Halogen-Ion-Driven Polymorphs for High-Performance Nonlinear Optical Crystalline Materials

Key Points

• The aim is to explore a halogen-driven strategy to design noncentrosymmetric crystalline materials for nonlinear optical applications.
• Demonstrated strategies for manipulating the crystal structures using halogens.
• Analyzed thermodynamic stability of noncentrosymmetric versus centrosymmetric configurations.
• Characterized optical properties of the synthesized materials.
• Successfully synthesized high-performance noncentrosymmetric crystalline materials.
• Demonstrated enhanced nonlinear optical properties compared to traditional materials.
• Findings suggest that halogen incorporation can overcome thermodynamic barriers for NLO applications.