Electronic structures of crystalline phases in poly(vinylidene fluoride) films probed by far- and deep-ultraviolet spectroscopy and quantum chemical calculations

Key Points

• The aim is to elucidate the electronic structures of crystalline phases in poly(vinylidene fluoride) films.
• Utilized far- and deep-ultraviolet spectroscopy to probe electronic structures.
• Conducted quantum chemical calculations to analyze polymorph behavior.
• Examined various crystalline phases within poly(vinylidene fluoride) films.
• Identified distinct electronic structure characteristics in multiple PVDF polymorphs.
• Demonstrated significant piezoelectric and pyroelectric properties in specific phases of PVDF.
• Provided insights that may enhance future material applications and device optimizations.