Ultrahigh sensitivity upconversion low temperature sensors<i>via</i>manipulating the non-thermally coupled levels of Er<sup>3+</sup>ions
Weitao Ying, Jingyi He, Xuemei Fan, Shiqing Xu, Jianmin Gu, Shimin Liu
Abstract
The GC material produces excellent blue UC emission under 980 nm or 1550 nm excitation, where the blue emission level ( 2 H 9/2 ) could form a novel NTCL ( 2 H 11/2 – 2 H 9/2 ) with other energy levels, realizing ultrahigh sensitivity low temperature sensing.
Topics & Concepts
Materials sciencePhoton upconversionIonSensitivity (control systems)ExcitationLow energyAnalytical Chemistry (journal)OptoelectronicsAtomic physicsLuminescencePhysicsChemistryQuantum mechanicsChromatographyEngineeringElectronic engineeringLuminescence Properties of Advanced MaterialsLuminescence and Fluorescent MaterialsGas Sensing Nanomaterials and Sensors