Platinum 69 -cobalt 31 alloyed nanosheet nanoassemblies as advanced bifunctional electrocatalysts for boosting ethylene glycol oxidation and oxygen reduction

Platinum 69 -cobalt 31 alloyed nanosheet nanoassemblies as advanced bifunctional electrocatalysts for boosting ethylene glycol oxidation and oxygen reduction

Pt-based bimetallic nanocrystals are feasible to dramatically improve the catalytic performances in fuel cells via morphology- and composition-engineering. Herein, bimetallic platinum -cobalt nanosheet nanoassemblies (Pt Co NSNSs) were facilely synthesized through a one-pot co-reduction solvothermal...

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Veröffentlicht in:Journal of colloid and interface science 2018-04, Vol.525, p.216
Hauptverfasser: Yu, Zhuo-Neng, Zhang, Zheng, Lv, Zhi-Suo, Liu, Meng-Ting, Zhang, Lu, Wang, Ai-Jun, Jiang, Liu-Ying, Feng, Jiu-Ju
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container_start_page 216
container_title Journal of colloid and interface science
container_volume 525
creator Yu, Zhuo-Neng
Zhang, Zheng
Lv, Zhi-Suo
Liu, Meng-Ting
Zhang, Lu
Wang, Ai-Jun
Jiang, Liu-Ying
Feng, Jiu-Ju
description Pt-based bimetallic nanocrystals are feasible to dramatically improve the catalytic performances in fuel cells via morphology- and composition-engineering. Herein, bimetallic platinum -cobalt nanosheet nanoassemblies (Pt Co NSNSs) were facilely synthesized through a one-pot co-reduction solvothermal strategy in oleylamine (OAm), using cetyltrimethylammonium chloride (CTAC) and allantoin as the directing agents. The current synthesis highly depended on the critical concentrations of Pt and Co precursors, the combined use of allantoin to OAm as the co-reductant, and the use of proper allantoin concentration. The obtained nanocatalyst exhibited largely enhanced electrocatalytic activity and durable ability towards ethylene glycol oxidation reaction (EGOR) and oxygen reduction reaction (ORR) relative to home-made Pt Co nanoparticles (NPs), Pt Co NPs and Pt black catalysts due to its much larger electrochemically active surface area than the contrasts.
doi_str_mv 10.1016/j.jcis.2018.04.050
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title Platinum 69 -cobalt 31 alloyed nanosheet nanoassemblies as advanced bifunctional electrocatalysts for boosting ethylene glycol oxidation and oxygen reduction
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