Dual-functional application of Ca2GdTaO6: Bi3+, Ln3+ (Ln = Eu, Sm, Dy) phosphors in optical thermometry and anti-counterfeiting

Key Points

• Dual-functional application of Ca2GdTaO6 phosphors enhances temperature measurement accuracy.
• Employing Bi3+ and Ln3+ (Eu, Sm, Dy) in the materials provides significant optical features.
• The analysis includes evaluating the materials' performance as effective anti-counterfeiting measures.
• Potential implications underscore the need for innovative materials in security and sensing technologies.