Enhanced two-step two-frequency upconversion luminescence in a core/shell/shell nanostructure

Han, Di; Yang, Shizhi; Zhao, Qiang; Zhang, Liangliang; Yan, Deyue

doi:10.1039/d2ma01040b

Cited by 6 publications

(2 citation statements)

References 53 publications

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“…Er@NaGdF 4 :Yb@NaYF 4 :Er have been prepared by Han et al via the solvothermal method [31]. Jang et al synthesized silica-coated NaYF 4 :…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application

Bawanthade,

Mistry,

Ugemuge

et al. 2024

Luminescence

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In recent trends, radiation falls under the narrowband ultraviolet‐B region (305–315 nm) widely used in phototherapy lamp applications in the treatment of skin diseases. In this paper, we report a Gd3+‐doped NaYF4 luminescent material synthesized for the first time using the low‐temperature co‐precipitation method. It crystallized into a face‐centred cubic structure, as confirmed by X‐ray diffraction characterization techniques and Rietveld refinement. The photoluminescence property of the as‐prepared sample shows a highly intense, sharp emission band obtained at 311 nm, which belongs to the narrowband ultraviolet‐B region and corresponds to the transition of the 6P7/2→8S7/2 level of the Gd3+ ions under 272 nm excitation (8S7/2 to 6IJ). The transitions of the Gd3+ ions are detected entirely with different concentrations of Gd3+ ions. Scanning electron microscopy analysis indicated that the average particle was 288 nm. The critical distance for energy transfer was calculated to be equal to 11.5017 Å. Dipole–dipole interaction is responsible for energy transfer, as analyzed by Dexter theory. These excellent optical characteristics, together with their highly efficient and low‐cost synthesis approach, indicate that synthesized NaYF4:Gd3+ phosphors have excessive potential for phototherapeutic lamp applications.

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“…Er@NaGdF 4 :Yb@NaYF 4 :Er have been prepared by Han et al via the solvothermal method [31]. Jang et al synthesized silica-coated NaYF 4 :…”

Section: Introductionmentioning

confidence: 99%

“…Recently, core/shell upconversion nanoparticles of hexagonal‐phase NaYF 4 :Er@NaGdF 4 :Yb@NaYF 4 :Er have been prepared by Han et al . via the solvothermal method [31]. Jang et al .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application

Bawanthade,

Mistry,

Ugemuge

et al. 2024

Luminescence

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Full-Color upconversion luminescence nanoplatform for real three-dimensional volumetric color displays

Jia,

Zhao,

Huo

et al. 2024

Chemical Engineering Journal

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Cytotoxic effects of NIR responsive chitosan-polymersome layer coated melatonin-upconversion nanoparticles on HGC27 and AGS gastric cancer cells: Role of the ROS/PI3K/Akt/mTOR signaling pathway

Fan,

Shao,

Jiang

et al. 2024

International Journal of Biological Macromolecules

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Enhanced two-step two-frequency upconversion luminescence in a core/shell/shell nanostructure

Abstract: The hexagonal-phase NaYF4:Er@NaGdF4:Yb@NaYF4:Er core/shell/shell upconversion nanoparticles (UCNPs) were synthetized by solvothermal method and first applied in enhancing two-step two-frequency upconversion luminescence (TSTF UCL). In comparison to NaYF4:0.5%Er UCNPs, the UCL...

Cited by 6 publications

References 53 publications

Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application

Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application

Full-Color upconversion luminescence nanoplatform for real three-dimensional volumetric color displays

Cytotoxic effects of NIR responsive chitosan-polymersome layer coated melatonin-upconversion nanoparticles on HGC27 and AGS gastric cancer cells: Role of the ROS/PI3K/Akt/mTOR signaling pathway

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Enhanced two-step two-frequency upconversion luminescence in a core/shell/shell nanostructure

Abstract: The hexagonal-phase NaYF4:Er@NaGdF4:Yb@NaYF4:Er core/shell/shell upconversion nanoparticles (UCNPs) were synthetized by solvothermal method and first applied in enhancing two-step two-frequency upconversion luminescence (TSTF UCL). In comparison to NaYF4:0.5%Er UCNPs, the UCL...

Cited by 6 publications

References 53 publications

Synthesis and study of optical properties of a Gd3+‐doped NaYF4 phosphor for phototherapy lamp application

Synthesis and study of optical properties of a Gd3+‐doped NaYF4 phosphor for phototherapy lamp application

Full-Color upconversion luminescence nanoplatform for real three-dimensional volumetric color displays

Cytotoxic effects of NIR responsive chitosan-polymersome layer coated melatonin-upconversion nanoparticles on HGC27 and AGS gastric cancer cells: Role of the ROS/PI3K/Akt/mTOR signaling pathway

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Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application

Synthesis and study of optical properties of a Gd³⁺‐doped NaYF₄ phosphor for phototherapy lamp application