Silica-polydopamine core-shell self-confined templates for ultra-stable hollow Pt anchored N-doped carbon electrocatalysts

Guochang Li, Jian Li, Ziwei Zhou, Congling Li, Chao Cai, Bingkun Guo, Rodney D. Priestley, Lei Han, Rui Liu

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

We present the use of silica-polydopamine (SiO2@PDA) core-shell nanoparticles (NPs) as self-confined templates for the fabrication of ultra-stable hollow Pt anchored N-doped carbon nanospheres (Pt/HN-C). SiO2@PDA nanospheres were fabricated by a facile one-pot process, followed by the deposition of Pt NPs onto the outer shell layer. The confinement and adhesion of the PDA framework ensured the distribution and stability of Pt NPs after carbonization at the carbon shell layer. The converted Pt/HN-C exhibited excellent catalytic performance and durability for the oxygen reduction reaction (ORR).

Original languageEnglish (US)
Pages (from-to)16419-16425
Number of pages7
JournalDalton Transactions
Volume46
Issue number47
DOIs
StatePublished - 2017

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry

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