Nanoscale mapping of humid degradation-induced local mechanical property variation in CH₃NH₃PbI₃ polycrystalline film by scanning probe microscopy

Chemical Compounds

• Polycrystalline Film 90%
• Scanning Probe Microscopy 76%
• Grain Boundary 48%
• Liquid Film 29%
• Young's Modulus 16%
• Single Crystalline Solid 11%
• Microstructure 10%
• Surface 9%
• Time 5%

Physics & Astronomy

• degradation 46%
• microscopy 43%
• mechanical properties 41%
• scanning 38%
• probes 37%
• modulus of elasticity 35%
• grain boundaries 19%
• single crystals 5%
• microstructure 5%

Engineering & Materials Science

• Scanning probe microscopy 100%
• Degradation 43%
• Mechanical properties 40%
• Elastic moduli 37%
• Grain boundaries 26%
• Single crystals 10%
• Aging of materials 7%
• Microstructure 5%