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- W2036667784 abstract "A hydrogen-evolving homogeneous Ni(P2N2)2 electrocatalyst with peripheral ester groups has been covalently attached to a 1,2,3-triazolyllithium-terminated planar glassy carbon electrode surface. Coupling proceeds with both the Ni(0) and the Ni(II) complexes. X-ray photoemission spectra show excellent agreement between the Ni(0) coupling product and its parent complex, and voltammetry of the surface-confined system shows that a single species predominates with a surface density of 1.3 × 10–10 mol cm–2, approaching the value estimated for a densely packed monolayer. With the Ni(II) system, both photoemission and voltammetric data show speciation to unidentified products on coupling, and the surface density is 6.7 × 10–11 mol cm–2. The surface-confined Ni(0) complex is an electroctalyst for hydrogen evolution, showing the onset of catalytic current at the same potential as the soluble parent complex. Decomposition of the surface-confined species is observed in acidic acetonitrile. This is interpreted to reflect the lability of the Ni(II)–phosphine interaction and the basicity of the free phosphine and bears on concurrent efforts to implement surface-confined Ni(P2N2)2 complexes in electrochemical or photoelectrochemical devices." @default.
- W2036667784 created "2016-06-24" @default.
- W2036667784 creator A5022980951 @default.
- W2036667784 creator A5038787347 @default.
- W2036667784 creator A5039034217 @default.
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- W2036667784 date "2014-06-07" @default.
- W2036667784 modified "2023-09-27" @default.
- W2036667784 title "A Hydrogen-Evolving Ni(P<sub>2</sub>N<sub>2</sub>)<sub>2</sub> Electrocatalyst Covalently Attached to a Glassy Carbon Electrode: Preparation, Characterization, and Catalysis. Comparisons with the Homogeneous Analogue" @default.
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- W2036667784 doi "https://doi.org/10.1021/ic500701a" @default.
- W2036667784 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/24971843" @default.
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