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Title: Chemically interconnected light-weight 3D-carbon nanotube solid network

Journal Article · · Carbon
ORCiD logo [1];  [2];  [2];  [3];  [4];  [2];  [2];  [2];  [5];  [1];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Materials Physics and Applications Division
  2. Rice Univ., Houston, TX (United States). Dept. of Materials Science and NanoEngineering
  3. Rice Univ., Houston, TX (United States). Dept. of Chemistry
  4. King Fahd Univ. of Petroleum and Minerals, Dhahran (Saudi Arabia). Dept. of Chemistry
  5. Rice Univ., Houston, TX (United States). Dept. of Materials Science and NanoEngineering and Dept. of Chemistry

Owing to the weak physical interactions such as van der Waals and π-π interactions, which hold nanotubes together in carbon nanotube (CNT) bulk structures, the tubes can easily slide on each other. In creating covalent interconnection between individual carbon nanotube (CNT) structures we saw remarkable improvements in the properties of their three-dimensional (3D) bulk structures. The creation of such nanoengineered 3D solid structures with improved properties and low-density remains one of the fundamental challenges in real-world applications. We also report the scalable synthesis of low-density 3D macroscopic structure made of covalently interconnected nanotubes using free-radical polymerization method after functionalized CNTs with allylamine monomers. The resulted interconnected highly porous solid structure exhibits higher mechanical properties, larger surface area and greater porosity than non-crosslinked nanotube structures. To gain further insights into the deformation mechanisms of nanotubes, fully atomistic reactive molecular dynamics simulations are used. Here we demonstrate one such utility in CO2 uptake, whose interconnected solid structure performed better than non-interconnected structures.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1352384
Alternate ID(s):
OSTI ID: 1439539
Report Number(s):
LA-UR-17-21894
Journal Information:
Carbon, Vol. 119, Issue C; ISSN 0008-6223
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Cited By (6)

Achieving Self-Stiffening and Laser Healing by Interconnecting Graphene Oxide Sheets with Amine-Functionalized Ovalbumin journal August 2018
Specific Features of Structure, Electrical Conductivity and Interlayer Adhesion of the Natural Polymer Matrix from the Layers of Branched Carbon Nanotube Networks Filled with Albumin, Collagen and Chitosan journal October 2018
Monolithic Solid Based on Single-Walled Carbon Nanohorns: Preparation, Characterization, and Practical Evaluation as a Sorbent journal May 2018
Wrinkled Nitrogen-doped Carbon Belts journal February 2018
Superior electrical conduction of a water repelling 3D interconnected nano-network journal January 2018
Interface and defect engineering of hybrid nanostructures toward an efficient HER catalyst journal January 2019