Poly(Dimethylbenzimidazolium) Iodide Assisted Dispersion of Multiwalled Carbon Nanotubes and Their Palladium Nanoparticle Hybrid

  • Yanli Zhang (张燕黎)
  • Ping Yu (宇平)
  • Lijing Pan (潘丽静)
  • Minzhao Xue (薛敏钊)
  • Wei Wang (王巍)
  • Zuming Hu (胡祖明)


The multi walled carbon nanotubes (MWNTs) have always been as the catalyst supporting materials, but for high-performance composite catalysts, the dispersion and functionalization of MWNTs are important challenging problems. In this paper, Electrocatalytically active palladium nanoparticles (Pd NPs) on MWNTs with the high-performance and excellent solubility polymer, poly(dimethylbenzimidazolium) iodide (P(DMBI)-I) as modifier and glue was first discussed. The results of transmission electron microscopy (TEM) demonstrate a better dispersion of MWNTs with the assist of P(DMBI)-I. The Raman spectra indicate a strong π-π interaction between MWNTs and P(DMBI)-I. Taking advantages of the coordination effect of imidazole groups and the electrostatic attraction to Pd NPs, the prepared Pd/MWNTs-P(DMBI)-I(Pd/MPDI) hybrid is of well electrocatalytic activity to the ethanol fuel cells by electrochemical measurements. So it is believed that P(DMBI)-I can be further applied in the dispersion of different carbon-based materials and metal nanoparticles for fabricating more novel composites for catalyst and electrode material.

Key words

MWNTs P(DMBI)-I Pd NPs electro-catalytic activity ethanol 

CLC number

O 633.5 

Document code


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Copyright information

© Shanghai Jiaotong University and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Yanli Zhang (张燕黎)
    • 1
  • Ping Yu (宇平)
    • 1
  • Lijing Pan (潘丽静)
    • 1
  • Minzhao Xue (薛敏钊)
    • 1
  • Wei Wang (王巍)
    • 1
  • Zuming Hu (胡祖明)
    • 2
  1. 1.School of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghaiChina
  2. 2.College of Materials Science and EngineeringDonghua UniversityShanghaiChina

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