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Dosimetry for Cell Irradiation using Orthovoltage 40-300 kV X-Ray Facilities

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Arising 2D Perovskites for Ionizing Radiation Detection.

Weijun Li¹, Mingbian Li¹, Yuhong He¹

¹State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)

|April 5, 2024

Summary

Two-dimensional (2D) perovskites offer enhanced stability and reduced noise for ionizing radiation detection. Their unique properties make them promising for direct X-ray detection and other radiation sensing applications.

Keywords:

2D perovskite direct semiconductor detector indirect scintillator detector ionizing radiation detection radiation detection imaging

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Area of Science:

Materials Science
Physics
Chemistry

Background:

Two-dimensional (2D) perovskites exhibit enhanced moisture stability due to large organic cations.
These cations suppress ion migration and reduce dark current, crucial for sensitive detectors.
Unique properties like anisotropy and tunable bandgaps further enhance their potential.

Purpose of the Study:

To systematically review the advancements in 2D halide perovskite semiconductors and scintillators for ionizing radiation detection.
To discuss the advantages of 2D perovskites in X-ray detection, focusing on structural features.
To propose future development directions for 2D halide perovskite radiation detectors.

Main Methods:

Literature review of 2D halide perovskite applications in radiation detection.
Analysis of structural properties influencing detector performance.
Discussion of various radiation types detected (alpha, beta, neutron, X-ray, gamma).

Main Results:

2D perovskites demonstrate improved stability and reduced noise in radiation detectors.
Effective suppression of ion migration leads to lower baseline drift.
Potential shown for direct X-ray detection and other ionizing radiation applications.

Conclusions:

2D halide perovskites are highly promising for ionizing radiation detection due to their stability and unique optoelectronic properties.
Further development is needed to overcome existing limitations for widespread application.
Continued research will drive innovation in perovskite-based radiation sensing technologies.