Document Detail

The Temperature Dependence of Thermal Boundary Resistances Between Multiwall Carbon Nanotubes and Some Typical Counterpart Materials.
MedLine Citation:
PMID:  22390345     Owner:  NLM     Status:  Publisher    
In this paper, we directly measured the temperature dependence of Thermal Boundary Resistances (TBRs) between multiwall carbon nanotubes (MWCNTs) and different materials at elevated temperatures. Using the steady-state heat flow and the non-contacted measurement method, we could conveniently get the TBRs-temperature relations. Our results indicate that the TBRs-temperature relations vary distinctively with different contact materials when heating temperatures changing from about 300 K to 450 K, i.e., the CNT-metal TBRs increase with increasing temperatures, whereas the CNT-insulator TBRs decrease. As a comparison, the TBRs between super-aligned MWCNTs were measured and we found that the CNT-CNT TBRs remain basically unchanged as temperatures increase. We also found that the magnitude of TBRs between MWCNTs and different materials could differ from each other seriously. These results here suggest that choosing of a right electrode may have obvious influence on the thermal properties so as to other properties of the CNTs-based devices. From another perspective, in view of some existing theoretical models about TBRs, our results support the validity of the molecular dynamics (MD) simulations in the calculation of CNTs-solid TBRs at elevated temperatures.
Guang Zhang; Changhong Liu; Shoushan Fan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-5
Journal Detail:
Title:  ACS nano     Volume:  -     ISSN:  1936-086X     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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