Heterometallic complex formation on p-sulfonatothiacalix[4]arene platform resulting in pH- and redox-modification of [Ru(bpy)3]2+ luminescence

被引：14

作者：

Mustafina, Asiya R. ^{[1
]}

Skripacheva, Viktoriya V. ^{[1
]}

Burilov, Vladimir A. ^{[1
]}

Yanilkin, Vitaliy V. ^{[1
]}

Amirov, Rustem R. ^{[2
]}

Stepanov, Alexey S. ^{[1
]}

Soloveva, Svetlana E. ^{[1
]}

Antipin, Igor S. ^{[2
]}

Konovalov, Alexander I. ^{[1
]}

机构：

[1] AE Arbuzov Inst Organ & Phys Chem, Kazan 420088, Russia

[2] AM Butlerov Chem Res Inst, Kazan 420008, Russia

来源：

INORGANICA CHIMICA ACTA | 2009年 / 362卷 / 09期

关键词：

Fluorimetry; Heterometallic complex; Quenching; p-Sulfonatothiacalix[4]arene; Inclusion; ELECTRONIC-ENERGY TRANSFER; ARTIFICIAL PHOTOSYNTHESIS; TRANSITION-METAL; ION; RUTHENIUM(II); INCLUSION; BEHAVIOR; RU(II); STATE;

D O I：

10.1016/j.ica.2009.02.039

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The pH-dependent heterometallic complex formation with p-sulfonatothiacalix[4]arene (TCAS) as bridging ligand in aqueous solutions was revealed by the use of spectrophotometry, nuclear magnetic relaxation and fluorimetry methods. The novelty of the structural motif presented is that the appendance of emission metal center ([Ru(bpy)(3)](2+)) is achieved through the cooperative non-covalent interactions with the upper rim of TCAS. The second metal block (Fe(III), Fe(II) and Mn(II)), bound with the lower rim of TCAS in the inner sphere coordination mode is serving as quencher of [Ru(bpy)(3)](2+) emission. The difference between the complex ability of Fe( III) and Fe( II) ions provides pH conditions for redox-dependent emission of [Ru(bpy)(3)](2+). (C) 2009 Elsevier B. V. All rights reserved.

引用

页码：3279 / 3284

页数：6

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