Reversible and color controllable emissions in Er3+/Pr3+-codoped K0.5Na0.5NbO3 ceramics with splendid photochromic properties for anti-counterfeiting applications
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DOI: 10.1016/j.jeurceramsoc.2020.10.048
Abstract: Abstract It is highly significant to develop multi-mode optical anti-counterfeiting materials to efficiently fight against counterfeit products. In this study, we chose ferroelectric K0.5Na0.5NbO3 (KNN) with excellent photochromism properties as the host and rare-earth Er3+… read more here.
Keywords: anti counterfeiting; pr3 codoped; 5na0 5nbo3; er3 pr3 ... See more keywords