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-система Института катализа

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

Журнал

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

Вых. Данные

Год: 2006, Том: 110, Номер: 7, Страницы: 3055-3060 Страниц : 6 DOI: 10.1021/jp055064g

Ключевые слова

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

Авторы

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

Организации

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

Информация о финансировании (1)

Российский фонд фундаментальных исследований

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 CAPlusCA PMID OpenAlex

Поступила в редакцию:	8 сент. 2005 г.
Принята к публикации:	16 дек. 2005 г.
Опубликована online:	31 янв. 2006 г.
Опубликована в печати:	1 февр. 2006 г.

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

БД	Цитирований
Web of science	17
Scopus	18
РИНЦ	17
OpenAlex	16