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Issue 23, 2016
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From benzodithiophene to diethoxy-benzodithiophene covalent organic frameworks – structural investigations

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Abstract

The incorporation of side groups into a covalent organic framework (COF) backbone can be of significant importance for developing new frameworks with enhanced properties. Here we present a novel π-stacked thiophene-based COF containing a benzodithiophene building unit modified with ethoxy side chains. The resulting BDT-OEt COF is a crystalline mesoporous material featuring high surface area and accessible hexagonal pores. We further synthesized a series of COFs containing both BDT and BDT-OEt building units at different ratios. The impact of the gradual incorporation of the BDT-OEt building units into the COF backbone on the crystallinity and porosity was investigated. Furthermore, molecular dynamic simulations shed light on the possible processes governing the COF assembly from molecular building blocks.

Graphical abstract: From benzodithiophene to diethoxy-benzodithiophene covalent organic frameworks – structural investigations

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Publication details

The article was received on 24 Jan 2016, accepted on 09 Mar 2016 and first published on 10 Mar 2016


Article type: Paper
DOI: 10.1039/C6CE00193A
Citation: CrystEngComm, 2016,18, 4295-4302
  • Open access: Creative Commons BY-NC license
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    From benzodithiophene to diethoxy-benzodithiophene covalent organic frameworks – structural investigations

    M. S. Lohse, J. M. Rotter, J. T. Margraf, V. Werner, M. Becker, S. Herbert, P. Knochel, T. Clark, T. Bein and D. D. Medina, CrystEngComm, 2016, 18, 4295
    DOI: 10.1039/C6CE00193A

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