Boron-doped carbon powders formed at 1000 °C and one atmosphere

被引：62

作者：

Burgess, James S. ^{[2
]}

Acharya, Chethan K. ^{[1
]}

Lizarazo, Jair ^{[1
]}

Yancey, Nathan ^{[1
]}

Flowers, Brian ^{[2
]}

Kwon, Gihan ^{[1
]}

Klein, Tonya ^{[1
]}

Weaver, Mark ^{[3
]}

Lane, Alan M. ^{[1
]}

Turner, C. Heath ^{[1
]}

Street, Shane ^{[2
]}

机构：

[1] Univ Alabama, Dept Biol & Chem Engn, Tuscaloosa, AL 35487 USA

[2] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA

[3] Univ Alabama, Dept Met & Mat Engn, Tuscaloosa, AL 35487 USA

来源：

CARBON | 2008年 / 46卷 / 13期

关键词：

D O I：

10.1016/j.carbon.2008.07.022

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：

Boron-doped amorphous carbon powders were produced at 1000 degrees C and under one atmosphere of pressure using a simple tube furnace. Doping was monitored using XRD and Raman spectroscopy, and boron content was confirmed by XPS. The XPS data showed a peak at 188 eV which coincides with the B1s energy when bound to carbon. XRD data showed a decreasing d(002)-spacing, indicating increased graphitization upon doping. The full width at half maximum of this peak decreased, probably due to an increase in grain size upon boron doping. Raman spectroscopy showed a decrease in the height of the G-band, due to the boron substitution. The intensity ratio of the G- to D-bands increased, indicating larger grain sizes in the powders. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1711 / 1717

页数：7

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