Heat Dissipation Interfaces Based on Vertically Aligned Diamond/Graphite Nanoplatelets
| Autor: | Florinda M. Costa, N. F. Santos, Braulio S. Archanjo, C.P. Gouvea, C. A. Achete, Auguste Fernandes, T. Holz, Rui F. Silva, T. Santos, Thiago L. Vasconcelos |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
NANOCRYSTALLINE DIAMOND
Materials science NANODIAMOND chemistry.chemical_element THERMAL-PROPERTIES Nanotechnology 02 engineering and technology engineering.material FILMS 01 natural sciences CARBON symbols.namesake RAMAN-SPECTROSCOPY Phase (matter) 0103 physical sciences General Materials Science Graphite Composite material CVD DIAMOND 010302 applied physics Diamond 021001 nanoscience & nanotechnology Microstructure CHEMICAL-VAPOR-DEPOSITION chemistry Heat flux engineering symbols GROWTH 0210 nano-technology Hybrid material Raman spectroscopy FIELD-EMISSION Carbon |
| Zdroj: | Repositório Científico de Acesso Aberto de Portugal Repositório Científico de Acesso Aberto de Portugal (RCAAP) instacron:RCAAP |
| Popis: | 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 CV]) 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. |
| Databáze: | OpenAIRE |
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