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Issue 22, 2014
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In situ synthesis of poly(ionic liquid)–Pt nanoparticle composite in glass capillary for the electrocatalytic reduction of oxygen

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Abstract

A novel approach for in situ synthesizing poly(ionic liquid)–Pt nanoparticle (PIL–Pt) composite in a glass capillary for fabricating filling-type electrode is reported in this work. XRD and TEM were used to characterize the as-synthesized PIL–Pt composite. Because of the modification of poly(ionic liquid)s (PILs), the PIL–Pt composite can not only be dispersed well to form a homogeneous suspension of Pt nanoparticles, but also be synthesized directly in a glass capillary with a tip radius ranging from 250 nm to 2.5 µm. By simple heating at 130 °C, the PIL–Pt composite capillary electrode was fabricated under mild conditions. With the advantages of both PILs and glass capillary, a PIL–Pt capillary electrode can provide a favourable microenvironment for the encapsulated Pt nanoparticles and promote the mass transfer rate; thus, showing a high electrocatalytic activity and stability for an oxygen reduction reaction (ORR). The present study provided a novel method for the development of high performance electrocatalysts based on the construction of PIL–Pt composite in a glass capillary for fuel cell or electrochemical sensors.

Graphical abstract: In situ synthesis of poly(ionic liquid)–Pt nanoparticle composite in glass capillary for the electrocatalytic reduction of oxygen

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Supplementary files

Article information


Submitted
08 Jul 2014
Accepted
09 Sep 2014
First published
10 Sep 2014

Analyst, 2014,139, 5964-5969
Article type
Paper

In situ synthesis of poly(ionic liquid)–Pt nanoparticle composite in glass capillary for the electrocatalytic reduction of oxygen

M. Li, Y. Liu, S. Ding, A. Zhu and G. Shi, Analyst, 2014, 139, 5964
DOI: 10.1039/C4AN01229A

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