Tunable Aryl Alkyl Ionic Liquid Supported Synthesis of Platinum Nanoparticles and Their Catalytic Activity in the Hydrogen Evolution Reaction and in Hydrosilylation

被引：3

作者：

Woitassek, Dennis ^{[1
]}

Strothmann, Till ^{[1
]}

Biller, Harry ^{[2
]}

Lerch, Swantje ^{[2
]}

Schmitz, Henning ^{[1
]}

Song, Yefan ^{[1
]}

Roitsch, Stefan ^{[3
]}

Strassner, Thomas ^{[2
]}

Janiak, Christoph ^{[1
]}

机构：

[1] Heinrich Heine Univ Dusseldorf, Inst Anorgan Chem & Strukturchem, D-40204 Dusseldorf, Germany

[2] Tech Univ Dresden, Phys Organ Chem, D-01062 Dresden, Germany

[3] Univ Cologne, Inst Phys Chem, D-50939 Cologne, Germany

来源：

MOLECULES | 2023年 / 28卷 / 01期

基金：

中国国家自然科学基金;

关键词：

platinum; nanoparticles; hydrogen evolution reaction; ethylene glycol; microwave heating; ionic liquid; tunable aryl alkyl ionic liquid; hydrosilylation; ASSISTED SYNTHESIS; PARTICLE-SIZE; 1-ETHYL-3-METHYLIMIDAZOLIUM BISULFATE; PTNI NANOPARTICLES; HIGHLY EFFICIENT; GRAPHENE OXIDE; REDUCTION; ELECTROCATALYSTS; SURFACTANT; SOLVENT;

D O I：

10.3390/molecules28010405

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Tunable aryl alkyl ionic liquids (TAAILs) are ionic liquids (ILs) with a 1-aryl-3-alkylimidazolium cation having differently substituted aryl groups. Herein, nine TAAILs with the bis(trifluoromethylsulfonyl)imide anion are utilized in combination with and without ethylene glycol (EG) as reaction media for the rapid microwave synthesis of platinum nanoparticles (Pt-NPs). TAAILs allow the synthesis of small NPs and are efficient solvents for microwave absorption. Transmission electron microscopy (TEM) shows that small primary NPs with sizes of 2 nm to 5 nm are obtained in TAAILs and EG/TAAIL mixtures. The Pt-NPs feature excellent activity as electrocatalysts in the hydrogen evolution reaction (HER) under acidic conditions, with an overpotential at a current density of 10 mA cm(-2) as low as 32 mV vs the reversible hydrogen electrode (RHE), which is significantly lower than the standard Pt/C 20% with 42 mV. Pt-NPs obtained in TAAILs also achieved quantitative conversion in the hydrosilylation reaction of phenylacetylene with triethylsilane after just 5 min at 200 degrees C.

引用

页数：20

共 87 条

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