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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >A phosphoramidite-based [FeFe]H_2ase functional mimic displaying fast electrocatalytic proton reduction
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A phosphoramidite-based [FeFe]H_2ase functional mimic displaying fast electrocatalytic proton reduction

机译：基于亚磷酰胺的[FeFe] H_2ase功能模拟物表现出快速的电催化质子还原

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摘要

A phosphoramidite modified [FeFe]H_2ase mimic is studied as a model for photodriven production of H_2. On cathodic activation, the pyridyl-phosphoramidite complex exhibits a strongly enhanced rate of proton reduction over the previously reported pyridylphosphine model at the same overpotential. Analysis of the cyclic voltammograms shows an apparent H_2 evolution rate strongly influenced by the presence of both side-bound pyridyl and phosphorous-bound dimethylamino moieties at the phosphoramidite ligands. This difference is ascribed to the basic amines acting as proton relays.
机译：研究了亚磷酰胺修饰的[FeFe] H_2ase模拟物作为光驱动生产H_2的模型。阴极活化后，吡啶基-亚磷酰胺复合物在相同的超电势下，与以前报道的吡啶基膦模型相比，质子还原速率大大提高。循环伏安图的分析表明，明显受到亚磷酰胺配体上侧键合吡啶基和磷键合二甲基氨基部分的存在的明显的H_2释放速率。这种差异归因于碱性胺充当质子中继。

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