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Salt Templating with Pore Padding: Hierarchical Pore Tailoring towards Functionalised Porous Carbons.
- Source :
- ChemSusChem; 1/10/2017, Vol. 10 Issue 1, p199-209, 11p
- Publication Year :
- 2017
-
Abstract
- We propose a new synthetic route towards nanoporous functional carbon materials based on salt templating with pore-padding approach (STPP). STPP relies on the use of a pore-padding agent that undergoes an initial polymerisation/ condensation process prior to the formation of a solid carbon framework. The pore-padding agent allows tailoring hierarchically the pore-size distribution and controlling the amount of heteroatom (nitrogen in this case) functionalities as well as the type of nitrogen (graphitic, pyridinic, oxides of nitrogen) incorporated within the carbon framework in a single-step-process. Our newly developed STPP method offers a unique pathway and new design principle to create simultaneously high surface area, microporosity, functionality and pore hierarchy. The functional carbon materials produced by STPP showed a remarkable CO<subscript>2</subscript>/N<subscript>2</subscript> selectivity. At 273 K, a carbon with only micropores offered an exceptionally high CO<subscript>2</subscript> adsorption capacity whereas a carbon with only mesopores showed promising CO<subscript>2</subscript>-philicity with high CO<subscript>2</subscript>/N<subscript>2</subscript> selectivity in the range of 46-60 %, making them excellent candidates for CO<subscript>2</subscript> capture from flue gas or for CO<subscript>2</subscript> storage. [ABSTRACT FROM AUTHOR]
- Subjects :
- POROUS materials
POROSITY
PORE fluids
CARBON foams
POROUS metals
Subjects
Details
- Language :
- English
- ISSN :
- 18645631
- Volume :
- 10
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- ChemSusChem
- Publication Type :
- Academic Journal
- Accession number :
- 120689292
- Full Text :
- https://doi.org/10.1002/cssc.201601195