Search

Your search keyword '"Guilard, Roger"' showing total 11 results
Start Over Author "Guilard, Roger" Journal chemistry - a european journal
11 results on '"Guilard, Roger"'

11. Selective CO2Adsorption by a Triazacyclononane‐Bridged Microporous Metal–Organic Framework

Author

Ortiz, Guillaume, Brandès, Stéphane, Rousselin, Yoann, and Guilard, Roger

Abstract

Metal–organic frameworks constructed by self‐assembly of metal ions and organic linkers have recently been of great interest in the preparation of porous hybrid materials with a wide variety of functions. Despite much research in this area and the large choice of building blocks used to fine‐tune pore size and structure, it remains a challenge to synthesise frameworks composed of polyamines to tailor the porosity and adsorption properties for CO2. Herein, we describe a rigid and microporous three‐dimensional metal–organic framework with the formula [Zn2(L)(H2O)]Cl (L=1,4,7‐tris(4‐carboxybenzyl)‐1,4,7‐triazacyclononane) synthesised in a one‐pot solvothermal reaction between zinc ions and a flexible cyclic polyaminocarboxylate. We have demonstrated, for the first time, that a porous rigid framework can be obtained by starting from a flexible amine building block. Sorption measurements revealed that the material exhibited a high surface area (1350 m2g−1) and was the best compromise between capacity and selectivity for CO2over CO, CH4, N2and O2; as such it is a promising new selective adsorbent for CO2capture.

Published
2011
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results