Artículo
Zilli, D.; Bonelli, P.R.; Cukierman, A.L. "Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays" (2006) Nanotechnology. 17(20):5136-5141
Estamos trabajando para incorporar este artículo al repositorio
Consulte la política de Acceso Abierto del editor
Abstract:
The adsorption characteristics of self-oriented multi-walled carbon nanotube (MWCNT) arrays are examined from N2 (-196 °C) adsorption measurements. The arrays were synthesized in a laboratory by in situ chemical vapour deposition of iron or cobalt phthalocyanines at 880 and 950 °C, under otherwise constant conditions, in an attempt to obtain different morphological structures. For both precursors, increasing the temperature leads to MWCNT arrays with lower Brunauer-Emmett-Teller (BET) surface area and total pore volume, though the effect is more pronounced for those arising from the iron-based compound. Despite this, precursor yields of individual nanotubes of larger diameter, higher BET area and total pore volume characterize the resulting arrays compared to those arising from cobalt phthalocyanine for the same temperatures. As evidenced by SEM and TEM images, the arrays synthesized from iron phthalocyanine at 880 °C show better vertical alignment and denser structures than those obtained from this compound at 950 °C, and also from cobalt phthalocyanine at both temperatures. Further ultrasonication of the arrays produced from the iron compound brings about a significant reduction in their adsorption capacity, attributable to the pronounced disarrangement of the resulting structures. The present results demonstrate that the alignment of MWCNT arrays plays a crucial role in their N2 adsorption characteristics. © 2006 IOP Publishing Ltd.
Registro:
| Documento: | Artículo |
| Título: | Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays |
| Autor: | Zilli, D.; Bonelli, P.R.; Cukierman, A.L. |
| Filiación: | Programa de Investigacion y Desarrollo de Fuentes Alternativas de Materias Primas y Energia, Depto. de Industrias, Ciudad Universitaria, Int. Güiraldes 2620, (C1428BGA), Buenos Aires, Argentina Instituto de Tecnología Jorge A Sabato, Universidad Nacional de General San Martín, Av.General Paz 1499, (1650), Buenos Aires, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, (C1033AAJ), Buenos Aires, Argentina Cátedra de Farmacotecnia II - Tecnología Especial, Depto. de Tecnología Farmacéutica, Universidad de Buenos Aires, Junín 956 (C1113AAD), Buenos Aires, Argentina |
| Palabras clave: | Brunauer-Emmett-Teller (BET); Cobalt phthalocyanines; Iron phthalocyanines; Multi-walled carbon nanotube (MWCNT) arrays; Adsorption; Arrays; Iron compounds; Measurement theory; Morphology; Nitrogen compounds; Scanning electron microscopy; Transmission electron microscopy; Carbon nanotubes |
| Año: | 2006 |
| Volumen: | 17 |
| Número: | 20 |
| Página de inicio: | 5136 |
| Página de fin: | 5141 |
| DOI: | http://dx.doi.org/10.1088/0957-4484/17/20/016 |
| Título revista: | Nanotechnology |
| Título revista abreviado: | Nanotechnology |
| ISSN: | 09574484 |
| CODEN: | NNOTE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574484_v17_n20_p5136_Zilli |
Referencias:
- Agnihotri, S., Mota, J.P.B., Rostam-Abadi, M., Rood, M.J., Structural characterization of single-walled carbon nanotube bundles by experiment and molecular simulation (2005) Langmuir, 21 (3), pp. 896-904
- Agnihotri, S., Mota, J.P.B., Rostam-Abadi, M., Rood, M.J., Theoretical and experimental investigation of morphology and temperature effects on adsorption of organic vapors in single-walled carbon nanotubes (2006) J. Phys. Chem., 110 (15), pp. 7640-7647
- Agnihotri, S., Rostam-Abadi, M., Rood, M.J., Temporal changes in nitrogen adsorption properties on single-walled carbon nanotubes (2004) Carbon, 42 (12-13), pp. 2699-2710
- Ajayan, P.M., Nanotubes from carbon (1999) Chem. Rev., 99 (7), pp. 1787-1799
- Bera, D., Johnston, G., Heinrich, H., Seal, S., A parametric study on the synthesis of carbon nanotubes through arc-discharge in water (2006) Nanotechnology, 17 (6), pp. 1722-1730
- Brunauer, S., Emmett, P., Teller, E., Adsorption of gases in multimolecular layers (1938) J. Am. Chem. Soc., 60 (2), pp. 309-319
- Gauden, P.A., Terzyk, A.P., Rychlicki, G., Kowalczyk, P., Lota, K., Raymundo-Pinero, R., Frackowiak, E., Beguin, F., Thermodynamic properties of benzene adsorbed in activated carbons and multi-walled carbon nanotubes (2006) Chem. Phys. Lett., 421 (4-6), pp. 409-414
- Gommes, C., Al, E., Comparison of different methods for characterizing multi-walled carbon nanotubes (2004) Colloids Surf., 241 (1-3), pp. 155-164
- Huang, S., Dai, L., Mau, A.W.H., Patterned growth and contact transfer of well-aligned carbon nanotube films (1999) J. Phys. Chem., 103 (21), pp. 4223-4227
- Huang, W.Z., Zhang, X.B., Tu, J.P., Kong, F.Z., Ma, J.X., Liu, F., Lu, H.M., Chen, C.P., The effect of pretreatments on hydrogen adsorption of multi-walled carbon nanotubes (2002) Mater. Chem. Phys., 78 (1), pp. 144-148
- Kim, D.Y., Ch, Y., Park, Y.S., Kim, K.K., Jeong, S.Y., Han, J.H., Lee, Y.H., Characterization of thin multi-walled carbon nanotubes synthesized by catalytic chemical vapor deposition (2005) Chem. Phys. Lett., 413 (1-3), pp. 135-141
- Kim, N.S., Lee, Y.T., Park, J., Han, J.B., Choi, Y.S., Choi, S.Y., Choo, J., Lee, G.H., Vertically aligned carbon nanotubes grown by pyrolysis of iron, cobalt, and nickel phthalocyanines (2003) J. Phys. Chem., 107 (35), pp. 9249-9255
- Kowalczyk, P., Holyst, R., Tanaka, H., Kaneko, K., Distribution of carbon nanotube sizes from adsorption measurements and computer simulation (2005) J. Phys. Chem., 109 (30), pp. 14659-14666
- Li, Z., Pan, Z., Dai, S., Nitrogen adsorption characterization of aligned multiwalled carbon nanotubes and their acid modification (2004) J. Colloid Interface Sci., 277 (1), pp. 35-42
- Ovejero, G., Sotelo, J.L., Romero, M.D., Rodríguez, A., Ocãa, M.A., Rodríguez, G., García, J., Multiwalled carbon nanotubes for liquid-phase oxidation. Functionalization, characterization, and catalytic activity (2006) Ind. Eng. Chem. Res., 45 (7), pp. 2206-2212
- Yang, Q.H., Hou, P.X., Bai, S., Wang, M.Z., Cheng, H.M., Adsorption and capillarity of nitrogen in aggregated multi-walled carbon nanotubes (2001) Chem. Phys. Lett., 345 (1-2), pp. 18-24
- Yin, Y.F., Mays, T., McEnaney, B., Adsorption of nitrogen in carbon nanotube arrays (1999) Langmuir, 15 (25), pp. 8714-8718
- Zhao, J., Buldum, A., Han, J., Lu, J.P., Gas molecule adsorption in carbon nanotubes and nanotube bundles (2002) Nanotechnology, 13 (2), pp. 195-200
- Zhou, L., Sun, Y., Yang, Z., Zhou, Y., Hydrogen and methane sorption in dry and water-loaded multiwall carbon nanotubes (2005) J. Colloid Interface Sci., 289 (2), pp. 347-351
Citas:
---------- APA ----------
Zilli, D., Bonelli, P.R. & Cukierman, A.L. (2006) . Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays. Nanotechnology, 17(20), 5136-5141.http://dx.doi.org/10.1088/0957-4484/17/20/016
---------- CHICAGO ----------
Zilli, D., Bonelli, P.R., Cukierman, A.L. "Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays" . Nanotechnology 17, no. 20 (2006) : 5136-5141.http://dx.doi.org/10.1088/0957-4484/17/20/016
---------- MLA ----------
Zilli, D., Bonelli, P.R., Cukierman, A.L. "Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays" . Nanotechnology, vol. 17, no. 20, 2006, pp. 5136-5141.http://dx.doi.org/10.1088/0957-4484/17/20/016
---------- VANCOUVER ----------
Zilli, D., Bonelli, P.R., Cukierman, A.L. Effect of alignment on adsorption characteristics of self-oriented multi-walled carbon nanotube arrays. Nanotechnology. 2006;17(20):5136-5141.http://dx.doi.org/10.1088/0957-4484/17/20/016
