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January 22, 2026Small

High‐Sensitivity Self‐Powered X‐Ray Detectors Based on Chiral Bismuth Perovskites

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Authors

JHJianyi HuangLDLiping DuQHQingyun Han

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Overview

Researchers demonstrate high-sensitivity x-ray detection in lead-free perovskites, suggesting advancements for eco-friendly medical imaging.

Key Points

  • The study aims to develop eco-friendly x-ray detectors using chiral bismuth perovskites to enhance sensitivity and stability.
  • Presented a 0D chiral organic-inorganic hybrid bismuth perovskite single crystal.
  • Evaluated bulk photovoltaic effect for self-powered operation.
  • Measured sensitivity and detection limits under various conditions.
  • Achieved a sensitivity of 10,200 µC·Gy −1 cm −2 at 1000 V bias.
  • Maintained self-powered operation with a detection limit of 510 nGy s −1.
  • Demonstrated structural integrity for over a year in ambient conditions.

Cite This Study

Huang et al. (2026) studied this question.

synapsesocial.com/papers/6971be10642b1836717e2ab2https://doi.org/10.1002/smll.202513921
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