Co-substitution of Zn 2+ /Ge 4+ pair within garnet phosphors activated by Er 3+ for enhancing luminescence properties and optical thermometry

Yuanhao Chen; X.-Z. Zhang; Yirong Liu; Haisheng Liu; DeChao Yu; Dawei Zhang

doi:10.1039/d6tc00547k

January 1, 2026Journal of Materials Chemistry C

Co-substitution of Zn 2+ /Ge 4+ pair within garnet phosphors activated by Er 3+ for enhancing luminescence properties and optical thermometry

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Key Points

The aim is to enhance luminescence properties and optical thermometry in garnet phosphors activated by Er 3+ through Zn 2+ and Ge 4+ co-substitution.
Synthesis of gadolinium gallium garnet phosphors with varying Zn 2+ and Ge 4+ concentrations.
Characterization of luminescent properties using spectroscopic techniques.
Evaluation of optical thermometry performance through temperature-dependent luminescence analysis.
Increased luminescence intensity was observed with specific Zn 2+ and Ge 4+ ratios.
Optimal co-substitution improved thermal sensitivity for optical thermometry applications.
Prominent enhancements in emission spectra were linked to changes in crystal field effects.

Implication

This research demonstrates enhanced luminescence properties in garnet phosphors, indicating potential for optical thermometry applications.

Abstract

Gadolinium gallium garnet has been emerging as a starlet for preparing efficient luminescent materials, while via crystal field engineering the luminescence properties of rare-earth activator in its solid solution phosphors...

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Cite This Study

Chen et al. (2026) studied this question.

synapsesocial.com/papers/69cf5f505a333a821460e66a https://doi.org/10.1039/d6tc00547k

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Co-substitution of Zn 2+ /Ge 4+ pair within garnet phosphors activated by Er 3+ for enhancing luminescence properties and optical thermometry

Key Points

Implication

Abstract

Discussion

Cite This Study

Co-substitution of Zn 2+ /Ge 4+ pair within garnet phosphors activated by Er 3+ for enhancing luminescence properties and optical thermometry

Key Points

Implication

Abstract

Discussion

Cite This Study

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