Título
Synthesis, characterization and magnetic properties of defective nitrogen-doped multiwall carbon nanotubes encapsulating ferromagnetic nanoparticles
Autor
MARIA LUISA GARCIA BETANCOURT
YADIRA ITZEL VEGA CANTU
SOFIA MAGDALENA VEGA DIAZ
Aarón Morelos Gómez
NESTOR PEREA LOPEZ
Rodolfo Cruz Silva
Humberto Terrones Maldonado
MAURICIO TERRONES MALDONADO
Emilio Muñoz Sandoval
Nivel de Acceso
Acceso Abierto
Identificador alterno
doi: https://doi.org/10.4028/www.scientific.net/JNanoR.28.39
Materias
Resumen o descripción
"Nitrogen-doped multi-walled carbon nanotubes (CNxMWNTs) with multiple morphological defects were produced using a modified chemical vapor deposition (CVD) method. In a typical CNxMWNTs synthesis by CVD, an acetone trap is used to catch organic by-products from pyrolysis. In the present work, an aqueous solution of NaCl (26.82 wt%) was used in the trap, instead of acetone. Carbon nanotubes with sharp tips and lumps were found in the products. Scanning electron microscopy (SEM) and high resolution transmission electron microscopy showed the formation of nanoparticles of different shapes inside the nanotubes. The electronic and magnetic properties were studied using a physical properties measurement Evercool system (PPMS). With this simple change in the CVD-trap, it is possible to control the morphology of carbon nanotubes and metallic nanoparticles. Differences in gas flow are proposed as a possible mechanism to produce these changes in both nanoparticles and CNxMWNTs."
Editor
Trans Tech Publications Inc.
Fecha de publicación
2014
Tipo de publicación
Artículo
Versión de la publicación
Versión enviada
Recurso de información
Formato
application/pdf
Sugerencia de citación
M. L. García-Betancourt et al., "Synthesis, Characterization and Magnetic Properties of Defective Nitrogen-Doped Multiwall Carbon Nanotubes Encapsulating Ferromagnetic Nanoparticles", Journal of Nano Research, Vol. 28, pp. 39-49, 2014
Repositorio Orígen
Repositorio IPICYT
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