Chemical State of Carbon Atoms on a Nanodiamond Surface: Growth Mechanism of Detonation Nanodiamond

被引：7
|
作者：
Dementjev, A. P. [1 ]
Maslakov, K. I. [1 ]
机构：
[1] Kurchatov Inst, Natl Res Ctr, Moscow 123182, Russia
来源：
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2012年 / 20卷 / 4-7期
关键词：
Nanodiamond; nucleation; growth; Auger spectroscopy; SPECTROSCOPY;
D O I：
10.1080/1536383X.2012.656547
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：
Identification of intermediate and final products of the chemical reaction that produces nanodiamond particles is a key factor in understanding its mechanism. In this work different nanodiamond samples were studied before and after chemical cleaning by X-ray photoelectron and Auger spectroscopy. It was found that the chemical state of carbon atoms is the same before and after chemical cleaning. We find that the carbon atoms are sp(3)-bonded inside nanodiamond particles and have a new, unique chemical state on the surfaces. The latter differs significantly from sp(2)- and sp(3)-bonded carbon and can be figured as the valence band near the Fermi level being occupied by three electrons.
引用
收藏
页码：594 / 599
页数：6
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