Heterodinuclear Ni(II) and Cu(II) Schiff base complexes and their activity in oxygen reduction

被引：11

作者：

Realista, Sara ^{[1
]}

Ramgi, Priscila ^{[1
]}

Cardoso, Bernardo de P. ^{[1
]}

Melato, Ana I. ^{[1
]}

Viana, Ana S. ^{[1
]}

Calhorda, Maria Jose ^{[1
]}

Martinho, Paulo N. ^{[1
]}

机构：

[1] Univ Lisbon, DQB, Fac Ciencias, Ctr Quim & Bioquim, P-1749016 Lisbon, Portugal

来源：

DALTON TRANSACTIONS | 2016年 / 45卷 / 37期

关键词：

MOLECULAR-ORBITAL METHODS; EFFECTIVE CORE POTENTIALS; GAUSSIAN-TYPE BASIS; ELECTRONIC-STRUCTURE; OXIDIZED NI; ELECTROCHEMICAL-BEHAVIOR; ENERGY-CONVERSION; IONIC-SOLUTIONS; 3RD-ROW ATOMS; BASIS-SETS;

D O I：

10.1039/c6dt01903j

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

New Cu(II)/Ni(II) heterodinuclear complexes with salphen-type ligands were synthesised via a stepwise template method. DFT studies were performed to understand their electronic properties, showing localisation of the HOMO on the Ni(II) fragment, while in the oxidised species the spin density was high at some carbon phenolate atoms. These new complexes were potentiodynamically electropolymerised on glassy carbon and platinum. Atomic force microscopy was used to evaluate the influence of the metal centres on the morphology of the polymers, revealing how the presence of Cu(II) increased the surface roughness. The oxygen reduction reaction was observed on both glassy carbon and platinum modified electrodes in neutral medium.

引用

页码：14725 / 14733

页数：9

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