Strain-engineered Si-doped Cs 3 Bi 2 I 9 perovskite for high-performance MIM capacitors: a DFT study

Key Points

• This research aims to assess the energy storage capabilities of strain-engineered Si-doped Cs3Bi2I9 perovskites using density functional theory.
• Used density functional theory to model the properties of Si-doped Cs3Bi2I9 perovskites.
• Investigated the impact of strain engineering on energy storage potential.
• Strain engineering significantly improves the energy storage capacity of Si-doped Cs3Bi2I9 perovskites.
• Enhanced performance indicates potential for high-efficiency MIM capacitors.