The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Manipulating Thermal Conductance at Metal–Graphene Contacts via Chemical Functionalization
Abstract
Graphene-based devices have garnered tremendous attention due to the unique physical properties arising from this purely two-dimensional carbon sheet leading to tremendous efficiency in the transport of thermal carriers (i.e., phonons). However, it is necessary for this two-dimensional material to be able to efficiently transport heat into the surrounding 3D device architecture in order to fully capitalize on its intrinsic transport capabilities. Therefore, the thermal boundary conductance at graphene interfaces is a critical parameter in the realization of graphene electronics and thermal solutions. In this work, we examine the role of chemical functionalization on the thermal boundary conductance across metal/graphene interfaces. Specifically, we metalize graphene that has been plasma functionalized and then measure the thermal boundary conductance at Al/graphene/SiO(2) contacts with time domain thermoreflectance. The addition of adsorbates to the graphene surfaces are shown to influence the cross plane thermal conductance; this behavior is attributed to changes in the bonding between the metal and the graphene, as both the phonon flux and the vibrational mismatch between the materials are each subject to the interfacial bond strength. These results demonstrate plasma-based functionalization of graphene surfaces is a viable approach to manipulate the thermal boundary conductance.
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Cites
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Cited by
Emerging challenges and materials for thermal management of electronics
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Metadata
- Authors
- Hopkins, P. E., Baraket, M., Barnat, E. V., Beechem, T. E., Kearney, S. P., Duda, J. C., Robinson, J. T., & Walton, S. G.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-01-10
- Volume
- 12
- Issue
- 2
- Pages
- 590-595
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1995639532
- Cited by
- 265
- References
- 42
- FWCI
- 9.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- Hopkins, P. E., Baraket, M., Barnat, E. V., Beechem, T. E., Kearney, S. P., Duda, J. C., Robinson, J. T., & Walton, S. G. (2012). Manipulating Thermal Conductance at Metal–Graphene Contacts via Chemical Functionalization. Nano Letters. https://doi.org/10.1021/nl203060j
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