Switchable photoluminescence of europium(III) complexes with chromonylhydrazones

Asahi Kamei; Daisuke Saito; Kazuma Takahara; Keito Nose; Hideki Okamoto; Masaki Yoshida; Masako Kato; Takayoshi Suzuki

doi:10.1039/d6cc01278g

January 1, 2026Chemical CommunicationsOpen Access

Switchable photoluminescence of europium(III) complexes with chromonylhydrazones

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Key Points

The study investigates the photoluminescence properties of europium(III) complexes with specific chromonylhydrazones.
Synthesis of europium(III) complexes with HL1 and HL2
Analysis of luminescence in acetonitrile and solid states
Evaluation of emission spectra and luminescence efficiency
Europium(III) complexes demonstrated strong Eu(III) luminescence spanning 5D0 to 7FJ transitions.
High total luminescence quantum yield observed in both tested states.
Distinct luminescence characteristics highlight the potential for applications in photonic devices.

Implication

Experimental analysis reveals distinct luminescence properties of europium(III) complexes in different states, suggesting versatile applications.

Abstract

Europium(III) complexes bearing 4-hydroxy- or 4-methyl- N ’-((6-methyl-4-oxo-4 H -chromen-3-yl)methylene)benzohydrazide (HL 1 or HL 2 ) showed characteristic Eu III 5 D 0 → 7 F J ( J = 0–4) luminescence both in acetonitrile and in solid states with relatively high Φ tot ...

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Cite This Study

Kamei et al. (2026) studied this question.

synapsesocial.com/papers/6a2900b26f82f25be989d2b2 https://doi.org/10.1039/d6cc01278g

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Switchable photoluminescence of europium(III) complexes with chromonylhydrazones

Key Points

Implication

Abstract

Discussion

Cite This Study

Switchable photoluminescence of europium(III) complexes with chromonylhydrazones

Key Points

Implication

Abstract

Discussion

Cite This Study

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