Stable self-powered X-ray detection with a low detection limit using a green halide hybrid perovskite ferroelectric crystal.

ABSTRACT: Lead halide hybrid perovskite ferroelectrics show great potential in the field of self-powered X-ray detection due to their excellent X-ray absorption, high carrier mobility, large carrier lifetime, and interesting ferroelectricity. Nonetheless, the toxicity of lead raises concerns regarding safety for humans and the environment, which limits their practical applicability. Herein, we successfully realized stable self-powered X-ray detection with a low detection limit using a lead-free halide hybrid perovskite ferroelectric crystal, [H₂mdap]BiBr₅ (1, H₂mdap = N-methyl-1,3-diaminopropanium), driven by the switchable spontaneous polarization (P _s). Specifically, a remarkable switchable ferroelectric-photovoltaic (FE-PV) effect and exce

SUBMITTER: Wang Y 

PROVIDER: S-EPMC11848742 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature