@article{1175ca84b40c4eedb7d57d5af723ea3f,
title = "Tunable Hybridized Morphologies Obtained through Flash Joule Heating of Carbon Nanotubes",
abstract = "Hybrid carbon nanomaterials, such as those that incorporate carbon nanotubes into graphene sheets, have been found to display interesting mechanical and electrical properties because of their covalent bonding and π-πstacking domains. However, synthesis of these hybrid materials is limited by the high energetic cost of techniques like chemical vapor deposition. Here, we demonstrate the solvent- and gas-free synthesis of a 2D carbon nanotube/graphene network through flash Joule heating of pristine carbon nanotubes. The relative proportion of each morphology in the hybrid material can be tuned by varying the pulse time, as confirmed by Raman spectroscopy and microscopy. Triboindentation of epoxy composites made with the hybrid material shows increases of 162% and 64% to the hardness and Young's modulus, respectively, compared with the neat epoxy. These results demonstrate that flash Joule heating can be used to inexpensively convert carbon nanotubes into a hybrid network of nanotubes and graphene for use as an effective reinforcing additive in epoxy composites.",
keywords = "carbon nanotubes, composites, cross-linking, flash Joule heating, flash graphene, hybrid morphologies, unzipping",
author = "Advincula, {Paul A.} and Beckham, {Jacob L.} and Choi, {Chi Hun} and Weiyin Chen and Yimo Han and Kosynkin, {Dmitry V.} and Alexander Lathem and Alvaro Mayoral and Yacaman, {Miguel Jose} and Tour, {James M.}",
note = "Funding Information: Scientific Research (FA9550-22-1- 0526) and the U.S. Army Corps of Engineers, ERDC (W912HZ-21-2-0050), funded this work. J.L.B. acknowledges support from the NSF Graduate Research Fellowship Program. A.M. acknowledges the Spanish Ministry of Science through the Ram{\'o}n y Cajal program (RYC2018-024561-I), the regional government of Aragon (DGA E13-20R), and also acknowledges the National Natural Science Foundation of China (NSFC-21835002). Y.H. and C.-H.C. acknowledge support from the Welch Foundation (C-2065-20210327). This work utilized the instruments in the Electron Microscopy Center at Rice University. Funding Information: The Air Force Office of Scientific Research (FA9550-22-1-0526) and the U.S. Army Corps of Engineers, ERDC (W912HZ-21-2-0050), funded this work. J.L.B. acknowledges support from the NSF Graduate Research Fellowship Program. A.M. acknowledges the Spanish Ministry of Science through the Ram{\'o}n y Cajal program (RYC2018-024561-I), the regional government of Aragon (DGA E13-20R), and also acknowledges the National Natural Science Foundation of China (NSFC-21835002). Y.H. and C.-H.C. acknowledge support from the Welch Foundation (C-2065-20210327). This work utilized the instruments in the Electron Microscopy Center at Rice University. Publisher Copyright: {\textcopyright} 2023 American Chemical Society. All rights reserved.",
year = "2023",
month = feb,
day = "14",
doi = "10.1021/acsnano.2c10125",
language = "English (US)",
volume = "17",
pages = "2506--2516",
journal = "ACS Nano",
issn = "1936-0851",
publisher = "American Chemical Society",
number = "3",
}