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Structure-directing role of immobilized polyoxometalates in the synthesis of porphyrinic Zr-based metal–organic frameworks
Résumé : We evidence the structure-directing role of the PW12O403-polyoxometalate in the synthesis of porphyrinicMOFswhereby it promotes the formation of the kinetic topology. Its immobilization into the MOF is successfully achieved at high temperature yielding the kinetic MOF-525/PCN-224 phases, while prohibiting the formation of the thermodynamic MOF-545 product. A combined experimental and theoretical approach uses differential PDF and DFT calculations along with solid-state NMRto show the structural integrity of the hosted POM andits location in the vicinity of the Zr-based nodes.
Cited literature [27 references]
https://hal.archives-ouvertes.fr/hal-02945355
Contributor : Anne Dolbecq <>
Submitted on : Monday, September 28, 2020 - 9:32:38 AM
Last modification on : Thursday, January 7, 2021 - 4:36:05 PM
Long-term archiving on: : Friday, December 4, 2020 - 7:44:53 PM
Contributor : Anne Dolbecq <>
Submitted on : Monday, September 28, 2020 - 9:32:38 AM
Last modification on : Thursday, January 7, 2021 - 4:36:05 PM
Long-term archiving on: : Friday, December 4, 2020 - 7:44:53 PM
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postprintPOMatMOF525.pdf
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