Reversible acidochromism and thermo-responsive luminescence properties of a novel Zn(II)/Eu(III) coordination polymer

Cristián Cuerva; Jesús Tapiador; Ana E. Sánchez-Peláez; M. Carmen Torralba; Ángel Gutiérrez

doi:10.1016/j.dyepig.2020.108587

Reversible acidochromism and thermo-responsive luminescence properties of a novel Zn(II)/Eu(III) coordination polymer

Cristián Cuerva, Jesús Tapiador, Ana E. Sánchez-Peláez, M. Carmen Torralba, Ángel Gutiérrez

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

9 Citations (Scopus)

Abstract

A new Zn(II)/Eu(III) compound with the N,N′-ethylenebis(5-carboxysalicylideneamino) ligand (H₄Salendc) has been synthesised and its photophysical behaviour studied. This species, [Zn(Salendc)Eu(CH₃COO)(DMSO)]·xH₂O·0.5CH₃CN (x = 3.5–4), has been characterised by XRD, XEDS and SEM and HTEM microscopies. Experimental results suggest the formation of a one-dimensional polymeric compound. The compound behaves as a luminescent material in the solid state. Moreover, it exhibits acidochromic properties upon the addition of a few drops of HCl and in the presence of its vapours. The emission intensity of the bands attributed to the Eu(III) ion can be also modulated by the temperature and by the presence of water, so that this species is a good candidate for its use as a luminescent acid, temperature and water sensor.

Original language	English
Article number	108587
Journal	Dyes and Pigments
Volume	181
DOIs	https://doi.org/10.1016/j.dyepig.2020.108587
Publication status	Published - Oct 2020

Keywords

Acidochromism
Coordination polymers
Lanthanides
Salen-type compounds
Sensors

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title = "Reversible acidochromism and thermo-responsive luminescence properties of a novel Zn(II)/Eu(III) coordination polymer",

abstract = "A new Zn(II)/Eu(III) compound with the N,N′-ethylenebis(5-carboxysalicylideneamino) ligand (H4Salendc) has been synthesised and its photophysical behaviour studied. This species, [Zn(Salendc)Eu(CH3COO)(DMSO)]·xH2O·0.5CH3CN (x = 3.5–4), has been characterised by XRD, XEDS and SEM and HTEM microscopies. Experimental results suggest the formation of a one-dimensional polymeric compound. The compound behaves as a luminescent material in the solid state. Moreover, it exhibits acidochromic properties upon the addition of a few drops of HCl and in the presence of its vapours. The emission intensity of the bands attributed to the Eu(III) ion can be also modulated by the temperature and by the presence of water, so that this species is a good candidate for its use as a luminescent acid, temperature and water sensor.",

keywords = "Acidochromism, Coordination polymers, Lanthanides, Salen-type compounds, Sensors",

author = "Cristi{\'a}n Cuerva and Jes{\'u}s Tapiador and S{\'a}nchez-Pel{\'a}ez, {Ana E.} and Torralba, {M. Carmen} and {\'A}ngel Guti{\'e}rrez",

note = "Funding Information: info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT# C. Cuerva acknowledges the Spanish Foundation Alfonso Mart{\'i}n Escudero for his postdoctoral fellowship. ",

year = "2020",

month = oct,

doi = "10.1016/j.dyepig.2020.108587",

language = "English",

volume = "181",

journal = "Dyes and Pigments",

issn = "0143-7208",

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T1 - Reversible acidochromism and thermo-responsive luminescence properties of a novel Zn(II)/Eu(III) coordination polymer

AU - Cuerva, Cristián

AU - Tapiador, Jesús

AU - Sánchez-Peláez, Ana E.

AU - Torralba, M. Carmen

AU - Gutiérrez, Ángel

N1 - Funding Information: info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT# C. Cuerva acknowledges the Spanish Foundation Alfonso Martín Escudero for his postdoctoral fellowship.

PY - 2020/10

Y1 - 2020/10

N2 - A new Zn(II)/Eu(III) compound with the N,N′-ethylenebis(5-carboxysalicylideneamino) ligand (H4Salendc) has been synthesised and its photophysical behaviour studied. This species, [Zn(Salendc)Eu(CH3COO)(DMSO)]·xH2O·0.5CH3CN (x = 3.5–4), has been characterised by XRD, XEDS and SEM and HTEM microscopies. Experimental results suggest the formation of a one-dimensional polymeric compound. The compound behaves as a luminescent material in the solid state. Moreover, it exhibits acidochromic properties upon the addition of a few drops of HCl and in the presence of its vapours. The emission intensity of the bands attributed to the Eu(III) ion can be also modulated by the temperature and by the presence of water, so that this species is a good candidate for its use as a luminescent acid, temperature and water sensor.

AB - A new Zn(II)/Eu(III) compound with the N,N′-ethylenebis(5-carboxysalicylideneamino) ligand (H4Salendc) has been synthesised and its photophysical behaviour studied. This species, [Zn(Salendc)Eu(CH3COO)(DMSO)]·xH2O·0.5CH3CN (x = 3.5–4), has been characterised by XRD, XEDS and SEM and HTEM microscopies. Experimental results suggest the formation of a one-dimensional polymeric compound. The compound behaves as a luminescent material in the solid state. Moreover, it exhibits acidochromic properties upon the addition of a few drops of HCl and in the presence of its vapours. The emission intensity of the bands attributed to the Eu(III) ion can be also modulated by the temperature and by the presence of water, so that this species is a good candidate for its use as a luminescent acid, temperature and water sensor.

KW - Acidochromism

KW - Coordination polymers

KW - Lanthanides

KW - Salen-type compounds

KW - Sensors

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DO - 10.1016/j.dyepig.2020.108587

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VL - 181

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JF - Dyes and Pigments

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ER -

Reversible acidochromism and thermo-responsive luminescence properties of a novel Zn(II)/Eu(III) coordination polymer

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