UVC-induced valence switching in BaFBr:Sm 3+ nanoplates

Key Points

• Valence switching in BaFBr:Sm3+ nanoplates occurs with UVC exposure, allowing reversible transformations.
• Luminescence studies indicate significant photochemical dynamics, including the stability of Sm2+ ions under UVC.
• Assessment reveals the extent and kinetics of the reaction, demonstrating the importance of UVC radiation on the material.
• Findings highlight potential applications in photonics, indicating a need for further exploration of luminescence mechanisms.