Low‑Temperature Quasi‑Static Seeded Columnar Grain Growth of Thick Perovskite Films with Minimal Stress for Sensitive X‑ray Detection

Key Points

• This research aims to explore grain growth in thick perovskite films while minimizing stress during the thermal annealing process.
• Applied low-temperature quasi-static conditions for annealing
• Evaluated grain growth characteristics
• Assessed delamination effects under thermal expansion constraints
• Successful grain growth with minimal delamination observed
• Improved structural integrity of thick perovskite films for X-ray applications
• Enhanced sensitivity in X-ray detection due to reduced thermal stress