High-Quality Cs₃Cu₂I₅@PMMA Scintillator Films Assisted by Multiprocessing for X-ray Imaging

Area of Science:

• Materials Science
• Condensed Matter Physics
• Radiological Imaging

Background:

• Metal halide scintillators offer tunable emission, high X-ray absorption, and efficiency.
• Poor stability and complex packaging hinder high-resolution and flexible X-ray imaging.

Purpose of the Study:

• To develop stable and flexible scintillator films for advanced X-ray imaging.
• To address limitations of current metal halide scintillators.

Main Methods:

• A multiprocessing strategy involving annealing treatments was used to prepare Cs3Cu2I5@PMMA scintillator films.
• In-situ nucleation and growth of Cs3Cu2I5 crystals within a PMMA matrix.

Main Results:

• The Cs3Cu2I5@PMMA films exhibited high crystallinity, uniform size, and excellent flexibility.
• Stable photoluminescence (PL) and radioluminescence (RL) performance were achieved.
• High-resolution X-ray imaging of complex structures was demonstrated with stable quality over 60 days.

Conclusions:

• The developed Cs3Cu2I5@PMMA scintillator films provide an effective strategy for producing high-quality, stable, and flexible scintillators.
• This advancement meets the demands for next-generation X-ray imaging applications.