Issue 65, 2020

Two Ln-based metal–organic frameworks based on the 5-(1H-1,2,4-triazol-1-yl)-1,3-benzenedicarboxylic acid ligand: syntheses, structures, and photocatalytic properties

Abstract

Two new metal–organic frameworks (MOFs) having the formula [Ln2(H2O)3(L)3·3H2O]n (Ln = Sm for MOF-Sm and Tb for MOF-Tb) have been synthesized solvothermally by reacting LnCl3·6H2O with 5-(1H-1,2,4-triazol-1-yl)-1,3-benzenedicarboxylic acid (H2L) and characterized. Single crystal X-ray analyses for MOF-Sm and MOF-Tb revealed that both MOFs are isostructural and display a (6,8)-connected 3D structure with a point symbol of (35·44·66)(35·46·517). The natures of weak interactions existing in both MOFs have been assessed using Hirshfeld surface analyses and fingerprint plots. The utility of MOF-Sm as a photocatalyst for the safe photodegradation of the model aromatic dye methyl violet (MV) is also checked. The photocatalysis results showed that MOF-Sm offers reasonable photocatalytic degradation of this dye. The plausible photocatalytic mechanism of MOF-Sm aided photocatalysis has been explained with the help of band gap calculations using density of states (DOS) and partial DOS plots.

Graphical abstract: Two Ln-based metal–organic frameworks based on the 5-(1H-1,2,4-triazol-1-yl)-1,3-benzenedicarboxylic acid ligand: syntheses, structures, and photocatalytic properties

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Article information

Article type
Paper
Submitted
20 Aug 2020
Accepted
28 Sep 2020
First published
30 Oct 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 39771-39778

Two Ln-based metal–organic frameworks based on the 5-(1H-1,2,4-triazol-1-yl)-1,3-benzenedicarboxylic acid ligand: syntheses, structures, and photocatalytic properties

F. Yuan, C. Yuan, B. Cao, Y. Di, S. Wang, M. Liu, A. Kumar, C. Shi and Mohd. Muddassir, RSC Adv., 2020, 10, 39771 DOI: 10.1039/D0RA07159E

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