Preparation of Palladium/Silver-Coated Polyimide Nanotubes: Flexible, Electrically Conductive Fibers

A simple and practical method for coating palladium/silver nanoparticles on polyimide (PI) nanotubes is developed. The key steps involved in the process are silver ion exchange/reduction and displacement reactions between silver and palladium ions. With the addition of silver, the conductivity of th...

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Bibliographic Details
Published in:Materials 2017-11, Vol.10 (11), p.1263
Main Authors: Kong, Lushi, Rui, Guanchun, Wang, Guangyu, Huang, Rundong, Li, Ran, Yu, Jiajie, Qi, Shengli, Wu, Dezhen
Format: Article
Language:English
Subjects:
Coating
Communication
Heat exchange
Heat treatment
Nanoparticles
Nanotubes
Noble metals
Palladium
Polyimide resins
Silver
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Summary:A simple and practical method for coating palladium/silver nanoparticles on polyimide (PI) nanotubes is developed. The key steps involved in the process are silver ion exchange/reduction and displacement reactions between silver and palladium ions. With the addition of silver, the conductivity of the PI nanotubes is greatly enhanced. Further, the polyimide nanotubes with a dense, homogeneous coating of palladium nanoparticles remain flexible after heat treatment and show the possibility for use as highly efficient catalysts. The approach developed here is applicable for coating various noble metals on a wide range of polymer matrices, and can be used for obtaining polyimide nanotubes with metal loaded on both the inner and outer surface.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma10111263