Original procedures for preparation of nanoporous carbon fibers, C-fibers, with different properties were developed. The starting material is purified cellulose, as well as different plants, which are subject to controlled carbonization under carbon dioxide with or without presence of porogens. The yield of carbonization was increased by addition of the auxiliary carbon-containing additives, which exhibit synergetic effect. A series of distinct nanoporous carbon fibers was prepared with surface areas up to almost 2,000 m2g-1. The surface of fibers can be chemically modified so that their adsorptive, interactive and catalytic properties would be adjusted for particular application. Magnetic properties are bestowed by incorporation of Fe3O4into the pores of fibers. Selected application of nanoporous carbon fibers will be presented, especially removal of poisonous substances from drinking water, solid phase extraction of highly diluted analytes, as well as filling of rubber and metals. Acknowledgement:This work was supported by the Slovak grant agency VEGA, project 2/0001/12

Nanoporous carbon fibers from natural cellulosic precursors

247th National Meeting (2014)

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