期刊
MATERIALS RESEARCH BULLETIN
卷 69, 期 -, 页码 13-19出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2015.01.001
关键词
Microporous materials; Nanostructures; Photoelectron spectroscopy; Specific heat; Surface properties
资金
- Russian Scientific Fund [14-43-00072]
- Russian Science Foundation [14-43-00072] Funding Source: Russian Science Foundation
This work systematically studies adsorption properties of carbon nanomaterials that are synthesized through hydrocarbons that is a powerful technique to fabricate different kinds of carbon materials, e.g., nanotubes, nanoshells, onions, including nitrogen substituted. The adsorption properties of the assynthesized carbons are achieved by low temperature nitrogen adsorption and organic vapors sorption. Heptane, acetonitrile, water, ethanol, benzene and 1-methylimidazole, which are of great importance for development of supercapacitors, are used as substrates. It is discovered that while nitrogen adsorption reveals a high specific surface area, this parameter for most of organic compounds is rather small depending not only on the size of its molecule but also on chemical interactions for a pair adsorbent adsorbate. The experimental values of heat of adsorption for carbon and N-substituted structures, when Coulomb cross-coupling of nitrogen atoms in adsorbent and adsorbate takes place, confirms this supposition. (C) 2015 Elsevier Ltd. All rights reserved.
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