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Citation: Sun Dayong, Liu Ziyang, Xu Wenguo, Guo Xinghua, Liu Shuying. On the Factors Influencing the Formation of Rare-earth Metallofullerenes[J]. Chinese Journal of Applied Chemistry, ;1998, 15(1): 92-94. shu

On the Factors Influencing the Formation of Rare-earth Metallofullerenes

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Received Date: 16 June 1997
Revised Date: 15 September 1997

The effective preparation of rare-earth metallofullerenes is described. Graphite rod blended with rare earth oxide was used as starting material. The method consists of dou-ble are discharge, extraction with toluene in Soxhlet extractor and extraction with pyridine at high temperature and pressure. The laser desorption time-of-flight mass spectrometry (LD-TOF MS) results showed that the more important factors influencing the formation of rare earth metallofullerenes appeared the conditions of their preparation and extraction and va-lence states of rare earth elements themselves.
- rare earth,
- fullerene,
- double arc discharge,
- LD-TOF MS
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