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Direct synthesis of carbide-derived carbon monoliths with hierarchical pore design by hard-templating

 
: Nickel, Winfried; Oschatz, Martin; Lehr, Martin von der; Leistner, Matthias; Hao, Guangping; Adelhelm, Philipp; Müller, Philipp; Smarsly, Bernd; Kaskel, Stefan

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Journal of materials chemistry. A, Materials for energy and sustainability 2 (2014), No.32, pp.12703-12707
ISSN: 2050-7488
ISSN: 2050-7496
English
Journal Article
Fraunhofer IWS ()
carbon; microporous materials; polysilanes; direct synthesis; polycarbosilanes

Abstract
Carbide-derived carbon Monoliths (CDC-Ms) containing a multimodal arrangement with high volumes of micro- meso- and macropores are prepared by direct nanocasting of silica monoliths with polycarbosilane precursors. CDC-Ms show well-defined pore structures along with specific surface areas of more than 2600 m2 g-1 and overall pore volumes as high as 3.14 cm3 g-1. They exhibit advanced gas filtration properties compared to purely microporous materials due to enhanced storage capacities and kinetics as demonstrated by thermal response measurements based on InfraSORP technology.

: http://publica.fraunhofer.de/documents/N-303891.html