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Issue 47, 2017
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Silica-polydopamine core–shell self-confined templates for ultra-stable hollow Pt anchored N-doped carbon electrocatalysts

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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).

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

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Publication details

The article was received on 15 Aug 2017, accepted on 19 Sep 2017 and first published on 19 Sep 2017


Article type: Paper
DOI: 10.1039/C7DT03021E
Citation: Dalton Trans., 2017,46, 16419-16425
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    Silica-polydopamine core–shell self-confined templates for ultra-stable hollow Pt anchored N-doped carbon electrocatalysts

    G. Li, J. Li, Z. Zhou, C. Li, C. Cai, B. Guo, R. D. Priestley, L. Han and R. Liu, Dalton Trans., 2017, 46, 16419
    DOI: 10.1039/C7DT03021E

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