Tunable emission of LiCa3MgV3O12:Bi3+ via energy transfer and changing excitation wavelength
Source abstract
Abstract
Abstract LiCa3MgV3O12:Bi3+ phosphor is successfully synthesized by the high-temperature solid-state reaction method in air. The crystal structures and luminescence properties are investigated. Excitation/emission bands of LiCa3MgV3O12:Bi3+ phosphor show red-shift with increasing the monitored/excitation wavelengths from short to long. The doping of Bi3+ ion can result in the host LiCa3MgV3O12 lattice distortion and the energy transfer (ET) from VO43− to Bi3+. The tunable emission of LiCa3MgV3O12:Bi3+ phosphor from blue-green to yellow can be observed with increasing Bi3+ concentration from 0 to 8 mol%. The chromaticity coordinates of LiCa(3-x)MgV3O12:xBi3+ phosphors can change from (0.2393, 0.3260) to (0.4358, 0.4472) with increasing Bi3+ concentration from 0 to 8 mol%. The existence of VO43− → Bi3+ ET in LiCa3MgV3O12:Bi3+ phosphor is indicated by the luminescence properties. The luminous mechanism of LiCa3MgV3O12:Bi3+ phosphor is explained by the configurational coordinate diagrams of VO43− and Bi3+. The experimental results are helpful for the luminescence property researches of other Bi3+-doped luminescence materials.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Perovskite Materials and Applications · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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