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

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• 作者：James S. Burgess ; Chethan K. Acharya ; Jair Lizarazo ; Nathan Yancey ; Brian Flowers ; Gihan Kwon ; Tonya Klein ; Mark Weaver ; Alan M. Lane ; C. Heath Turner ; Shane Street
• 刊名：Carbon
• 出版年：2008
• 出版时间：November 2008
• 年：2008
• 卷：46
• 期：13
• 页码：1711-1717
• 全文大小：301 K

文摘

Boron-doped amorphous carbon powders were produced at 1000 °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 d₀₀₂-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.