The synthesis of multi-walled carbon nanotubes (MWNTs) by catalytic pyrolysis of the phenol-formaldehyde resins

被引：104
作者：
Stamatin, Ioan
Morozan, Adina
Dumitru, Anca
Ciupina, V.
Prodan, G.
Niewolski, J.
Figiel, H.
机构：
[1] Univ Bucharest, 3 Nano SAE Res Ctr, Bucharest 077125, Romania
[2] Ovidius Univ Constantza, Constanta, Romania
[3] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Dept Solid State Phys, PL-30059 Krakow, Poland
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2007年 / 37卷 / 1-2期
关键词：
MWNTs; pyrolysis; ferrocene catalyst; spirostructures;
D O I：
10.1016/j.physe.2006.10.013
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A series of carbon nanomaterials, particularly multi-walled carbon nanotubes (MWNT), are obtained as products from catalytic pyrolysis of the cross-linked phenol -formaldehyde resins with different ferrocene under inert atmosphere. The morphology and structure of the samples were evaluated by TEM and XRD techniques. CNTs morphology is dependent on the iron nanoparticles and their forms (Fe, Fe3C) resulted from ferrocene decomposition. The amount of nanotubes increases with iron content released from ferrocene catalyst during the pyrolysis process. Fe3C nanoparticles drive the nucleation and the growth of carbon nanotubes during the pyrolysis process. Long (up to microns) well-defined MWNTs with small defects, ropes and disordered carbon are representatives in the pyrolyzed resins composition. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：44 / 48
页数：5
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