کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1620612 | 1516391 | 2009 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Syntheses of carbon nanomaterials by radio frequency plasma enhanced chemical vapor deposition
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
We report a simple and effective method for syntheses of carbon nanomaterials, including a hybrid CNTs/cobalt particles shelled with graphitic layers, pure CNTs, a CNTs/carbon nanosheets (CNSs) composite and pure CNSs, on O2-thermal etched Co substrate films, in discharging different mixed gases (CH4/H2, CH4/H2/O2, CH4/Ar and CH4/Ar/O2, respectively), using radio frequency plasma enhanced chemical vapor deposition (PECVD). Being etched by O2 during the pretreatment stage, Co thin film transformed into small CoO particles and consequently the deoxidization of CoO particles may occur in PECVD process when different reactive gases are used to obtain various carbon nanomaterials. We find that the reactive gases govern the degree of how the CoO particles can be deoxidized and determine the final carbon nanomaterial products. In this work, the possible growth mechanisms for obtaining various carbon nanomaterials have been explored.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 486, Issues 1â2, 3 November 2009, Pages 265-272
Journal: Journal of Alloys and Compounds - Volume 486, Issues 1â2, 3 November 2009, Pages 265-272
نویسندگان
J.L. Qi, X. Wang, H.W. Tian, Y.S. Peng, C. Liu, W.T. Zheng,