Unique excitation power density and pulse width-dependent multicolor upconversion emissions of Y<sub>2</sub>Mo<sub>4</sub>O<sub>15</sub>:Yb<sup>3+</sup>,Ho<sup>3+</sup> for anti-counterfeiting and information encryption applications
Yiying Li, Wenwu You, Jun Zhao, Xiaomin Zhang, Gencai Pan, Pingan Liu, Yanli Mao
Abstract
A unique smart upconversion material Y 2 Mo 4 O 15 :40%Yb 3+ ,2%Ho 3+ that can respond to the power density and pulse width of the excitation light is developed.
Topics & Concepts
Photon upconversionExcitationMaterials sciencePower densityAtomic physicsPulse (music)Pulse-width modulationPower (physics)Analytical Chemistry (journal)PhysicsOpticsOptoelectronicsDopingChemistryChromatographyDetectorQuantum mechanicsLuminescence Properties of Advanced MaterialsPerovskite Materials and ApplicationsRadiation Detection and Scintillator Technologies