Synthesis and oxidation behavior of boron-substituted carbon powders by hot filament chemical vapor deposition
作者： QianKu Hu , QingHua Wu , Guang Sun , XiaoGuang Luo , Bo Xu
DOI: 10.1007/S11431-008-0149-Y
关键词: Thermogravimetry 、 Chemical engineering 、 Chemical vapor deposition 、 Analytical chemistry 、 Diborane 、 Hybrid physical-chemical vapor deposition 、 Carbon nanotube supported catalyst 、 Electron beam physical vapor deposition 、 Combustion chemical vapor deposition 、 Chemistry 、 Boron 、 General Engineering 、 General Materials Science
摘要: Boron-substituted carbon powder, B x C1−x with up to 0.17, has been successfully synthesized by hot filament chemical vapor deposition. The boron concentration in prepared samples can be controlled varying the relative proportions of methane and diborane. X-ray diffraction, transmission electron microscopy, energy loss spectrum confirm successful synthesis an amorphous BC5 compound, which consists 10–20 nm particles disk-like morphology. Thermogravimetry measurement shows that compound starts oxidize approximately at 620°C a higher oxidation resistance than carbon.
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