Surface Chemical Modification of Onion-like Fullerenes

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (8): 1404.doi:

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Surface Chemical Modification of Onion-like Fullerenes

XU Bing-She¹, SUN Rui-Ping¹, HAN Pei-De¹, LI Tian-Bao¹, WANG Xiao-Min¹, LIU Xu-Guang²

1. College of Materials Science and Engineering,
2. College of Chemistry and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Received:2005-11-15 Revised:1900-01-01 Online:2006-08-10 Published:2006-08-10
Contact: XU Bing-She

Abstract

Abstract:

Onion-like fullerenes(OLFs) synthesized by chemical vapor deposition(CVD) were purified by dilute nitric acid. The microstructures of OLFs and purification effects were analyzed by TEM and TGA respectively. Then OLFs were refluxed with potassium in toluene and were characterized by using FTIR and Raman spectroscopy. It is found that the wavenumbers at 3451, 1402 and 1039 cm^-1 show characteristic peaks of hydroxyl groups indicating the formation of OLFs(OH)_n. The raman results reveal, the ratio of I_G/I_D increases, graphitization degree of OLFs is improved and the D line and G line of OLFs have no obvious changes before and after reaction, which indicate that OLFs retain their structures.

Key words: Onion-like fullerenes(OLFs), Purification, Chemical modification

CLC Number:

O613.71

TrendMD:

XU Bing-She¹, SUN Rui-Ping¹, HAN Pei-De¹, LI Tian-Bao¹, WANG Xiao-Min¹, LIU Xu-Guang². Surface Chemical Modification of Onion-like Fullerenes[J]. Chem. J. Chinese Universities, 2006, 27(8): 1404.

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Surface Chemical Modification of Onion-like Fullerenes

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