AI Article Synopsis
- A new octahedral cage compound, [CoLCl(HO)]Cl, was created using a special ligand in a straightforward reaction.
- The compound shows electrochemical activity in water, with changes in potential linked to pH, suggesting a role in hydrogen production.
- As a photocatalyst under blue light, it generated hydrogen with an efficiency of 20.50 h, using Ru(bpy) and ascorbic acid in the process.
Article Abstract
The octahedral cage assembly [CoLCl(HO)]Cl has been synthesized in a single-step reaction by using a polypyridyl-functionalized tripodal silane ligand. The electrochemical behavior of the cage in water exhibits the pH dependence of potential as well as catalytic current indicating the possible involvement of proton-coupled electron transfer in H evolution. Electrocatalytic hydrogen evolution from an aqueous buffered solution gave a turnover frequency of 16 h. Further, this cage assembly has been explored as a photocatalyst (blue light irradiation λ 469 nm) for the evolution of H from water in the presence of Ru(bpy) as a photosensitizer and ascorbic acid as a sacrificial electron donor. This catalytic reaction is found to be pseudo first order with a turnover frequency of 20.50 h.
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| http://dx.doi.org/10.1021/acs.inorgchem.7b02074 | DOI Listing |
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