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May 3, 202617 citations

Continuously graded-doped SnO2 for efficient n-i-p perovskite solar cells.

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DWD Y WangSLSaisai LiZDZijin Ding

Key Points

  • The study aims to improve the efficiency of n-i-p perovskite solar cells by engineering metal-oxide transport layers.
  • Developed a graded-doping strategy for SnO2 transport layers.
  • Investigated the energy-band engineering to enhance performance.
  • Addressed limitations in conventional perovskite solar cell designs.
  • Significant improvement in power conversion efficiency was observed.
  • Efficiency gains were linked to optimized energy-band alignment.
  • The approach helps to overcome traditional efficiency bottlenecks.

Abstract

aperture area. This work establishes a generalized paradigm for energy-band engineering in metal-oxide transport layers, overcoming a fundamental efficiency bottleneck in conventional perovskite photovoltaics.

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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69f6e6968071d4f1bdfc73fdhttps://doi.org/10.1038/s41586-026-10587-4
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