The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Length-dependent thermal conductivity of single extended polymer chains
Abstract
The low thermal conductivity of polymers will be one of the major roadblocks for the polymer-based microelectronics and macroelectronics due to the limited heat spreading capability. Despite that the thermal conductivity of bulk polymers is usually low, a single extended polymer chain could have very high thermal conductivity. In this paper we present atomistic simulation studies on the phonon transport in single extended polymer chains of various polymers as a function of polymer chain length. The thermal conductivity of single extended polymer chains can be 1--2 orders of magnitude higher than their bulk counterparts. The thermal conductivity of single extended polymer chains is a strong function of monomer type. For example, the thermal conductivity of the extended polymer chains with aromatic backbone can be up to 5 times as that of a polyethylene chain, while the thermal conductivity of the extended polymer chains with bond-strength or mass disorder can be only 1/25 as that of a polyethylene chain. We analyze the phonon transport mechanisms in single extended polymer chains of various polymers and find that the competition between ballistic phonon transport and diffusive phonon transport in a polymer chain leads to a diverging length-dependent thermal conductivity.
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Citations
Cites
Fast Parallel Algorithms for Short-Range Molecular Dynamics
Plimpton, S. (1995) · Journal of Computational Physics · doi:10.1006/jcph.1995.1039 · Cited by 44,721
Thermal conductivity of polymers
Choy, C. L. (1977) · Polymer · doi:10.1016/0032-3861(77)90002-7 · Cited by 483
Molecular dynamics simulation of an amorphous polymer under tension. 1. Phenomenology
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Cited by
Thermal conductivity of polymer-based composites: Fundamentals and applications
Chen, H., Ginzburg, V. V., Yang, J., Yang, Y., Liu, W., Huang, Y., Du, L., & Chen, B. (2016) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2016.03.001 · Cited by 2,049
Thermal conductivity of polymers and polymer nanocomposites
Huang, C., Qian, X., & Yang, R. (2018) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2018.06.002 · Cited by 909
Self-citationPhonon-engineered extreme thermal conductivity materials
Qian, X., Zhou, J., & Chen, G. (2021) · Nature Materials · doi:10.1038/s41563-021-00918-3 · Cited by 837
High thermal conductivity of chain-oriented amorphous polythiophene
Singh, V., Bougher, T. L., Weathers, A., Cai, Y., Bi, K., Pettes, M. T., McMenamin, S. A., Lv, W., Resler, D. P., Gattuso, T. R., et al. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.44 · Cited by 430
Size-dependent phononic thermal transport in low-dimensional nanomaterials
Zhang, Z., Ouyang, Y., Cheng, Y., Chen, J., Li, N., & Zhang, G. (2020) · Physics Reports · doi:10.1016/j.physrep.2020.03.001 · Cited by 341
Metadata
- Authors
- Liu, J., & Yang, R.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2012-09-24
- Volume
- 86
- Issue
- 10
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2315902177
- Cited by
- 209
- References
- 3
- FWCI
- 3.62
- Type
- journal article
- Language
- en
- Open access
- closed
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