Two novel europium (III) centered anion receptors and their naked eye detections

Chaoliang Tan; Qianming Wang

doi:10.1016/j.synthmet.2012.06.007

Two novel europium (III) centered anion receptors and their naked eye detections

Chaoliang Tan
, Qianming Wang^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

8 Citations (Scopus)

Abstract

Two novel luminescent europium (III) tris(dibenzoylmethane) (Eu(dbm)₃) with 2-indole-3-yl-imidazo [4,5-f]-1,10-phenanthroline (a) and 2-(2-nitrophenyl)-imidazo [4,5-f]-1,10-phenanthroline (b) complexes were prepared as anion receptors. It was found that Eu(dbm)₃(a), which give rise to intense yellow emission, can selectively recognize F^- and H₂PO₄^- by changing its color from yellow to green. However, Eu(dbm)₃(b) with red emission could generate luminescent quenching by F^- and H₂PO₄^-. These sensing materials were characterized by UV-vis, fluorescence and NMR, indicating that the recognition processes were attributed to the synergistic effects of hydrogen-bonding and competitive coordination interactions between the ligands and anions. © 2012 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	1416-1420
Journal	Synthetic Metals
Volume	162
Issue number	15-16
Online published	4 Jul 2012
DOIs	https://doi.org/10.1016/j.synthmet.2012.06.007
Publication status	Published - Sept 2012
Externally published	Yes

Research Keywords

Dihydrogen phosphate
Europium
Fluoride
Hydrogen bond
Luminescent
Sensor

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10.1016/j.synthmet.2012.06.007

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@article{510d415752c94c9383087c60db133fb7,

title = "Two novel europium (III) centered anion receptors and their naked eye detections",

abstract = "Two novel luminescent europium (III) tris(dibenzoylmethane) (Eu(dbm)3) with 2-indole-3-yl-imidazo [4,5-f]-1,10-phenanthroline (a) and 2-(2-nitrophenyl)-imidazo [4,5-f]-1,10-phenanthroline (b) complexes were prepared as anion receptors. It was found that Eu(dbm)3(a), which give rise to intense yellow emission, can selectively recognize F- and H2PO4- by changing its color from yellow to green. However, Eu(dbm)3(b) with red emission could generate luminescent quenching by F- and H2PO4-. These sensing materials were characterized by UV-vis, fluorescence and NMR, indicating that the recognition processes were attributed to the synergistic effects of hydrogen-bonding and competitive coordination interactions between the ligands and anions. {\textcopyright} 2012 Elsevier B.V. All rights reserved.",

keywords = "Dihydrogen phosphate, Europium, Fluoride, Hydrogen bond, Luminescent, Sensor",

author = "Chaoliang Tan and Qianming Wang",

year = "2012",

month = sep,

doi = "10.1016/j.synthmet.2012.06.007",

language = "English",

volume = "162",

pages = "1416--1420",

journal = "Synthetic Metals",

issn = "0379-6779",

publisher = "Elsevier B.V.",

number = "15-16",

}

TY - JOUR

T1 - Two novel europium (III) centered anion receptors and their naked eye detections

AU - Tan, Chaoliang

AU - Wang, Qianming

PY - 2012/9

Y1 - 2012/9

N2 - Two novel luminescent europium (III) tris(dibenzoylmethane) (Eu(dbm)3) with 2-indole-3-yl-imidazo [4,5-f]-1,10-phenanthroline (a) and 2-(2-nitrophenyl)-imidazo [4,5-f]-1,10-phenanthroline (b) complexes were prepared as anion receptors. It was found that Eu(dbm)3(a), which give rise to intense yellow emission, can selectively recognize F- and H2PO4- by changing its color from yellow to green. However, Eu(dbm)3(b) with red emission could generate luminescent quenching by F- and H2PO4-. These sensing materials were characterized by UV-vis, fluorescence and NMR, indicating that the recognition processes were attributed to the synergistic effects of hydrogen-bonding and competitive coordination interactions between the ligands and anions. © 2012 Elsevier B.V. All rights reserved.

AB - Two novel luminescent europium (III) tris(dibenzoylmethane) (Eu(dbm)3) with 2-indole-3-yl-imidazo [4,5-f]-1,10-phenanthroline (a) and 2-(2-nitrophenyl)-imidazo [4,5-f]-1,10-phenanthroline (b) complexes were prepared as anion receptors. It was found that Eu(dbm)3(a), which give rise to intense yellow emission, can selectively recognize F- and H2PO4- by changing its color from yellow to green. However, Eu(dbm)3(b) with red emission could generate luminescent quenching by F- and H2PO4-. These sensing materials were characterized by UV-vis, fluorescence and NMR, indicating that the recognition processes were attributed to the synergistic effects of hydrogen-bonding and competitive coordination interactions between the ligands and anions. © 2012 Elsevier B.V. All rights reserved.

KW - Dihydrogen phosphate

KW - Europium

KW - Fluoride

KW - Hydrogen bond

KW - Luminescent

KW - Sensor

UR - https://www.scopus.com/pages/publications/84863448675

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84863448675&origin=recordpage

U2 - 10.1016/j.synthmet.2012.06.007

DO - 10.1016/j.synthmet.2012.06.007

M3 - RGC 21 - Publication in refereed journal

SN - 0379-6779

VL - 162

SP - 1416

EP - 1420

JO - Synthetic Metals

JF - Synthetic Metals

IS - 15-16

ER -

Two novel europium (III) centered anion receptors and their naked eye detections

Abstract

Research Keywords

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