Hydrothermal Synthesis of Novel K2YbF5:Er3+/Y3+ Microcrystals with Tunable Red–Green Upconversion Luminescence
Source abstract
Abstract
Well-formed and high-quality K2YbF5 microrods have been successfully synthesized by a simple and mild hydrothermal route for the first time. X-ray diffraction, scanning electron microscopy, energy dispersive spectrometer, and photoluminescence spectra were adopted to characterize the as-prepared samples. It is found that the as-obtained samples belong to orthorhombic system and exhibit spindle-like microrods morphology with length of about 7–10 μm and diameter of about 3–6 μm. The upconversion (UC) luminescence properties of K2YbF5:x %Y3+, 2 %Er3+ (x = 10, 30, 50, 70, 90) were systematically investigated. Under 980 nm laser excitation, the emission intensities and the corresponding output colors of K2YbF5:Y3+/Er3+ could be precisely manipulated by adjusting the Y3+ doping concentration. This study provides a great opportunity for exploring other complex fluorides with improved UC luminescence properties.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Inorganic Fluorides and Related Compounds · Lanthanide and Transition Metal Complexes
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (46)
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