SIZE EVALUATION OF GRAPHITIC CRYSTALLITES IN ACTIVATED CARBON-FIBERS FROM DIAMAGNETIC SUSCEPTIBILITY MEASUREMENTS

被引:38
作者
KANEKO, K [1 ]
YAMAGUCHI, K [1 ]
ISHII, C [1 ]
OZEKI, S [1 ]
HAGIWARA, S [1 ]
SUZUKI, T [1 ]
机构
[1] UNIV TOKYO,INST IND SCI,MINATO KU,TOKYO 113,JAPAN
关键词
D O I
10.1016/0009-2614(91)90013-Y
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Diamagnetic susceptibilities of various kinds of activated carbon fibers (ACFs), nonporous carbon black, and Grafoil were measured under an N2 atmosphere in the temperature range of 273 to 423 K. An empirical relationship between the diamagnetic susceptibility and molecular structure was derived from the literature for polynuclear aromatic compounds without hydrogen atoms. The unit size of graphitic crystallites in ACFs was evaluated from the derived relationship.
引用
收藏
页码:75 / 78
页数:4
相关论文
共 19 条
[1]  
AKAMATU H, 1953, BULL, V26, P364, DOI DOI 10.1246/BCSJ.26.364
[2]  
Boehm H.P., 1966, ADV CATAL, P179
[3]   THE STRUCTURE OF GRAPHITIC CARBONS [J].
FRANKLIN, RE .
ACTA CRYSTALLOGRAPHICA, 1951, 4 (03) :253-&
[4]   MAGNETIC PROPERTIES OF POTASSIUM IRON GROUP FLUORIDES KMF3 [J].
HIRAKAWA, K ;
HIRAKAWA, K ;
HASHIMOTO, T .
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1960, 15 (11) :2063-2068
[5]   MULTISTAGE MICROPORE FILLING MECHANISM OF NITROGEN ON MICROPOROUS AND MICROGRAPHITIC CARBONS [J].
KAKEI, K ;
OZEKI, S ;
SUZUKI, T ;
KANEKO, K .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1990, 86 (02) :371-376
[6]  
KAKEI K, 1990, IN PRESS INT C CHAR
[7]   THE CONCENTRATED NO DIMER IN MICROPORES ABOVE ROOM-TEMPERATURE [J].
KANEKO, K ;
FUKUZAKI, N ;
OZEKI, S .
JOURNAL OF CHEMICAL PHYSICS, 1987, 87 (01) :776-777
[8]   ENHANCEMENT OF NO DIMERIZATION BY MICROPORE FIELDS OF ACTIVATED CARBON-FIBERS [J].
KANEKO, K ;
FUKUZAKI, N ;
KAKEI, K ;
SUZUKI, T ;
OZEKI, S .
LANGMUIR, 1989, 5 (04) :960-965
[9]  
KANEKO K, 1989, TANSO, V140, P288
[10]   DIAMAGNETISM OF CARBON-FIBERS [J].
MATSUBARA, K ;
KAWAMURA, K ;
TSUZUKU, T .
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1986, 25 (07) :1016-1020