Room Temperature Synthesis of Covalent–Organic Framework Films through Vapor-Assisted Conversion

We describe the facile synthesis of several two-dimensional covalent–organic frameworks (2D COFs) as films by vapor-assisted conversion at room temperature. High-quality films of benzodithiophene-containing BDT-COF and COF-5 with tunable thickness were synthesized under different conditions on vario...

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Bibliographic Details
Published inJournal of the American Chemical Society Vol. 137; no. 3; pp. 1016 - 1019
Main Authors Medina, Dana D, Rotter, Julian M, Hu, Yinghong, Dogru, Mirjam, Werner, Veronika, Auras, Florian, Markiewicz, John T, Knochel, Paul, Bein, Thomas
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 28.01.2015
Subjects
ambient temperature
Communication
Conversion
Covalence
Micrometers
Porosity
Precursors
Solvents
Synthesis
Two dimensional
vapors
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Summary:We describe the facile synthesis of several two-dimensional covalent–organic frameworks (2D COFs) as films by vapor-assisted conversion at room temperature. High-quality films of benzodithiophene-containing BDT-COF and COF-5 with tunable thickness were synthesized under different conditions on various substrates. BDT-COF films of several micrometer thickness exhibit mesoporosity as well as textural porosity, whereas thinner BDT-COF films materialize as a cohesive dense layer. In addition, we studied the formation of COF-5 films with different solvent mixture compositions serving as vapor source. Room temperature vapor-assisted conversion is an excellent method to form COF films of fragile precursors and on sensitive substrates.
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ISSN:0002-7863
1520-5126
1520-5126
DOI:10.1021/ja510895m