Octahedral molybdenum cluster complexes with aromatic sulfonate ligands

被引：67
作者：
Efremova, Olga A. [1 ,2 ]
Vorotnikov, Yuri A. [3 ]
Brylev, Konstantin A. [3 ,4 ]
Vorotnikova, Natalya A. [3 ]
Novozhilov, Igor N. [3 ]
Kuratieva, Natalia V. [3 ,4 ]
Edeleva, Mariya V. [5 ]
Benoit, David M. [1 ]
Kitamura, Noboru [6 ]
Mironov, Yuri V. [3 ,4 ]
Shestopalov, Michael A. [3 ,4 ]
Sutherland, Andrew J. [2 ]
机构：
[1] Univ Hull, Dept Chem, Cottingham Rd, Kingston Upon Hull HU6 7RX, N Humberside, England
[2] Aston Univ, Aston Mat Ctr, Birmingham B4 7ET, W Midlands, England
[3] Nikolaev Inst Inorgan Chem SB RAS, 3 Acad Lavrentiev Ave, Novosibirsk 630090, Russia
[4] Novosibirsk State Univ, 2 Pirogova Mr, Novosibirsk 630090, Russia
[5] Novosibirsk Inst Organ Chem SB RAS, 9 Acad Lavrentiev Ave, Novosibirsk 630090, Russia
[6] Hokkaido Univ, Dept Chem, Fac Sci, Sapporo, Hokkaido 0600810, Japan
来源：
DALTON TRANSACTIONS | 2016年 / 45卷 / 39期
基金：
俄罗斯基础研究基金会; 日本学术振兴会;
关键词：
HEXANUCLEAR MOLYBDENUM; PHOTODYNAMIC THERAPY; SILICA NANOPARTICLES; ELECTRONIC-STRUCTURE; VIBRATIONAL-SPECTRA; CRYSTAL-STRUCTURES; SINGLET OXYGEN; LUMINESCENCE; BR; REDOX;
D O I：
10.1039/c6dt02863b
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
This article describes the synthesis, structures and systematic study of the spectroscopic and redox properties of a series of octahedral molybdenum metal cluster complexes with aromatic sulfonate ligands (nBu(4)N)(2)[{Mo6X8}(OTs)(6)] and (nBu(4)N)(2)[{Mo6X8}(PhSO3)(6)] (where X- is Cl-, Br- or I-; OTs- is p-toluenesulfonate and PhSO3- is benzenesulfonate). All the complexes demonstrated photoluminescence in the red region and an ability to generate singlet oxygen. Notably, the highest quantum yields (>0.6) and narrowest emission bands were found for complexes with a {Mo6I8}(4+) cluster core. Moreover, cyclic voltammetric studies revealed that (nBu(4)N)(2)[{Mo6X8}(OTs)(6)] and (nBu(4)N)(2)[{Mo6X8}(PhSO3)(6)] confer enhanced stability towards electrochemical oxidation relative to corresponding starting complexes (nBu(4)N)(2)[{Mo6X8}X-6].
引用
收藏
页码：15427 / 15435
页数：9
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