Study of Luminescence Phenomena of Tb (III) Containing Fluroquinoline for Application in Optoelectronic Devices.

IF 2.6 4区 化学 Q2 BIOCHEMICAL RESEARCH METHODS
Poonam Kumari, Vaishnavi Lather, Arjun Malik, Pratibha Ahlawat, Rajesh Kumar
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引用次数: 0

Abstract

This study presents a series of six vivid green Tb(III) complexes, denoted by the general formula [Tb(L)3.secondary sensitizers], where L represents 1-cyclopropyl-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxoquinoline-3-carboxylic acid and secondary sensitizers consist of heterocyclic N-donor aromatic systems. The synthesis of these complexes were achieved through a solvent-assisted grinding method, and their characterization involved various techniques such as CHN analysis, FTIR, NMR, UV, XRD, and NIR spectroscopy. These analyses confirmed the successful synthesis of complexes with coordination between the quinoline moiety and the metal ion. Photoluminescence studies were conducted in solid and solution phases, revealing excellent luminescence properties. The bright green color emitted by the complexes upon exposure to UV rays was attributed to the hypersensitive 5D47F5 transition. J-O analysis indicated an asymmetrical coordination environment around in the complexes. Additionally, various radiative properties (Ared, Anred, η, βexp, σs) and band gap values were determined, highlighting the potential applications of these complexes in diverse optoelectronic fields. Chromaticity evaluation demonstrated high color purity in both solid and solution phases. Furthermore, the CCT value identified the solid complexes as a cool light source. Overall, the analyses supported the exceptional luminosity of synthesized complexes, positioning them as promising luminescent materials for a wide range of devices.

研究含 Tb (III) 的氟喹啉在光电设备中的发光现象。
本研究提出了一系列六种鲜艳的绿色锑(III)配合物,用通式[Tb(L)3.次敏化剂]表示,其中 L 代表 1-环丙基-7-(4-乙基哌嗪-1-基)-6-氟-4-氧代喹啉-3-羧酸,次敏化剂由杂环 N-供体芳香系统组成。这些配合物是通过溶剂辅助研磨法合成的,其表征涉及 CHN 分析、傅立叶变换红外光谱、核磁共振、紫外光谱、XRD 和近红外光谱等多种技术。这些分析证实成功合成了喹啉分子与金属离子配位的配合物。在固体和溶液中进行了光致发光研究,结果表明该复合物具有优异的发光特性。络合物在紫外线照射下发出的亮绿色归因于超敏 5D4 → 7F5 转变。J-O 分析表明,复合物周围存在不对称的配位环境。此外,还测定了这些复合物的各种辐射特性(Ared、Anred、η、βexp、σs)和带隙值,凸显了它们在各种光电领域的潜在应用。色度评估表明,固相和溶液相的颜色纯度都很高。此外,CCT 值确定固体复合物为冷光源。总之,分析结果表明,合成的复合物具有卓越的发光性能,有望成为多种设备的发光材料。
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来源期刊
Journal of Fluorescence
Journal of Fluorescence 化学-分析化学
CiteScore
4.60
自引率
7.40%
发文量
203
审稿时长
5.4 months
期刊介绍: Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.
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