Embedding copper nanoparticle-anchored conductive nano-blocks in polyelectrolyte--颗粒学报PARTICUOLOGY

Xu, Q., Tang, J., Wang, Y., Liu, J., Huang, Z., Huang, L., Li, A., Wang, Y., & Belfiore, L. A. (2013). Embedding copper nanoparticle-anchored conductive nano-blocks in polyelectrolyte. Particuology, 11(6), 748–752. https://doi.org/10.1016/j.partic.2012.10.004

Embedding copper nanoparticle-anchored conductive nano-blocks in polyelectrolyte

Qingsong Xu ^a, Jianguo Tang ^a *, Yao Wang a, Jixian Liu ^a, Zhen Huang ^a, Linjun Huang ^a, Aihua Li ^a, Yuan Wang ^a, Laurence A. Belfiore ^b

a Institute of Hybrid Materials, Growing Base for State Key Laboratory of New Fiber and Modern Textile, Qingdao University, Qingdao 266071, China
b Department of Chemical and Biological Engineering, Colorado State University, Fort Collins, CO 80523, USA

10.1016/j.partic.2012.10.004

Volume 11, Issue 6, December 2013, Pages 748-752

Received 18 March 2012, Revised 27 September 2012, Accepted 11 October 2012, Available online 13 March 2013.

E-mail: jianguotangde@hotmail.com; belfiore@engr.colostate.edu

Highlights

► Copper nanoparticle-anchored CNTs and PANI blocks were synthesized.

► A new kind of polymeric composites made of metal nanoparticle-anchored blocks in PVA was prepared.

► The mechanism involving this electrochemical process was speculated.

Abstract

Conductive carbon nanotubes (CNTs) or alternatively polyaniline (PANI) nano-blocks was introduced into aqueous solutions of polyvinyl alcohol (PVA) and copper (II) salt, to assist the reduction of copper (II) ions and the anchoring of the resulting copper nanoparticles onto the conductive blocks. The mixture solutions of nano-blocks, copper (II) salts and PVA were spin-coated onto the cathode surface, forming swollen cathode films (SCFs). The copper (II) ions in the film assembled onto the surfaces of the conductive blocks and were then reduced under an appropriate voltage. It is important that the copper nanoparticles grew only on the surfaces of the conductive blocks. PVA which acted as the matrix of the composites played a role in stabilizing the resulting copper nanoparticles. Morphologies of these polymeric composite films were studied by various characterization methods. Moreover, the mechanism of migration of copper (II) ions, the formation of these polymeric composites, and the overall procedure were investigated in detail.

Graphical abstract

Keywords

Copper nanoparticles; Carbon nanotubes; Polyaniline; Polyelectrolyte

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