Characterization of carbon nanofibers by SEM, TEM, ESCA and raman spectroscopy

0353935 - ÚFCH JH 2011 RIV SK eng J - Journal Article
Tatarko, P. - Puchý, V. - Dusza, J. - Morgiel, J. - Bastl, Zdeněk - Mihály, J.
Characterization of carbon nanofibers by SEM, TEM, ESCA and raman spectroscopy.
Kovové materiály. Roč. 48, č. 6 (2010), s. 379-385. ISSN 0023-432X. E-ISSN 1338-4252
Institutional research plan: CEZ:AV0Z40400503
Keywords : carbon micro/nanofiber * cylindrical fiber * bambo-shaped fiber
Subject RIV: CF - Physical ; Theoretical Chemistry
Impact factor: 0.471, year: 2010

Carbon micro/nanofibers prepared by catalytic chemical vapor deposition have been characterized using scanning electron microscopy, transmission electron microscopy, high resolution electron microscopy, electron spectroscopy for chemical analysis and Raman spectroscopy. The outer diameter of the fibers varied from 50 nm to 600 nm with an average diameter of 120 nm, length from several micrometers to several tens of micrometers and inner diameters from 20 nm to 230 nm. Two types of fibers have been identified: cylindrical and bamboo-shaped. The cylindrical fibers are usually defect-free and consist of distinct graphite layers parallel to the fiber axes. The bamboo-shaped fibers often contain defects at the nano-level, their walls are built from domains with different orientations of graphite layers.
Permanent Link: http://hdl.handle.net/11104/0006248