What question did this study set out to answer?

The aim is to enhance the performance of wide-bandgap perovskite solar cells by modifying interfaces using aromatic amino acid derivatives.

May 3, 2026

Manipulating Buried Interface via Aromatic Amino Acid Derivatives for Wide-Bandgap Perovskite Solar Cells and Tandem Devices.

Key Points

The aim is to enhance the performance of wide-bandgap perovskite solar cells by modifying interfaces using aromatic amino acid derivatives.
Integrated NBP-modified wide-bandgap sub cell with 1.25 eV NBG sub cell to construct tandem solar cells.
Evaluated power conversion efficiency (PCE) and photostability through maximum power point tracking.
Measured performance after 1000 hours of tracking.
Achieved a PCE of 29.05% in the two-terminal tandem solar cells.
Maintained 85.3% of initial PCE after 1000 hours of testing.
Demonstrated significant improvement in device photostability.

Abstract

of 1.371 V. Notably, the device exhibited exceptional photostability, retaining 85.3% of its initial PCE after 1000 h of maximum power point tracking (MPPT). Moreover, integrating the NBP-modified WBG sub cell with 1.25 eV NBG sub cell obtains a two-terminal (2T) TSCs with an impressive PCE of 29.05%.

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Cite This Study

Jiang et al. (Fri,) studied this question.

synapsesocial.com/papers/69f6e5ac8071d4f1bdfc65de https://doi.org/https://doi.org/10.1002/smll.73595

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