PH-modulated formation of uniform MOF-5 sheets

We report on a controlled synthesis of uniform MOF-5 sheets. The MOF sheets were solvothermally synthesized in a basic reaction medium in the presence of polyvinylpyrrolidone (PVP). Systematical investigation on the synthetic parameters revealed a pH-modulated mechanism for the formation of sheet-li...

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Bibliographic Details
Published in:Inorganic chemistry communications 2018-11, Vol.97, p.30-33
Main Authors: Lv, Yuan, Wang, Sixia, Zhang, Rui, Zhang, Danrui, Yu, Huijun, Lu, Guang
Format: Article
Language:English
Subjects:
Metal-organic framework
Microporous materials
Modulated synthesis
MOF-5
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Summary:We report on a controlled synthesis of uniform MOF-5 sheets. The MOF sheets were solvothermally synthesized in a basic reaction medium in the presence of polyvinylpyrrolidone (PVP). Systematical investigation on the synthetic parameters revealed a pH-modulated mechanism for the formation of sheet-like morphology of MOF-5 crystals and a PVP-promoted shape evolution of the well-defined square sheets with uniform length and thickness. A pH-modulated synthesis method was reported to prepare uniform MOF-5 square sheets. [Display omitted] •Uniform MOF-5 square sheets were synthesized.•The formation of MOF-5 sheets involved a cube-to-sheet solvothermal morphology transformation.•A pH-modulated mechanism was proposed for the formation of MOF-5 sheets.
ISSN:1387-7003
1879-0259
DOI:10.1016/j.inoche.2018.09.003