The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.
Self-alignment and high electrical conductivity of ultralarge graphene oxide–polyurethane nanocomposites
Abstract
Polyurethane (PU)-based composite films containing highly aligned graphene sheets are produced through an environmentally benign process. An aqueous liquid crystalline dispersion of graphene oxide (GO) is in situ reduced in PU, resulting in a fine dispersion and a high degree of orientation of graphene sheets. The PU particles are adsorbed onto the surface of the reduced graphene oxide (rGO), and the rGO sheets with a large aspect ratio of over 10 000 tend to self-align during the film formation when the graphene content is high enough, say more than 2 wt%. The resulting composites show excellent electrical conductivity with an extremely low percolation threshold of 0.078 vol%, which is considered one of the lowest values ever reported for polymer composites containing graphene. The electrical conductivity of the composites with high graphene contents presents significant anisotropy due to the preferential formation of conductive networks along the in-plane direction, another proof of the existence of the self-aligned, layered structure.
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Cites
Graphene: Status and Prospects
Geim, A. K. (2009) · Science · doi:10.1126/science.1158877 · Cited by 13,942
Graphene-based composite materials
Stankovich, S., Dikin, D. A., Dommett, G. H. B., Kohlhaas, K. M., Zimney, E. J., Stach, E. A., Piner, R. D., Nguyen, S. T., & Ruoff, R. S. (2006) · Nature · doi:10.1038/nature04969 · Cited by 12,922
Kirkpatrick, S. (1973) · Reviews of Modern Physics · doi:10.1103/revmodphys.45.574 · Cited by 5,260
Graphene Oxide-Assisted Dispersion of Pristine Multiwalled Carbon Nanotubes in Aqueous Media
Zhang, C., Ren, L., Wang, X., & Liu, T. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp103745g · Cited by 348
Cited by
Electrically conductive polymers and composites for biomedical applications
Kaur, G., Adhikari, R., Cass, P., Bown, M., & Gunatillake, P. (2015) · RSC Advances · doi:10.1039/c5ra01851j · Cited by 836
Electrical percolation in graphene–polymer composites
Marsden, A. J., Papageorgiou, D. G., Vallés, C., Liscio, A., Palermo, V, Bissett, M. A., Young, R. J., & Kinloch, I. A. (2018) · 2D Materials · doi:10.1088/2053-1583/aac055 · Cited by 396
High-Performance Multifunctional Graphene Yarns: Toward Wearable All-Carbon Energy Storage Textiles
Aboutalebi, S. H., Jalili, R., Esrafilzadeh, D., Salari, M., Gholamvand, Z., Aminorroaya Yamini, S., Konstantinov, K., Shepherd, R. L., Chen, J., Moulton, S. E., et al. (2014) · ACS Nano · doi:10.1021/nn406026z · Cited by 375
Self-citationJia, J., Sun, X., Lin, X., Shen, X., Mai, Y.-W., & Kim, J.-K. (2014) · ACS Nano · doi:10.1021/nn500590g · Cited by 332
Self-citationYousefi, N., Gudarzi, M. M., Zheng, Q., Lin, X., Shen, X., Jia, J., Sharif, F., & Kim, J.-K. (2013) · Composites Part A: Applied Science and Manufacturing · doi:10.1016/j.compositesa.2013.02.005 · Cited by 278
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Metadata
- Authors
- Yousefi, N., Gudarzi, M. M., Zheng, Q., Aboutalebi, S. H., Sharif, F., & Kim, J.-K.
- Venue
- Journal of Materials Chemistry
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 22
- Issue
- 25
- Pages
- 12709
- ISSN
- 0959-9428 (ISSN-L)
- 1364-5501
- OpenAlex
- W2007502852
- Cited by
- 299
- References
- 4
- FWCI
- 12.02
- Type
- journal article
- Language
- en
- Open access
- closed
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