A porous fluorinated organic [4+4] imine cage showing CO2 and H2 adsorption†
Tom
Kunde, 
a
Esther
Nieland,
a
Hendrik V.
Schröder,
‡b
Christoph A.
Schalley
b
and
Bernd M.
Schmidt
*a
a
Esther
Nieland,
a
Hendrik V.
Schröder,
‡b
Christoph A.
Schalley
b
and
Bernd M.
Schmidt
*a
Abstract
We present the synthesis of a porous, organic [4+4] imine cage containing perfluorinated aromatic panels. Gas adsorption experiments show an uptake of 19.0 wt% CO2 (4.2 mmol g−1, 273 K and at 1 bar) and 1.5 wt% H2 (7.5 mmol g−1, 77 K and at 1 bar) for the specific surface area of 536 m2 g−1 of the crystalline material obtained directly from the reaction mixture, combined with an outstanding thermal stability, making it a very interesting porous material suitable for gas adsorption.
![Graphical abstract: A porous fluorinated organic [4+4] imine cage showing CO2 and H2 adsorption](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D0CC01872D&imageInfo.ImageIdentifier.Year=2020)
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