Strongly enhanced and tunable photovoltaic effect in ferroelectric-paraelectric superlattices
Yeseul Yun, Lutz Mühlenbein, David S. Knoche, Andriy Lotnyk, Akash Bhatnagar
Abstract
The enhancement can be tuned by the periodicity of the superlattice, and persists under 1.5 AM irradiation. Systematic investigations highlight the critical role of large dielectric permittivity and lowered bandgap.
Topics & Concepts
FerroelectricitySuperlatticePhotovoltaic systemDielectricMaterials sciencePhotovoltaic effectOptoelectronicsCurrent (fluid)Electrical engineeringEngineeringFerroelectric and Piezoelectric MaterialsMultiferroics and related materialsAdvanced Sensor and Energy Harvesting Materials