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Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions

Open access
Hashim, Daniel P., Narayanan, Narayanan T., Romo-Herrera, Jose M., Cullen, David A., Hahm, Myung Gwan, Lezzi, Peter, Suttle, Joseph R., Kelkhoff, Doug, Muñoz-Sandoval, E., Ganguli, Sabyasachi, Roy, Ajit K., Smith, David J., Vajtai, Robert, Sumpter, Bobby G., Meunier, Vincent, Terrones, Humberto, Terrones, Mauricio, Ajayan, Pulickel M.·2012·Scientific Reports

Abstract

The establishment of covalent junctions between carbon nanotubes (CNTs) and the modification of their straight tubular morphology are two strategies needed to successfully synthesize nanotube-based three-dimensional (3D) frameworks exhibiting superior material properties. Engineering such 3D structures in scalable synthetic processes still remains a challenge. This work pioneers the bulk synthesis of 3D macroscale nanotube elastic solids directly via a boron-doping strategy during chemical vapour deposition, which influences the formation of atomic-scale "elbow" junctions and nanotube covalent interconnections. Detailed elemental analysis revealed that the "elbow" junctions are preferred sites for excess boron atoms, indicating the role of boron and curvature in the junction formation mechanism, in agreement with our first principle theoretical calculations. Exploiting this material's ultra-light weight, super-hydrophobicity, high porosity, thermal stability, and mechanical flexibility, the strongly oleophilic sponge-like solids are demonstrated as unique reusable sorbent scaffolds able to efficiently remove oil from contaminated seawater even after repeated use.

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Authors
Hashim, D. P., Narayanan, N. T., Romo-Herrera, J. M., Cullen, D. A., Hahm, M. G., Lezzi, P., Suttle, J. R., Kelkhoff, D., Muñoz-Sandoval, E., Ganguli, S., Roy, A. K., Smith, D. J., Vajtai, R., Sumpter, B. G., Meunier, V., Terrones, H., Terrones, M., & Ajayan, P. M.
Venue
Scientific Reports
Published
2012-04-13
Volume
2
Issue
1
Pages
363-363
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2090000463
Cited by
372
References
0
FWCI
15.49
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions. https://app.cochat.ai/papers/10.1038/srep00363
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Hashim, D. P., Narayanan, N. T., Romo-Herrera, J. M., Cullen, D. A., Hahm, M. G., Lezzi, P., Suttle, J. R., Kelkhoff, D., Muñoz-Sandoval, E., Ganguli, S., Roy, A. K., Smith, D. J., Vajtai, R., Sumpter, B. G., Meunier, V., Terrones, H., Terrones, M., & Ajayan, P. M. (2012). Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions. Scientific Reports. https://doi.org/10.1038/srep00363

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.