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Santos NF, Holz T, Santos T, et al. Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets. ACS Appl Mater Interfaces. 2015;7(44):24772-7doi: 10.1021/acsami.5b07633.
Santos, N. F., Holz, T., Santos, T., Fernandes, A. J., Vasconcelos, T. L., Gouvea, C. P., Archanjo, B. S., Achete, C. A., Silva, R. F., & Costa, F. M. (2015). Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets. ACS applied materials & interfaces, 7(44), 24772-7. https://doi.org/10.1021/acsami.5b07633
Santos, N F, et al. "Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets." ACS applied materials & interfaces vol. 7,44 (2015): 24772-7. doi: https://doi.org/10.1021/acsami.5b07633
Santos NF, Holz T, Santos T, Fernandes AJ, Vasconcelos TL, Gouvea CP, Archanjo BS, Achete CA, Silva RF, Costa FM. Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets. ACS Appl Mater Interfaces. 2015 Nov 11;7(44):24772-7. doi: 10.1021/acsami.5b07633. Epub 2015 Nov 02. PMID: 26495875.
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ACS Appl Mater Interfaces. 2015 Nov 11;7(44):24772-7. doi: 10.1021/acsami.5b07633. Epub 2015 Nov 02.

Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets.

ACS applied materials & interfaces

N F Santos, T Holz, T Santos, A J S Fernandes, T L Vasconcelos, C P Gouvea, B S Archanjo, C A Achete, R F Silva, F M Costa

Affiliations

  1. i3N and Physics Department of University of Aveiro , 3810-193 Aveiro, Portugal.
  2. CICECO and Physics Department of University of Aveiro , 3810-193 Aveiro, Portugal.
  3. Materials Metrology Division, INMETRO , 25250-020, Duque de Caxias - RJ, Brazil.
  4. CICECO and Dept. of Materials and Ceramic Engineering, University of Aveiro , 3810-193 Aveiro, Portugal.

PMID: 26495875 DOI: 10.1021/acsami.5b07633

Abstract

Crystalline carbon-based materials are intrinsically chemically inert and good heat conductors, allowing their applications in a great variety of devices. A technological step forward in heat dissipators production can be given by tailoring the carbon phase microstructure, tuning the CVD synthesis conditions. In this work, a rapid bottom-up synthesis of vertically aligned hybrid material comprising diamond thin platelets covered by a crystalline graphite layer was developed. A single run was designed in order to produce a high aspect ratio nanostructured carbon material favoring the thermal dissipation under convection-governed conditions. The produced material was characterized by multiwavelength Raman spectroscopy and electron microscopy (scanning and transmission), and the macroscopic heat flux was evaluated. The results obtained confirm the enhancement of heat dissipation rate in the developed hybrid structures, when compared to smooth nanocrystalline diamond films.

Keywords: CVD; convective cooling; diamond; graphite; nanoplatelets; surface area

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