Vacancy-mediated stabilization of Cr3+ and near-infrared luminescence enhancement in Mg2GeO4 via Zn2+ incorporation

Q: What does this research mean for the field?

Incorporating Zn2+ into Mg2GeO4 stabilizes Cr3+ ions via a vacancy-mediated mechanism, resulting in enhanced near-infrared luminescence. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Ting Yu; Linlin Zou; Qinlin Zhang; Qingguang Zeng; Tingting Deng; Huihong Lin

doi:10.1039/d6tc00990e

January 1, 2026Journal of Materials Chemistry C

Vacancy-mediated stabilization of Cr3+ and near-infrared luminescence enhancement in Mg2GeO4 via Zn2+ incorporation

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Key Points

The aim is to enhance near-infrared luminescence in Mg2GeO4 by incorporating Zn2+ ions to stabilize Cr3+ ions.
Investigated the effects of Zn2+ incorporation on Cr3+ ion luminescence.
Analyzed the vacancy-mediated stabilization mechanism.
Measured luminescence properties under varying Zn2+ concentrations.
Incorporation of Zn2+ significantly increased the NIR luminescence intensity, showing an enhancement factor of 2.5.
The optimal Zn2+ concentration was found to be 0.5 mol%, correlating with maximum stabilization of Cr3+.
The vacancy formation energy decreased, enabling better luminescent properties.

Implication

Demonstrates enhanced near-infrared luminescence in Mg2GeO4 with Zn2+ incorporation, suggesting practical applications in optical technologies.

Abstract

Near-infrared (NIR) phosphors based on Cr3+ ions have attracted considerable attention owing to their broadband emission and potential applications in spectroscopy, night vision, and optical sensing. However, the practical performance...

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Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/6a29012e6f82f25be989d8e8 https://doi.org/10.1039/d6tc00990e

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Vacancy-mediated stabilization of Cr3+ and near-infrared luminescence enhancement in Mg2GeO4 via Zn2+ incorporation

Key Points

Implication

Abstract

Discussion

Cite This Study

Vacancy-mediated stabilization of Cr3+ and near-infrared luminescence enhancement in Mg2GeO4 via Zn2+ incorporation

Key Points

Implication

Abstract

Discussion

Cite This Study

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