Luminescent properties and CH 3COO - recognition of europium complexes with different phenanthroline derivatives as second ligands

Chaolong Yang; Jianxin Luo; Jianying Ma; Dongyu Zhu; Lei Miao; Yunfei Zhang; Liyan Liang; Mangeng Lu

doi:10.1016/j.synthmet.2012.05.005

Luminescent properties and CH ₃COO ^- recognition of europium complexes with different phenanthroline derivatives as second ligands

Chaolong Yang, Jianxin Luo, Jianying Ma, Dongyu Zhu, Lei Miao, Yunfei Zhang, Liyan Liang, Mangeng Lu

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Six novel europium complexes with phenanthroline derivatives as fluorescence sensor have been prepared, and their structures were characterized by FT-IR, UV-vis, ¹H NMR, ¹³C NMR, ESI-MS, and element analysis. All complexes exhibited long luminescent lifetime and high luminescent quantum efficiency (η). Among these complexes, the complex (a) exhibited the lowest luminescent quantum efficiency and shortest lifetime, which was attributed to the presence of OH oscillators in the corresponding ligand HPIP. Spectroscopic studies, including UV-vis, PL and ¹H NMR spectra, showed that these sensors exhibited striking spectra changes in response to CH ₃COO ^- due to hydrogen bonding interaction of imidazolyl NH groups, aromatic and phenanthroline ring's protons with CH ₃COO ^-. Particularly, europium complexes (e) and (f) have a remarkable color changes (from transparent to light-yellow), and hence they were convenient to detect the CH ₃COO ^- with them by naked eye in DMSO solution.

Original language	English
Pages (from-to)	1097-1106
Number of pages	10
Journal	Synthetic Metals
Volume	162
Issue number	13-14
DOIs	https://doi.org/10.1016/j.synthmet.2012.05.005
Publication status	Published - 2012 Aug
Externally published	Yes

Keywords

1,10-Phenanthroline derivatives
Anion recognition
Europium (III) complexes
Luminescent property
Quantum efficiency
Sensor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Luminescent properties and CH ₃COO ^- recognition of europium complexes with different phenanthroline derivatives as second ligands. / Yang, Chaolong; Luo, Jianxin; Ma, Jianying; Zhu, Dongyu; Miao, Lei; Zhang, Yunfei; Liang, Liyan; Lu, Mangeng.

In: Synthetic Metals, Vol. 162, No. 13-14, 08.2012, p. 1097-1106.

Research output: Contribution to journal › Article › peer-review

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title = "Luminescent properties and CH 3COO - recognition of europium complexes with different phenanthroline derivatives as second ligands",

abstract = "Six novel europium complexes with phenanthroline derivatives as fluorescence sensor have been prepared, and their structures were characterized by FT-IR, UV-vis, 1H NMR, 13C NMR, ESI-MS, and element analysis. All complexes exhibited long luminescent lifetime and high luminescent quantum efficiency (η). Among these complexes, the complex (a) exhibited the lowest luminescent quantum efficiency and shortest lifetime, which was attributed to the presence of OH oscillators in the corresponding ligand HPIP. Spectroscopic studies, including UV-vis, PL and 1H NMR spectra, showed that these sensors exhibited striking spectra changes in response to CH 3COO - due to hydrogen bonding interaction of imidazolyl NH groups, aromatic and phenanthroline ring's protons with CH 3COO -. Particularly, europium complexes (e) and (f) have a remarkable color changes (from transparent to light-yellow), and hence they were convenient to detect the CH 3COO - with them by naked eye in DMSO solution.",

keywords = "1,10-Phenanthroline derivatives, Anion recognition, Europium (III) complexes, Luminescent property, Quantum efficiency, Sensor",

author = "Chaolong Yang and Jianxin Luo and Jianying Ma and Dongyu Zhu and Lei Miao and Yunfei Zhang and Liyan Liang and Mangeng Lu",

year = "2012",

month = aug,

doi = "10.1016/j.synthmet.2012.05.005",

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AU - Yang, Chaolong

AU - Luo, Jianxin

AU - Ma, Jianying

AU - Zhu, Dongyu

AU - Miao, Lei

AU - Zhang, Yunfei

AU - Liang, Liyan

AU - Lu, Mangeng

PY - 2012/8

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N2 - Six novel europium complexes with phenanthroline derivatives as fluorescence sensor have been prepared, and their structures were characterized by FT-IR, UV-vis, 1H NMR, 13C NMR, ESI-MS, and element analysis. All complexes exhibited long luminescent lifetime and high luminescent quantum efficiency (η). Among these complexes, the complex (a) exhibited the lowest luminescent quantum efficiency and shortest lifetime, which was attributed to the presence of OH oscillators in the corresponding ligand HPIP. Spectroscopic studies, including UV-vis, PL and 1H NMR spectra, showed that these sensors exhibited striking spectra changes in response to CH 3COO - due to hydrogen bonding interaction of imidazolyl NH groups, aromatic and phenanthroline ring's protons with CH 3COO -. Particularly, europium complexes (e) and (f) have a remarkable color changes (from transparent to light-yellow), and hence they were convenient to detect the CH 3COO - with them by naked eye in DMSO solution.

AB - Six novel europium complexes with phenanthroline derivatives as fluorescence sensor have been prepared, and their structures were characterized by FT-IR, UV-vis, 1H NMR, 13C NMR, ESI-MS, and element analysis. All complexes exhibited long luminescent lifetime and high luminescent quantum efficiency (η). Among these complexes, the complex (a) exhibited the lowest luminescent quantum efficiency and shortest lifetime, which was attributed to the presence of OH oscillators in the corresponding ligand HPIP. Spectroscopic studies, including UV-vis, PL and 1H NMR spectra, showed that these sensors exhibited striking spectra changes in response to CH 3COO - due to hydrogen bonding interaction of imidazolyl NH groups, aromatic and phenanthroline ring's protons with CH 3COO -. Particularly, europium complexes (e) and (f) have a remarkable color changes (from transparent to light-yellow), and hence they were convenient to detect the CH 3COO - with them by naked eye in DMSO solution.

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KW - Quantum efficiency

KW - Sensor

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