VAPORIZATION STUDIES ON BUCKMINSTERFULLERENE

被引：111
作者：
MATHEWS, CK
BABA, MS
NARASIMHAN, TSL
BALASUBRAMANIAN, R
SIVARAMAN, N
SRINIVASAN, TG
RAO, PRV
机构：
[1] Radiochemistry Programme, Indira Gandhi Centre for Atomic Research, Kalpakkam 603 102, Tamil Nadu
来源：
JOURNAL OF PHYSICAL CHEMISTRY | 1992年 / 96卷 / 09期
关键词：
D O I：
10.1021/j100188a002
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：
A Knudsen cell mass spectrometric study of pure C60 was carried out in the temperature range 600-800 K to obtain the vapor pressure and enthalpy of sublimation. The measured appearance potential for C60+ (8.1 +/- 0.5 V) is in good agreement with the recommended value (7.6 +/- 0.2 V) for the ionization potential of C60. The enthalpy of sublimation was found to be 181.4 +/- 2.3 kJ/mol at 700 K by the second law method. The vapor pressure of C60 is given as a function of temperature by the equation log (p/Pa) = -9777 +/- 138/T (K) + 11.582 +/- 0.126.
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页码：3566 / 3568
页数：3
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