Skip to main content
placeholder image

Strategic synthesis of mesoporous Pt-on-Pd bimetallic spheres templated from a polymeric micelle assembly

Journal Article


Abstract


  • Core–shell–corona type triblock copolymer poly(styrene-b-2-vinylpyridine-b-ethylene oxide) (PS-b-P2VP-b-PEO) micelles have been selected here to direct the synthesis of mesoporous Pt-on-Pd spheres, consisting of a Pd concentrated core and a Pt shell, as established by elemental mapping. It is important to note that the size of the PS core determines the resultant size of the mesopores. A self-evaporation method has been developed to prepare swollen micelles, so as to further enlarge the pore size (∼40 nm). Compared with commercially available catalysts (e.g., Pt black or Pt, 20 wt% on carbon black), good oxygen reduction reaction performance on the mesoporous Pt-on-Pd spheres is observed, due to the exposure of the most active Pt (111) planes and the synergistic effects from Pt and Pd in the pseudo core–shell structure.

Authors


  •   Tang, Jing (external author)
  •   Bando, Yoshio
  •   Li, Yunqi (external author)
  •   Li, Cuiling (external author)
  •   Bastakoti, Bishnu Prasad. (external author)
  •   Tang, Jing (external author)
  •   Kim, Jeonghun (external author)
  •   Shahabuddin, Mohammed (external author)
  •   Kim, Jung Ho
  •   Yamauchi, Yusuke (external author)

Publication Date


  • 2016

Citation


  • Li, Y., Li, C., Bastakoti, B. Prasad., Tang, J., Kim, J., Shahabuddin, M., Bando, Y., Kim, J. & Yamauchi, Y. (2016). Strategic synthesis of mesoporous Pt-on-Pd bimetallic spheres templated from a polymeric micelle assembly. Journal of Materials Chemistry A, 4 (23), 9169-9176.

Scopus Eid


  • 2-s2.0-84973652797

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/2142

Number Of Pages


  • 7

Start Page


  • 9169

End Page


  • 9176

Volume


  • 4

Issue


  • 23

Abstract


  • Core–shell–corona type triblock copolymer poly(styrene-b-2-vinylpyridine-b-ethylene oxide) (PS-b-P2VP-b-PEO) micelles have been selected here to direct the synthesis of mesoporous Pt-on-Pd spheres, consisting of a Pd concentrated core and a Pt shell, as established by elemental mapping. It is important to note that the size of the PS core determines the resultant size of the mesopores. A self-evaporation method has been developed to prepare swollen micelles, so as to further enlarge the pore size (∼40 nm). Compared with commercially available catalysts (e.g., Pt black or Pt, 20 wt% on carbon black), good oxygen reduction reaction performance on the mesoporous Pt-on-Pd spheres is observed, due to the exposure of the most active Pt (111) planes and the synergistic effects from Pt and Pd in the pseudo core–shell structure.

Authors


  •   Tang, Jing (external author)
  •   Bando, Yoshio
  •   Li, Yunqi (external author)
  •   Li, Cuiling (external author)
  •   Bastakoti, Bishnu Prasad. (external author)
  •   Tang, Jing (external author)
  •   Kim, Jeonghun (external author)
  •   Shahabuddin, Mohammed (external author)
  •   Kim, Jung Ho
  •   Yamauchi, Yusuke (external author)

Publication Date


  • 2016

Citation


  • Li, Y., Li, C., Bastakoti, B. Prasad., Tang, J., Kim, J., Shahabuddin, M., Bando, Y., Kim, J. & Yamauchi, Y. (2016). Strategic synthesis of mesoporous Pt-on-Pd bimetallic spheres templated from a polymeric micelle assembly. Journal of Materials Chemistry A, 4 (23), 9169-9176.

Scopus Eid


  • 2-s2.0-84973652797

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/2142

Number Of Pages


  • 7

Start Page


  • 9169

End Page


  • 9176

Volume


  • 4

Issue


  • 23