Low-density three-dimensional foam using self-reinforced hybrid two-dimensional atomic layers

Soumya Vinod; Chandra Sekhar Tiwary; Pedro Alves Da Silva Autreto; Jaime Taha-Tijerina; Sehmus Ozden; Alin Cristian Chipara; Robert Vajtai; Douglas S. Galvao; Tharangattu N. Narayanan; Pulickel M. Ajayan

doi:10.1038/ncomms5541

Low-density three-dimensional foam using self-reinforced hybrid two-dimensional atomic layers

Soumya Vinod, Chandra Sekhar Tiwary, Pedro Alves Da Silva Autreto, Jaime Taha-Tijerina, Sehmus Ozden, Alin Cristian Chipara, Robert Vajtai, Douglas S. Galvao, Tharangattu N. Narayanan, Pulickel M. Ajayan

Research output: Contribution to journal › Article › peer-review

91 Citations (Scopus)

Abstract

Low-density nanostructured foams are often limited in applications due to their low mechanical and thermal stabilities. Here we report an approach of building the structural units of three-dimensional (3D) foams using hybrid two-dimensional (2D) atomic layers made of stacked graphene oxide layers reinforced with conformal hexagonal boron nitride (h-BN) platelets. The ultra-low density (1/400 times density of graphite) 3D porous structures are scalably synthesized using solution processing method. A layered 3D foam structure forms due to presence of h-BN and significant improvements in the mechanical properties are observed for the hybrid foam structures, over a range of temperatures, compared with pristine graphene oxide or reduced graphene oxide foams. It is found that domains of h-BN layers on the graphene oxide framework help to reinforce the 2D structural units, providing the observed improvement in mechanical integrity of the 3D foam structure.

Original language	English
Article number	4541
Journal	Nature Communications
Volume	5
DOIs	https://doi.org/10.1038/ncomms5541
Publication status	Published - 29 Jul 2014
Externally published	Yes

Bibliographical note

Funding Information:
We acknowledge the funding support from U.S. Department of Defense: U.S. Air Force Office of Scientific Research for the Project MURI: ‘Synthesis and Characterization of 3-D Carbon Nanotube Solid Networks’ Award No. FA9550-12-1-0035. We also acknowledge the support by EAGER—NSF ECCS-1327093, CONACYT (213780) and INDO-US: IUSSTF/JC/22-2012/2013-14.

Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.

All Science Journal Classification (ASJC) codes

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General Physics and Astronomy

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Cite this

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title = "Low-density three-dimensional foam using self-reinforced hybrid two-dimensional atomic layers",

abstract = "Low-density nanostructured foams are often limited in applications due to their low mechanical and thermal stabilities. Here we report an approach of building the structural units of three-dimensional (3D) foams using hybrid two-dimensional (2D) atomic layers made of stacked graphene oxide layers reinforced with conformal hexagonal boron nitride (h-BN) platelets. The ultra-low density (1/400 times density of graphite) 3D porous structures are scalably synthesized using solution processing method. A layered 3D foam structure forms due to presence of h-BN and significant improvements in the mechanical properties are observed for the hybrid foam structures, over a range of temperatures, compared with pristine graphene oxide or reduced graphene oxide foams. It is found that domains of h-BN layers on the graphene oxide framework help to reinforce the 2D structural units, providing the observed improvement in mechanical integrity of the 3D foam structure.",

author = "Soumya Vinod and Tiwary, {Chandra Sekhar} and {Da Silva Autreto}, {Pedro Alves} and Jaime Taha-Tijerina and Sehmus Ozden and Chipara, {Alin Cristian} and Robert Vajtai and Galvao, {Douglas S.} and Narayanan, {Tharangattu N.} and Ajayan, {Pulickel M.}",

note = "Funding Information: We acknowledge the funding support from U.S. Department of Defense: U.S. Air Force Office of Scientific Research for the Project MURI: {\textquoteleft}Synthesis and Characterization of 3-D Carbon Nanotube Solid Networks{\textquoteright} Award No. FA9550-12-1-0035. We also acknowledge the support by EAGER—NSF ECCS-1327093, CONACYT (213780) and INDO-US: IUSSTF/JC/22-2012/2013-14. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

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doi = "10.1038/ncomms5541",

language = "English",

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journal = "Nature Communications",

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AU - Da Silva Autreto, Pedro Alves

AU - Taha-Tijerina, Jaime

AU - Ozden, Sehmus

AU - Chipara, Alin Cristian

AU - Vajtai, Robert

AU - Galvao, Douglas S.

AU - Narayanan, Tharangattu N.

AU - Ajayan, Pulickel M.

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N2 - Low-density nanostructured foams are often limited in applications due to their low mechanical and thermal stabilities. Here we report an approach of building the structural units of three-dimensional (3D) foams using hybrid two-dimensional (2D) atomic layers made of stacked graphene oxide layers reinforced with conformal hexagonal boron nitride (h-BN) platelets. The ultra-low density (1/400 times density of graphite) 3D porous structures are scalably synthesized using solution processing method. A layered 3D foam structure forms due to presence of h-BN and significant improvements in the mechanical properties are observed for the hybrid foam structures, over a range of temperatures, compared with pristine graphene oxide or reduced graphene oxide foams. It is found that domains of h-BN layers on the graphene oxide framework help to reinforce the 2D structural units, providing the observed improvement in mechanical integrity of the 3D foam structure.

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Low-density three-dimensional foam using self-reinforced hybrid two-dimensional atomic layers

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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