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Rational design of porous binary Pt-based nanodendrites as efficient catalysts for direct glucose fuel cells over a wide pH range

المؤلفEid, Kamel
المؤلفAhmad, Yahia H.
المؤلفAlQaradawi, Siham Y.
المؤلفAllam, Nageh K.
تاريخ الإتاحة2023-01-08T08:27:18Z
تاريخ النشر2017
اسم المنشورCatalysis Science and Technology
المصدرScopus
معرّف المصادر الموحدhttp://dx.doi.org/10.1039/c7cy00860k
معرّف المصادر الموحدhttp://hdl.handle.net/10576/38151
الملخصThe development of porous bi-metallic Pt-based nanocrystals (NCs) as efficient catalysts for the glucose oxidation reaction (GOR) over a wide pH range is still a grand challenge. Triggered by this challenge, we report the controlled synthesis of porous binary PtPd, PtCu, AuPt, and PtNi NCs with open dendritic frames as efficient catalysts for GOR. This was achieved by one-step reduction of their precursors in aqueous solutions of polyvinylpyrrolidone (PVP) under ultrasonic treatment at room temperature. Intriguingly, the porous AuPt and PtPd NCs exhibited the utmost enhancement in GOR activity relative to PtCu, PtNi, and commercial Pt/C catalysts under different pH conditions, which is ascribed to their porous structure and composition. Furthermore, the composition and synergetic effects of the binary metals plausibly generate an activity relationship that tune their catalytic activity and stability in different electrolytes. The Royal Society of Chemistry 2017.
راعي المشروعThis work was made possible by NPRP Grant no. NPRP 7-485-1-091 from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of the authors.
اللغةen
الناشرRoyal Society of Chemistry
الموضوعBinary alloys
Bins
Catalyst activity
Catalysts
Copper alloys
Fuel cells
Glucose
Gold alloys
Nickel alloys
Palladium alloys
pH
Platinum
Solutions
Controlled synthesis
Direct glucose fuel cell
Efficient catalysts
One-step reduction
Polyvinyl pyrrolidone
Porous structures
Synergetic effect
Ultrasonic treatments
Platinum alloys
العنوانRational design of porous binary Pt-based nanodendrites as efficient catalysts for direct glucose fuel cells over a wide pH range
النوعArticle
الصفحات2819-2827
رقم العدد13
رقم المجلد7


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