کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1414585 1508889 2013 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Aerosol-assisted chemical vapour deposition synthesis of multi-wall carbon nanotubes: I. Mapping the reactor
موضوعات مرتبط
مهندسی و علوم پایه مهندسی انرژی انرژی (عمومی)
پیش نمایش صفحه اول مقاله
Aerosol-assisted chemical vapour deposition synthesis of multi-wall carbon nanotubes: I. Mapping the reactor
چکیده انگلیسی

We report a study of aerosol-assisted chemical vapour deposition (ACVD) technique for the large scale production of carbon nanotubes (CNTs) by investigating the reasons behind the variation and inhomogeneity of the morphologies and quality of CNTs alongside the reactor. Our approach in understanding the system is to simplify it by dividing the reactor into sections and then to characterise the CNTs zone by zone using transmission and scanning electron microscopy, Raman spectroscopy and thermogravimetric analysis in order to identify their level of graphitisation, diameter distribution, catalyst content, growth rate and oxidation resistance in relation to their position in the reactor. Moreover, we established a gallery of electron micrographs depicting different morphologies of CNTs and identified the regions where multi-wall, double-wall, and single-wall nanotubes were produced. We conclude that any attempt to scale up the production of uniform CNTs by ACVD should first aim to homogenise the temperature and catalyst concentration throughout the reactor.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbon - Volume 58, July 2013, Pages 151–158
نویسندگان
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