New soft porous frameworks based on lambda-zirconium phosphate and aliphatic dicarboxylates: Synthesis and structural characterization |
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| Institution: | 1. Department of Chemistry, Faculty of Science, Al-Azhar University–Gaza, 1277 Gaza, Palestine;2. Departamento de Química Orgánica, Facultad de Ciencias C-I-602, Universidad Autónoma de Madrid, 28049 Madrid, Spain;1. Department of Biotechnology, University of Turku, Tykistökatu 6 A 6th Floor, 20520 Turku, Finland;2. Department of Organic Chemistry, Autonomous University of Madrid, 28079 Madrid, Spain;1. Department of Chemistry, Faculty of Science, Al Azhar University-Gaza, Gaza City, 1277, Palestine Seccion de Ingeniería Química, Departamento de Química Física Aplicada, Universidad Autónoma de Madrid, Ctra. Colmenar Km, 15, Madrid 28049, Spain;2. Departamento de Química Física Aplicada, Universidad Autónoma de Madrid, Ctra. Colmenar Km, 15, Madrid, 28049, Spain;3. Department of Chemistry, Faculty of Science, King Abdulaziz University, P.O. Box 42805, Jeddah 21589, Saudi Arabia;1. Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz 51665-163, Iran;2. Phosphor Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia;3. Advanced Optical Materials Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia |
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| Abstract: | New dicarboxylate-functionalized pillared materials with a general formula of λ-ZrPO4(OH)1-x(OOC(CH2)nCOO)x/2(dmso) (n=6, 8 and 10) have been prepared by post-synthesis modification of the inorganic layers of λ-zirconium phosphate (λ-ZrP), where the superficial Chloride monovalent anionic ligands of λ-layer are partially exchanged with the divalent anionic ligands of a series of long-chain aliphatic dicarboxylic acids, namely octanedioic acid, decanedioic acid and dodecanedioic acid. The synthesized materials are characterized by X-ray diffractometry, FT-IR spectrophotometry, elemental and thermogravimetric analyses. The X-ray diffraction patterns show that the obtained solid phases are pure. Furthermore, the interlayer distance of λ-ZrP systematically increases from 1.02 to 1.59 nm as a result of the incorporation of the mentioned acids inside the interlayer gallery. |
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| Keywords: | A microporous materials B chemical synthesis C thermogravimetric analysis (TGA) D X-ray diffraction E phase transitions |
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