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Title: Highly compressible 3D periodic graphene aerogel microlattices

Abstract

Graphene is a two-dimensional material that offers a unique combination of low density, exceptional mechanical properties, large surface area and excellent electrical conductivity. Recent progress has produced bulk 3D assemblies of graphene, such as graphene aerogels, but they possess purely stochastic porous networks, which limit their performance compared with the potential of an engineered architecture. Here we report the fabrication of periodic graphene aerogel microlattices, possessing an engineered architecture via a 3D printing technique known as direct ink writing. The 3D printed graphene aerogels are lightweight, highly conductive and exhibit supercompressibility (up to 90% compressive strain). Moreover, the Young’s moduli of the 3D printed graphene aerogels show an order of magnitude improvement over bulk graphene materials with comparable geometric density and possess large surface areas. Ultimately, adapting the 3D printing technique to graphene aerogels realizes the possibility of fabricating a myriad of complex aerogel architectures for a broad range of applications.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program
OSTI Identifier:
1259507
Alternate Identifier(s):
OSTI ID: 1410001
Report Number(s):
LLNL-JRNL-665510
Journal ID: ISSN 2041-1723; ncomms7962
Grant/Contract Number:  
AC52-07NA27344; 14-SI-004; 13-LW-099
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Zhu, Cheng, Han, T. Yong-Jin, Duoss, Eric B., Golobic, Alexandra M., Kuntz, Joshua D., Spadaccini, Christopher M., and Worsley, Marcus A.. Highly compressible 3D periodic graphene aerogel microlattices. United States: N. p., 2015. Web. doi:10.1038/ncomms7962.
Zhu, Cheng, Han, T. Yong-Jin, Duoss, Eric B., Golobic, Alexandra M., Kuntz, Joshua D., Spadaccini, Christopher M., & Worsley, Marcus A.. Highly compressible 3D periodic graphene aerogel microlattices. United States. doi:10.1038/ncomms7962.
Zhu, Cheng, Han, T. Yong-Jin, Duoss, Eric B., Golobic, Alexandra M., Kuntz, Joshua D., Spadaccini, Christopher M., and Worsley, Marcus A.. Wed . "Highly compressible 3D periodic graphene aerogel microlattices". United States. doi:10.1038/ncomms7962. https://www.osti.gov/servlets/purl/1259507.
@article{osti_1259507,
title = {Highly compressible 3D periodic graphene aerogel microlattices},
author = {Zhu, Cheng and Han, T. Yong-Jin and Duoss, Eric B. and Golobic, Alexandra M. and Kuntz, Joshua D. and Spadaccini, Christopher M. and Worsley, Marcus A.},
abstractNote = {Graphene is a two-dimensional material that offers a unique combination of low density, exceptional mechanical properties, large surface area and excellent electrical conductivity. Recent progress has produced bulk 3D assemblies of graphene, such as graphene aerogels, but they possess purely stochastic porous networks, which limit their performance compared with the potential of an engineered architecture. Here we report the fabrication of periodic graphene aerogel microlattices, possessing an engineered architecture via a 3D printing technique known as direct ink writing. The 3D printed graphene aerogels are lightweight, highly conductive and exhibit supercompressibility (up to 90% compressive strain). Moreover, the Young’s moduli of the 3D printed graphene aerogels show an order of magnitude improvement over bulk graphene materials with comparable geometric density and possess large surface areas. Ultimately, adapting the 3D printing technique to graphene aerogels realizes the possibility of fabricating a myriad of complex aerogel architectures for a broad range of applications.},
doi = {10.1038/ncomms7962},
journal = {Nature Communications},
number = ,
volume = 6,
place = {United States},
year = {2015},
month = {4}
}

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