial.com/papers/69e31fcb40886becb653ef5dhttps://doi.org/10.1039/d6ee00301j
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  4. 4Buried Interface Toughening and Multi-Site Defect Passivation for Thermally Stable Wide-Bandgap Perovskite Solar Cells2026 · 3 citations
  5. 5Homogenizing Buried Interfacial Contact and Halide Distribution in Wide-Bandgap Perovskites for Efficient Tandem Solar Cells2026 · 1 citations