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

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Materials 2017, 10(11), 1263; https://doi.org/10.3390/ma10111263
Received: 21 September 2017 / Revised: 27 October 2017 / Accepted: 2 November 2017 / Published: 2 November 2017
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. View Full-Text
Keywords: polyimide; palladium/silver; surface metallization; nanoparticle; nanotube polyimide; palladium/silver; surface metallization; nanoparticle; nanotube
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MDPI and ACS Style

Kong, L.; Rui, G.; Wang, G.; Huang, R.; Li, R.; Yu, J.; Qi, S.; Wu, D. Preparation of Palladium/Silver-Coated Polyimide Nanotubes: Flexible, Electrically Conductive Fibers. Materials 2017, 10, 1263.

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