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- Title
Dicarboxylate‐Induced Structural Diversity of Luminescent Zn(II)/Cd(II) Metal–Organic Frameworks Based on the 2,5‐Bis(4‐pyridyl)thiazolo[5,4‐d]thiazole Ligand.
- Authors
Zhai, Zhi‐Wei; Yang, Shuang‐Hua; Luo, Peng; Li, Lin‐Ke; Du, Chen‐Xia; Zang, Shuang‐Quan
- Abstract
Constructed from rigid 2,5‐bis(4‐pyridyl)thiazolo[5,4‐d]thiazole (Py2TTz) and various dicarboxylic acids [2‐methyl‐1,4‐benzenedicarboxylic acid (2‐CH3‐H2BDC), 5‐methyl‐1,3‐benzenedicarboxylic acid (5‐CH3‐H2BDC), 2,5‐dimethyl‐1,4‐benzenedicarboxylic acid (2,5‐di‐CH3‐H2BDC), 2,5‐dihydroxyl‐1,4‐benzenedicarboxylic acid (2,5‐di‐OH‐H2BDC), 1,4‐naphthalenedicarboxylic acid (1,4‐H2NDC), and 2,6‐naphthalenedicarboxylic acid (2,6‐H2NDC)], nine novel Zn(II)/Cd(II) MOFs have been synthesized under solvothermal conditions. They possess diverse structures, which mainly result from the different shapes and sizes of the auxiliary dicarboxylate ligands. Linear dicarboxylate ligands (2‐CH3‐BDC, 2,5‐di‐CH3‐BDC, 1,4‐NDC, 2,6‐NDC) generate 3D multi‐fold interpenetrated structures, while the V‐shaped dicarboxylate ligand (5‐CH3‐BDC) affords a 2D layer structure. However, linear 2,5‐di‐OH‐BDC results in a 2D layer structure owing to the influence of the hydroxy group. Luminescence properties of compounds 1–9 have been investigated systematically. They display structure‐dependent emission ranging from blue to blue‐white and blue‐green.
- Subjects
THIAZOLES; METAL-organic frameworks; DICARBOXYLIC acids; LUMINESCENCE; LIGANDS (Chemistry)
- Publication
European Journal of Inorganic Chemistry, 2019, Vol 2019, Issue 22, p2725
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.201900259