Synthesis and Properties of Highly Efficient Luminescent Zn‐Tb and Zn‐Eu Multimetal Complexes

Quanfeng Ye; Lingyi Li; Jie Zhang; Mingyu Teng; Fengshou Wu; Deman Han

doi:10.1002/aoc.70374

journal article Jan 01, 2025

Synthesis and Properties of Highly Efficient Luminescent Zn‐Tb and Zn‐Eu Multimetal Complexes

Quanfeng Ye Lingyi Li

Jie Zhang

Mingyu Teng Fengshou Wu Deman Han

Applied Organometallic Chemistry Vol. 39 No. 9 · Wiley

View at Publisher Save 10.1002/aoc.70374

Abstract

ABSTRACTSalen‐type Schiff‐base ligands (H2L) were synthesized through the condensation reaction between 1,2‐diphenylethane‐1,2‐diamine and o‐vanillin. Three novel luminescent Zn‐Ln complexes, [ZnL]2Ln (Ln = Gd, Tb, Eu), were successfully prepared by reacting the zinc complex (ZnL) with LnCl3. Subsequent treatment of [ZnL]2Ln with dibenzoylmethane yielded three dinuclear derivatives, β‐[ZnL]Ln (Ln = Gd, Tb, Eu). All complexes were comprehensively characterized by single‐crystal X‐ray diffraction and FT‐IR spectroscopy. Structural analyses revealed that complexes 1–3 adopt trinuclear Zn‐Ln‐Zn architectures, whereas complexes 4–6 exhibit dinuclear Zn‐Ln configurations. Solid‐state photoluminescence measurements demonstrated quantum yields of 27.94% (ZnL), 0.90% ([ZnL]2Eu), 1.82% ([ZnL]2Tb), 1.05% ([ZnL]2Gd), 0.65% (β‐[ZnL]Eu), 1.16% (β‐[ZnL]Tb), and 0.70% (β‐[ZnL]Gd), indicating their potential as advanced fluorescent rare‐earth materials. The LED devices based on complexes β‐[ZnL]Eu and β‐[ZnL]Tb exhibit stronger emission intensities compared to those based on complexes [ZnL]2Eu and [ZnL]2Tb. The obtained complexes were fabricated in LED; the CIE chromaticity coordinates of complexes β‐[ZnL]Eu and β‐[ZnL]Tb are (0.344, 0.316) and (0.347, 0.323), respectively, which are very close to the standard white light coordinates (0.33, 0.33).

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Details

Published: Jan 01, 2025
Vol/Issue: 39(9)
License: View

Authors

Q

Quanfeng Ye

Department of Chemistry, School of Pharmaceutical and Chemical Engineering Taizhou University Jiaojiang Zhejiang China

L

Lingyi Li

Department of Chemistry, School of Pharmaceutical and Chemical Engineering Taizhou University Jiaojiang Zhejiang China

J

Jie Zhang

Department of Chemistry, School of Pharmaceutical and Chemical Engineering Taizhou University Jiaojiang Zhejiang China

M

Mingyu Teng

Yunnan Key Laboratory of Modern Separation Analysis and Substance Transformation, College of Chemistry and Chemical Engineering Yunnan Normal University Kunming Yunnan China

F

Fengshou Wu

Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology Wuhan China

D

Deman Han

Department of Chemistry, School of Pharmaceutical and Chemical Engineering Taizhou University Jiaojiang Zhejiang China

Funding

National Natural Science Foundation of China Award: 22476147

Natural Science Foundation of Zhejiang Province Award: LY21B010001

Cite This Article

Quanfeng Ye, Lingyi Li, Jie Zhang, et al. (2025). Synthesis and Properties of Highly Efficient Luminescent Zn‐Tb and Zn‐Eu Multimetal Complexes. Applied Organometallic Chemistry, 39(9). https://doi.org/10.1002/aoc.70374

Synthesis and Properties of Highly Efficient Luminescent Zn‐Tb and Zn‐Eu Multimetal Complexes

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