A STUDY OF FULLERENE PREPARATION TECHNIQUE

被引：7

作者：

YU, T ^{[1
]}

CAI, FX ^{[1
]}

FAN, XJ ^{[1
]}

YE, MS ^{[1
]}

CHEN, R ^{[1
]}

WU, W ^{[1
]}

XIAO, N ^{[1
]}

TIAN, DC ^{[1
]}

ZHAO, WK ^{[1
]}

FANG, YL ^{[1
]}

KUANG, AY ^{[1
]}

机构：

[1] WUHAN UNIV,DEPT CHEM,WUHAN 430072,PEOPLES R CHINA

来源：

FULLERENE SCIENCE AND TECHNOLOGY | 1994年 / 2卷 / 03期

关键词：

FULLERENE; YIELD; HELIUM PRESSURE;

D O I：

10.1080/15363839408009548

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 new homemade arc fullerene generator used in this experiment is reported. The comparation of yields of fullerenes (C60/C70 mixture) was studied by different power supplies (AC and DC), different gaps of two graphite rods and different He pressure between 0.4 x 10(4)-2.8 x 10(4) Pa. In our experiment, the highest yield up to 13% was achieved, when DC discharge was used and the optimum He pressure was near 0.8 x 10(4) -1.6 x 10(4) Pa. The mixed fullerene was analyzed by electron impact mass spectrum (EIMS). The relative amount of C60 to C70 was 4.2 to 1. After column chromatography separation with hexane on alumina, 99.9% C60 was obtained. FTIR and C-13-NMR spectrum were used to characterize the pure C60 samples.

引用

页码：223 / 231

页数：9

共 8 条

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