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February 2, 2026SmallOpen Access

Toward a Robust ZnO Interface via Fullerene‐Based SAMs: Defect Passivation and Compatibility Tuning for High‐Performance Inverted Organic Solar Cells

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Authors

TXTian XiaQLQian LiKLKaikai Liu

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Overview

Demonstrates enhanced charge extraction and stability in organic solar cells through novel interfacial modifiers.

Key Points

  • The research aims to enhance the performance and stability of inverted organic solar cells by optimizing interfacial layers.
  • Developed and analyzed two fullerene-based self-assembled monolayers (C2-PA and 4EG-PA) for ZnO interfaces.
  • Conducted comparisons of SAM morphology and charge-transfer dynamics using transient absorption spectroscopy.
  • Evaluated power conversion efficiency and long-term stability of solar cells.
  • 4EG-PA demonstrated a denser SAM morphology compared to C2-PA, resulting in improved passivation of ZnO.
  • Achieved champion power conversion efficiency of 19.46% with 4EG-PA.
  • Devices retained 84% of their initial performance after 2000 hours, indicating enhanced operational stability.

Cite This Study

Xia et al. (2026) studied this question.

synapsesocial.com/papers/6980ff37c1c9540dea812191https://doi.org/10.1002/smll.202513104
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