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Homogeneous photochemical water oxidation with metal salophen complexes in neutral media†
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2019-10-01 , DOI: 10.1039/c9pp00254e
Md. Ali Asraf 1, 2, 3, 4, 5 , Chizoba I. Ezugwu 1, 2, 3, 4, 5 , C. M. Zakaria 6, 7, 8, 9 , Francis Verpoort 1, 2, 3, 4, 5
Affiliation  

The development of water oxidation catalysts based on Earth-abundant metals that can function at neutral pH remains a basic chemical challenge. Here, we report that salophen complexes with Ni(II), Cu(II), and Mn(II) can catalyse photochemical water oxidation to molecular oxygen in the presence of [Ru(bpy)3]2+ as a photosensitizer and Na2S2O8 as an oxidant in phosphate buffer of pH 7.0. Experimental results including CV, SEM, EDS, ESI-MS, and DLS measurements on the metal salophen complex-catalysed water oxidation to oxygen suggest that the catalytic activity of the catalysts is molecular in origin.

中文翻译:

在中性介质中与金属Salophen配合物进行均相光化学水氧化

基于可在中性pH值下起作用的富含地球的金属的水氧化催化剂的开发仍然是一项基本的化学挑战。在这里,我们报道在[Ru(bpy)3 ] 2+作为光敏剂和Na 2的存在下,具有Ni(II),Cu(II)和Mn(II)的Salophen配合物可以催化光化学水氧化为分子氧。S 2 O 8在pH 7.0的磷酸盐缓冲液中作为氧化剂。在金属Salophen配合物催化的水氧化成氧的过程中,包括CV,SEM,EDS,ESI-MS和DLS测量的实验结果表明,催化剂的催化活性是分子起源的。
更新日期:2019-11-06
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