129Xe Nuclear Magnetic Resonance Study of Pitch-Based Activated Carbon Modified by Air Oxidation/Pyrolysis Cycles: A New Approach to Probe the Micropore Size | Sciact - CRIS-system of Boreskov Institute of Catalysis

129Xe Nuclear Magnetic Resonance Study of Pitch-Based Activated Carbon Modified by Air Oxidation/Pyrolysis Cycles: A New Approach to Probe the Micropore Size Full article

Journal

The Journal of Physical Chemistry B
ISSN: 1520-6106 , E-ISSN: 1520-5207

Output data

Year: 2006, Volume: 110, Number: 7, Pages: 3055-3060 Pages count : 6 DOI: 10.1021/jp055064g

Tags

Correlation methods; Molecular sieves; Nuclear magnetic resonance spectroscopy; Oxidation; Pore size; Potassium compounds; Pressure effects; Pyrolysis; Xenon

Authors

Romanenko Konstantin V. ^1,2 , Py Xavier ² , d’Espinose de Lacaillerie Jean-Baptiste ³ , Lapina Olga B. ¹ , Fraissard Jacques ³

Affiliations

1	Boreskov Institute of Catalysis, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090 Russia
2	CNRS-PROMES, Processes Materials and Solar Energy Laboratory, Rambla de la Thermodynamique, Tecnosud, 66100 Perpignan Cedex, France
3	Laboratoire de Physique Quantique and UMR CNRS 7142, Ecole Supérieure de Physique et de Chimie Industrielles (ESPCI), 75231 Paris Cedex 05, France

Funding (1)

Russian Foundation for Basic Research

04-03-33070

129Xe NMR has been used to study a series of homologous activated carbons obtained from a KOH-activated pitch-based carbon molecular sieve modified by air oxidation/pyrolysis cycles. A clear correlation between the pore size of microporous carbons and the 129Xe NMR of adsorbed xenon is proposed for the first time. The virial coefficient δXe-Xe arising from binary xenon collisions varied linearly with the micropore size and appeared to be a better probe of the microporosity than the chemical shift extrapolated to zero pressure. This correlation was explained by the fact that the xenon collision frequency increases with increasing micropore size. The chemical shift has been shown to vary very little with temperature (less than 9 ppm) for xenon trapped inside narrow and wide micropores. This is indicative of a smooth xenon−surface interaction potential.

Romanenko K.V. , Py X. , d’Espinose de Lacaillerie J-B. , Lapina O.B. , Fraissard J.
129Xe Nuclear Magnetic Resonance Study of Pitch-Based Activated Carbon Modified by Air Oxidation/Pyrolysis Cycles: A New Approach to Probe the Micropore Size
The Journal of Physical Chemistry B. 2006. V.110. N7. P.3055-3060. DOI: 10.1021/jp055064g WOS Scopus РИНЦ ANCAN PMID OpenAlex

Submitted:	Sep 8, 2005
Accepted:	Dec 16, 2005
Published online:	Jan 31, 2006
Published print:	Feb 1, 2006

Web of science:	WOS:000235560900016
Scopus:	2-s2.0-33644903501
Elibrary:	13507661
Chemical Abstracts:	2006:87266
Chemical Abstracts (print):	144:342330
PMID:	16494308
OpenAlex:	W2036084628

DB	Citing
Web of science	17
Scopus	18
Elibrary	17
OpenAlex	16