Structural and morphological transformations of carbon nanospheres during high-temperature, high-pressure processing

被引：4

作者：

Filonenko, V. P. ^{[1
]}

Zibrov, I. P. ^{[1
]}

Trenikhin, M. V. ^{[2
,3
]}

Pavlyuchenko, P. E. ^{[2
,3
]}

Arbuzov, A. B. ^{[2
,3
]}

Drozdov, V. A. ^{[2
,3
]}

Likholobov, V. A. ^{[2
,3
]}

机构：

[1] Russian Acad Sci, Vereshchagin Inst High Pressure Phys, Kaluzhskoe Sh 14, Moscow 108840, Russia

[2] Russian Acad Sci, Inst Hydrocarbon Proc Problems, Siberian Branch, Neftezavodskaya Ul 54, Omsk 644040, Russia

[3] Russian Acad Sci, Siberian Branch, Omsk Sci Ctr, Pr Karla Marksa 15, Omsk 644040, Russia

来源：

INORGANIC MATERIALS | 2017年 / 53卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

turbostratic carbon spheres; high pressures; graphite; diamond; GRAPHENE;

D O I：

10.1134/S0020168517050065

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper presents analysis of structural changes in powders consisting of turbostratic carbon spheres with an average particle diameter of 250 and 25 nm after high-temperature, high-pressure processing at a pressure of 8 GPa. It has been shown that marked ordering of graphene sheets is observed at 1300A degrees C and actively proceeds at higher temperatures. The major morphological species in the samples after processing is slabs of graphene sheets, and three-dimensional structural perfection is higher at the smaller particle size. Using high-resolution electron microscopy, samples of this powder were shown to contain diamond nanocrystallites.

引用

页码：462 / 468

页数：7

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