The thermal stability of nanodiamond surface groups and onset of nanodiamond graphitization

被引：62

作者：

Butenko, Yu. V. ^{[1
]}

Kuznetsov, V. L. ^{[1
]}

Paukshtis, E. A. ^{[1
]}

Stadnichenko, A. I. ^{[1
]}

Mazov, I. N. ^{[1
]}

Moseenkov, S. I. ^{[1
]}

Boronin, A. I. ^{[1
]}

Kosheev, S. V. ^{[1
]}

机构：

[1] Boreskov Inst Catalysis, Novosibirsk 630090, Russia

来源：

FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2006年 / 14卷 / 2-3期

关键词：

nanodiamond; surface groups; graphitization;

D O I：

10.1080/15363830600666779

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：

The results of study of the surface chemistry of nanodiamonds treated by a mixture of HClO(4) and H(2)SO(2) acids are presented. Changes of the composition of surface diamond groups brought up by thermal annealing were monitored by Fourier transformed infrared spectroscopy and temperature-programmed desorption. The decomposition of oxygen-containing groups is observed at 300-900 degrees C; CH. groups decompose at 700-1150 degrees C. The process of the annealing of ND was investigated by the X-ray photoelectron spectroscopy. The clear onset of ND graphitization was observed at temperature of 950 degrees C that is supported by the appearance of sp(2) component in the Cls spectrum. The presence of the N1s peak in spectra of ND is observed in initial and partially graphitized ND annealed up to 1100 degrees C.

引用

页码：557 / 564

页数：8

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