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August 17, 2025Energy & Environmental Science23 citations

Deciphering halide ion migration and performance loss in wide-bandgap perovskite solar cells: connection, mechanism, and solutions

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YGYuxiao GuoHTHairen TanBXBo Xu

Key Points

  • Performance loss in wide-bandgap perovskite solar cells is connected to halide ion migration, affecting efficiency.
  • Key findings suggest that mixed-halide perovskites are crucial for advancing tandem photovoltaics, specifically for their tunable bandgap.
  • This analysis involves investigation of mechanisms related to performance degradation in solar cells, focusing on halide ion behavior.
  • The implications of this research point to potential solutions and enhancements in the field of solar energy technology.

Abstract

Wide-bandgap (WBG, ≥1.60 eV) mixed-halide perovskites with tunable bandgap are pivotal for advancing tandem photovoltaics (PVs). However, WBG perovskite solar cells (PSCs) suffer from severe performance loss, often linked to...

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Cite This Study

Guo et al. (2025) studied this question.

synapsesocial.com/papers/68a36a4f0a429f797332ef4dhttps://doi.org/10.1039/d5ee03136b
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