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基于咪唑-联苯-羧酸盐配体的新型镧系（III）配合物：合成、结构及发光性质

Novel Lanthanide (III) Complexes Derived from an Imidazole-Biphenyl-Carboxylate Ligand: Synthesis, Structure and Luminescence Properties.

作者信息

Sardaru Monica-Cornelia, Marangoci Narcisa Laura, Shova Sergiu, Bejan Dana

机构信息

Centre of Advanced Research in Bionanoconjugates and Biopolymers, "Petru Poni" Institute of Macromolecular Chemistry, Romanian Academy, Gr. Ghica Voda Alley, 700487 Iasi, Romania.

Department of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, Romanian Academy, Gr. Ghica Voda Alley, 700487 Iasi, Romania.

出版信息

Molecules. 2021 Nov 17;26(22):6942. doi: 10.3390/molecules26226942.

DOI:10.3390/molecules26226942
PMID:34834036
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8625298/
Abstract

A series of neutral mononuclear lanthanide complexes (Ln = La, Ce, Nd, Eu, Gd, Dy, Ho) with rigid bidentate ligand, HL (4'-(1-imidazol-1-yl)biphenyl-4-carboxylic acid) were synthesized under solvothermal conditions. The coordination compounds have been characterized by infrared spectroscopy, thermogravimetry, powder X-ray diffraction and elemental analysis. According to X-ray diffraction, all the complexes are a series of isostructural compounds crystallized in the monoclinic space group. Additionally, solid-state luminescence measurements of all complexes show that complex displays the characteristic emission peaks of Eu(III) ion at 593, 597, 615, and 651 nm.

摘要

在溶剂热条件下合成了一系列具有刚性双齿配体HL（4'-（1-咪唑-1-基）联苯-4-羧酸）的中性单核镧系配合物（Ln = La、Ce、Nd、Eu、Gd、Dy、Ho）。通过红外光谱、热重分析、粉末X射线衍射和元素分析对这些配位化合物进行了表征。根据X射线衍射，所有配合物都是在单斜空间群中结晶的一系列同构化合物。此外，所有配合物的固态发光测量表明，该配合物在593、597、615和651 nm处显示出Eu(III)离子的特征发射峰。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/619b9f39606e/molecules-26-06942-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/da32985076fd/molecules-26-06942-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/c57cd579029e/molecules-26-06942-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/ba13f50bbd89/molecules-26-06942-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/14c66ff2e4dc/molecules-26-06942-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/b17e13889b7d/molecules-26-06942-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/c06acc4ef44b/molecules-26-06942-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/33d695c36889/molecules-26-06942-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/619b9f39606e/molecules-26-06942-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/da32985076fd/molecules-26-06942-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/c57cd579029e/molecules-26-06942-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/ba13f50bbd89/molecules-26-06942-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/14c66ff2e4dc/molecules-26-06942-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/b17e13889b7d/molecules-26-06942-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/c06acc4ef44b/molecules-26-06942-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/33d695c36889/molecules-26-06942-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/154f/8625298/619b9f39606e/molecules-26-06942-g007.jpg

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