Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations

Since the first studies of luminescent sensors based on metal organic frameworks (MOFs) about ten years ago, there has been an increased interest in the development of specific sensors towards cations, anions, explosives, small molecules, solvents, etc. However, the detection of toxic compounds rela...

Descripción completa

Guardado en:
Detalles Bibliográficos
Publicado: 2019
Materias:
lanthanides
luminescence
metal organic frameworks (MOFs)
sensing
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14248220_v19_n5_p_Gomez
http://hdl.handle.net/20.500.12110/paper_14248220_v19_n5_p_Gomez
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_14248220_v19_n5_p_Gomez
record_format dspace
spelling paper:paper_14248220_v19_n5_p_Gomez2023-06-08T16:13:59Z Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations lanthanides luminescence metal organic frameworks (MOFs) sensing Since the first studies of luminescent sensors based on metal organic frameworks (MOFs) about ten years ago, there has been an increased interest in the development of specific sensors towards cations, anions, explosives, small molecules, solvents, etc. However, the detection of toxic compounds related to agro-industry and nuclear activity is noticeably scarce or even non-existent. In this work, we report the synthesis and characterization of luminescent lanthanide-based MOFs (Ln-MOFs) with diverse crystalline architectures obtained by solvothermal methods. The luminescent properties of the lanthanides, and the hypersensitive transitions of Eu3+ (⁵D₀→⁷F₂) and Tb3+ (⁵D₄→⁷F₅) intrinsically found in the obtained MOFs in particular, were evaluated and employed as chemical sensors for agrochemical and cationic species. The limit of detection (LOD) of Tb-PSA MOFs (PSA = 2-phenylsuccinate) was 2.9 ppm for [UO₂2+] and 5.6 ppm for [Cu2+]. The variations of the 4f⁻4f spectral lines and the quenching/enhancement effects of the Ln-MOFs in the presence of the analytes were fully analyzed and discussed in terms of a combinatorial "host⁻guest" vibrational and "in-silico" interaction studies. 2019 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14248220_v19_n5_p_Gomez http://hdl.handle.net/20.500.12110/paper_14248220_v19_n5_p_Gomez
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic lanthanides
luminescence
metal organic frameworks (MOFs)
sensing
spellingShingle lanthanides
luminescence
metal organic frameworks (MOFs)
sensing
Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
topic_facet lanthanides
luminescence
metal organic frameworks (MOFs)
sensing
description Since the first studies of luminescent sensors based on metal organic frameworks (MOFs) about ten years ago, there has been an increased interest in the development of specific sensors towards cations, anions, explosives, small molecules, solvents, etc. However, the detection of toxic compounds related to agro-industry and nuclear activity is noticeably scarce or even non-existent. In this work, we report the synthesis and characterization of luminescent lanthanide-based MOFs (Ln-MOFs) with diverse crystalline architectures obtained by solvothermal methods. The luminescent properties of the lanthanides, and the hypersensitive transitions of Eu3+ (⁵D₀→⁷F₂) and Tb3+ (⁵D₄→⁷F₅) intrinsically found in the obtained MOFs in particular, were evaluated and employed as chemical sensors for agrochemical and cationic species. The limit of detection (LOD) of Tb-PSA MOFs (PSA = 2-phenylsuccinate) was 2.9 ppm for [UO₂2+] and 5.6 ppm for [Cu2+]. The variations of the 4f⁻4f spectral lines and the quenching/enhancement effects of the Ln-MOFs in the presence of the analytes were fully analyzed and discussed in terms of a combinatorial "host⁻guest" vibrational and "in-silico" interaction studies.
title Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
title_short Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
title_full Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
title_fullStr Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
title_full_unstemmed Luminescent Lanthanide Metal Organic Frameworks as Chemosensing Platforms towards Agrochemicals and Cations
title_sort luminescent lanthanide metal organic frameworks as chemosensing platforms towards agrochemicals and cations
publishDate 2019
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14248220_v19_n5_p_Gomez
http://hdl.handle.net/20.500.12110/paper_14248220_v19_n5_p_Gomez
_version_ 1768542282547462144

Ejemplares similares