Synthesis and Characterization of Lantanum Metal Organic Frameworks and Their Potential as Metal Cations and Oxo-Anions Sensor

DOI

10.2991/978-94-6463-130-2_12How to use a DOI?

Keywords

Oxoanions; Metal Cations; La-NDC; Metal Organic Frameworks

Abstract

This research investigates the synthesis and characterization of La-NDC/La-BDC MOF using FTIR, XRD, SEM, and the electronic response of those MOFs to metal ions and oxoanions at the UV-Vis range. This research was conducted in February-June 2022 at the Laboratory of Basic Science, Faculty of Education and Faculty of Science, University of Bengkulu, and Laboratory of Bandung Institute of Technology. MOF was synthesized using the solvothermal method from lanthanum nitrate salt (La(NO₃)₃.6 H₂O) with 2,6-naphthalenedicarboxylic acid (NDC) and Benzene-1,4-dicarboxylic acid (BDC) as ligands and dimethylacetamine (DMA) as a solvent. The reaction was carried out at temperatures 120, 130, and 150 ℃ for 24 h. The result showed that La-NDC MOF had been obtained in the form of yellowish crystals from a reaction at temperatures 120 and 130 ℃; brownish-colored crystals from a reaction at a temperature of 150 ℃; and yellowish crystals from the reaction at all temperatures. The FTIR test on crystals demonstrated no wavenumber at 2500 cm⁻¹ (characteristics of -OH functional groups). In addition, the absorption peak of C = O was shifted from the standard peak. This indicates that the synthesized La-NDC and La-BDC have coordination bonds between La³⁺ ions and NDC or BDC ligands. The results of the XRD test on crystals indicated a high level of crystallinity. Meanwhile, the SEM test showed that the synthesized crystals had a morphological size that was not uniform for La-NDC and a rod-like form for La-BDC. The La-NDC response test to oxoanions exhibited a new peak at a wavelength of 328 nm–368 nm indicating La-NDC MOF has the potential to be used as a sensor. Besides, La-BDC was shown to be selective toward Fe³⁺ and Al³⁺ ions.

Copyright

© 2023 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Sura Menda Ginting
AU  - Dewi Handayani
AU  - Rina Elvia
AU  - Intan Dwi Lestari
AU  - Uli Rosidah
PY  - 2023
DA  - 2023/04/14
TI  - Synthesis and Characterization of Lantanum Metal Organic Frameworks and Their Potential as Metal Cations and Oxo-Anions Sensor
BT  - Proceedings of the 1st Nusa Tenggara International Conference on Chemistry (NITRIC 2022)
PB  - Atlantis Press
SP  - 97
EP  - 106
SN  - 2590-3195
UR  - https://doi.org/10.2991/978-94-6463-130-2_12
DO  - 10.2991/978-94-6463-130-2_12
ID  - Ginting2023
ER  -