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Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...

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Simple Methods for the Preparation of Non-noble Metal Bulk-electrodes for Electrocatalytic Applications

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Amorphous-crystalline PdRu bimetallene for efficient hydrogen evolution electrocatalysis.

Hongjing Wang¹, Beibei Wang¹, Hongjie Yu¹

¹State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China. zqwang@zjut.edu.cn.

Chemical Communications (Cambridge, England)

|July 28, 2022

Summary

This summary is machine-generated.

This study introduces palladium-ruthenium (PdRu) bimetallene, synthesized using carbon monoxide (CO). The novel material demonstrates superior catalytic performance in acidic conditions compared to palladium metallene.

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Area of Science:

Materials Science
Electrochemistry
Catalysis

Background:

Developing efficient electrocatalysts is crucial for energy conversion technologies.
Bimetallic nanomaterials offer unique properties for enhanced catalytic activity.
Palladium-based materials are widely studied for catalytic applications.

Purpose of the Study:

To synthesize a novel PdRu bimetallene structure.
To evaluate the electrocatalytic performance of the synthesized material.
To compare its activity against a monometallic palladium counterpart.

Main Methods:

Wet-chemical synthesis utilizing carbon monoxide (CO) as a structure-directing agent and reductant.
Decomposition of tungsten hexacarbonyl (W(CO)6) to facilitate material formation.
Electrochemical characterization under acidic conditions.

Main Results:

Successful synthesis of PdRu bimetallene was achieved.
The PdRu bimetallene exhibited excellent catalytic activity.
A significantly lower overpotential (-32 mV) was observed for PdRu bimetallene compared to Pd metallene (-62 mV) at -10 mA cm-2.

Conclusions:

The synthesized PdRu bimetallene demonstrates enhanced electrocatalytic properties.
The use of CO as a structure-directing agent is effective for creating advanced bimetallic catalysts.
This material holds promise for applications requiring efficient electrocatalysis in acidic media.