Polyatomic gas storage in fullerenes-CO2 forced into the C60 lattice

被引：15

作者：

Gadd, GE

James, M

Moricca, S

Cassidy, D

Evans, PJ

Collins, B

Armstrong, RS

机构：

[1] Australian Nucl Sci & Technol Org, Menai, NSW 2234, Australia

[2] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 1998年 / 59卷 / 09期

关键词：

fullerenes; interstitial; infrared spectroscopy; X-ray diffraction; crystal structure;

D O I：

10.1016/S0022-3697(98)00255-8

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon dioxide has been forced into the lattice of C-60 using Hot Isostatic Pressing (HIP) at temperatures between 350 and 500 degrees C, and with 170 MPa of CO2 gas, and a HIP period of 60 h. Using both Thermal Gravimetric Analysis (TGA) and powder X-ray diffraction with Rietveld analysis, the CO2 has been shown to occupy the octahedral interstitial sites with an occupancy of similar to 0.8. Infrared spectroscopy confirms the presence of trapped CO2. Over a couple of weeks at room temperature, the material slowly loses CO2 to give a stoichiometry of similar to 0.62. After this, it seems to be stable to further loss for several months. (C) 1998 Elsevier Science Ltd. All rights reserved.

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收藏

页码：1383 / 1391

页数：9

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