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@article{8f1b18ef975c43fe8413fbca6f3562fd,
title = "Ultrasound-assisted synthesis of luminescent micro-and nanocrystalline eu-based mofs as luminescent probes for heavy metal ions",
abstract = "The luminescent coarse-, micro-and nanocrystalline europium(III) terephthalate tetrahy-drate (Eu2bdc3‧4H2O) metal-organic frameworks were synthesized by the ultrasound-assisted wet-chemical method. Electron micrographs show that the europium(III) terephthalate microparticles are 7 μm long leaf-like plates. According to the dynamic light scattering technique, the average size of the Eu2bdc3‧4H2O nanoparticles is equal to about 8 ± 2 nm. Thereby, the reported Eu2bdc3‧4H2O nanoparticles are the smallest nanosized rare-earth-based MOF crystals, to the best of our knowledge. The synthesized materials demonstrate red emission due to the5D0–7FJ transitions of Eu3+ upon 250 nm excitation into1ππ* state of the terephthalate ion. Size reduction results in broad-ened emission bands, an increase in the non-radiative rate constants and a decrease in both the quantum efficiency of the5D0 level and Eu3+ and the luminescence quantum yields. Cu2+, Cr3+, and Fe3+ ions efficiently and selectively quench the luminescence of nanocrystalline europium(III) ter-ephthalate, which makes it a prospective material for luminescent probes to monitor these ions in waste and drinking water.",
keywords = "Europium, Luminescence, Luminescent probe, Metal-organic framework, Nanoparticle, Rare earth, FE(III), luminescent probe, PROTON CONDUCTIVITY, SORPTION, nanoparticle, SENSOR, metal-organic framework, luminescence, europium, FE3+, rare earth, ORGANIC FRAMEWORK, FLUORESCENT-PROBE, BASIC PYRIDYL SITES",
author = "Kolesnik, {Stefaniia S.} and Nosov, {Viktor G.} and Kolesnikov, {Ilya E.} and Khairullina, {Evgenia M.} and Tumkin, {Ilya I.} and Vidyakina, {Aleksandra A.} and Sysoeva, {Alevtina A.} and Ryazantsev, {Mikhail N.} and Panov, {Maxim S.} and Khripun, {Vasiliy D.} and Bogachev, {Nikita A.} and Skripkin, {Mikhail Yu} and Mereshchenko, {Andrey S.}",
note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",
year = "2021",
month = sep,
day = "20",
doi = "10.3390/nano11092448",
language = "English",
volume = "11",
journal = "Nanomaterials",
issn = "2079-4991",
publisher = "MDPI AG",
number = "9",

}

RIS

TY - JOUR

T1 - Ultrasound-assisted synthesis of luminescent micro-and nanocrystalline eu-based mofs as luminescent probes for heavy metal ions

AU - Kolesnik, Stefaniia S.

AU - Nosov, Viktor G.

AU - Kolesnikov, Ilya E.

AU - Khairullina, Evgenia M.

AU - Tumkin, Ilya I.

AU - Vidyakina, Aleksandra A.

AU - Sysoeva, Alevtina A.

AU - Ryazantsev, Mikhail N.

AU - Panov, Maxim S.

AU - Khripun, Vasiliy D.

AU - Bogachev, Nikita A.

AU - Skripkin, Mikhail Yu

AU - Mereshchenko, Andrey S.

N1 - Publisher Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

PY - 2021/9/20

Y1 - 2021/9/20

N2 - The luminescent coarse-, micro-and nanocrystalline europium(III) terephthalate tetrahy-drate (Eu2bdc3‧4H2O) metal-organic frameworks were synthesized by the ultrasound-assisted wet-chemical method. Electron micrographs show that the europium(III) terephthalate microparticles are 7 μm long leaf-like plates. According to the dynamic light scattering technique, the average size of the Eu2bdc3‧4H2O nanoparticles is equal to about 8 ± 2 nm. Thereby, the reported Eu2bdc3‧4H2O nanoparticles are the smallest nanosized rare-earth-based MOF crystals, to the best of our knowledge. The synthesized materials demonstrate red emission due to the5D0–7FJ transitions of Eu3+ upon 250 nm excitation into1ππ* state of the terephthalate ion. Size reduction results in broad-ened emission bands, an increase in the non-radiative rate constants and a decrease in both the quantum efficiency of the5D0 level and Eu3+ and the luminescence quantum yields. Cu2+, Cr3+, and Fe3+ ions efficiently and selectively quench the luminescence of nanocrystalline europium(III) ter-ephthalate, which makes it a prospective material for luminescent probes to monitor these ions in waste and drinking water.

AB - The luminescent coarse-, micro-and nanocrystalline europium(III) terephthalate tetrahy-drate (Eu2bdc3‧4H2O) metal-organic frameworks were synthesized by the ultrasound-assisted wet-chemical method. Electron micrographs show that the europium(III) terephthalate microparticles are 7 μm long leaf-like plates. According to the dynamic light scattering technique, the average size of the Eu2bdc3‧4H2O nanoparticles is equal to about 8 ± 2 nm. Thereby, the reported Eu2bdc3‧4H2O nanoparticles are the smallest nanosized rare-earth-based MOF crystals, to the best of our knowledge. The synthesized materials demonstrate red emission due to the5D0–7FJ transitions of Eu3+ upon 250 nm excitation into1ππ* state of the terephthalate ion. Size reduction results in broad-ened emission bands, an increase in the non-radiative rate constants and a decrease in both the quantum efficiency of the5D0 level and Eu3+ and the luminescence quantum yields. Cu2+, Cr3+, and Fe3+ ions efficiently and selectively quench the luminescence of nanocrystalline europium(III) ter-ephthalate, which makes it a prospective material for luminescent probes to monitor these ions in waste and drinking water.

KW - Europium

KW - Luminescence

KW - Luminescent probe

KW - Metal-organic framework

KW - Nanoparticle

KW - Rare earth

KW - FE(III)

KW - luminescent probe

KW - PROTON CONDUCTIVITY

KW - SORPTION

KW - nanoparticle

KW - SENSOR

KW - metal-organic framework

KW - luminescence

KW - europium

KW - FE3+

KW - rare earth

KW - ORGANIC FRAMEWORK

KW - FLUORESCENT-PROBE

KW - BASIC PYRIDYL SITES

UR - http://www.scopus.com/inward/record.url?scp=85115155423&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/ded51a6e-e242-3fcf-80f9-cb3c55ac6370/

U2 - 10.3390/nano11092448

DO - 10.3390/nano11092448

M3 - Article

AN - SCOPUS:85115155423

VL - 11

JO - Nanomaterials

JF - Nanomaterials

SN - 2079-4991

IS - 9

M1 - 2448

ER -

ID: 86366136