Negative Pressure Engineering with Large Cage Cations in 2D Halide Perovskites Causes Lattice Softening

Keyphrases

• A-site Cations 100%
• Negative Pressure 100%
• Lattice Softening 100%
• Two-dimensional Halide Perovskite 100%
• Pressure Engineering 100%
• Two-dimensional Perovskite 60%
• Formamidinium 40%
• Perovskite Structure 40%
• Methylammonium 40%
• Guanidinium 40%
• Dimethylammonium 40%
• Goldschmidt Tolerance Factor 40%
• Optical Properties 20%
• Semiconductors 20%
• Electronic Properties 20%
• Structure-property Relationships 20%
• Single Crystal 20%
• Structural Change 20%
• High Concentration 20%
• Halides 20%
• Phonons 20%
• Optoelectronic Properties 20%
• Single Crystal X-ray Diffraction (SCXRD) 20%
• Structural Properties 20%
• Perovskite 20%
• Tailorable 20%
• Raman Spectra 20%
• Geometric Constraints 20%
• DFT Calculations 20%
• Bond Length 20%
• Optical Studies 20%
• Optical Band Gap 20%
• Tilt Angle 20%
• P Orbital 20%
• Photoluminescence Intensity 20%
• Non-radiative Decay 20%
• Nonradiative Recombination 20%
• Photoluminescence Lifetime 20%
• Organic-inorganic Hybrid Halide Perovskites 20%
• Three-dimensional Perovskite 20%
• Transient Absorption Microscopy 20%

Chemistry

• Halide 100%
• Space Group 66%
• Methylammonium 66%
• Guanidinium 66%
• Guanidine 66%
• Photoluminescence 33%
• Bond Length 33%
• Single Crystalline Solid 33%
• Electronic Property 33%
• Optical Property 33%
• Band Gap 33%
• Optoelectronics 33%
• Single Crystal X-Ray Diffraction 33%
• Cmcm 33%
• Drop 33%
• Phonons 33%
• Raman Spectra 33%
• Density Functional Theory 33%

Material Science

• Halide 100%
• Single Crystal X-Ray Diffraction 33%
• Electronic Property 33%
• Structural Property 33%
• Photoluminescence 33%
• Optical Property 33%
• Single Crystal 33%