Single source precursor route for the first graphene oxide-PdP nanocomposite: application in electrochemical hydrogen evolution reaction

For the first time, Pd 6 P has been synthesised using a simple, straightforward and one-pot method i.e. , thermolysis of a Pd( ii ) complex of a bidentate (P, N) organophosphorus ligand (anthracene-9-yl-CH&z.dbd;N-CH 2 CH 2 -PPh 2 ). The electrocatalyst (obtained after grafting nanospheres of Pd...

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Published in:Dalton transactions : an international journal of inorganic chemistry 2022-05, Vol.51 (17), p.6537-6542
Main Authors: Oswal, Preeti, Sood, Kritika, Singh, Siddhant, Arora, Aayushi, Bahuguna, Anurag, Purohit, Suraj, Kumar, Arun
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Summary:For the first time, Pd 6 P has been synthesised using a simple, straightforward and one-pot method i.e. , thermolysis of a Pd( ii ) complex of a bidentate (P, N) organophosphorus ligand (anthracene-9-yl-CH&z.dbd;N-CH 2 CH 2 -PPh 2 ). The electrocatalyst (obtained after grafting nanospheres of Pd 6 P over layers of graphene oxide) shows high activity in electrochemical hydrogen evolution reactions (HER) with an overpotential of 133 mV to drive 10 mA cm −2 of cathodic current density. The GO-Pd 6 P nanocomposite is robust and effective for a continuous HER run for up to 16 hours. The first report of Pd 6 P nanospheres synthesized via a single-source precursor route, further immobilized over graphene oxide sheets and explored for applications in electrochemical hydrogen evolution reaction.
ISSN:1477-9226
1477-9234
DOI:10.1039/d2dt00347c