Light-emitting molecular devices based on transition metals

被引：330

作者：

Amendola, V ^{[1
]}

Fabbrizzi, L ^{[1
]}

Foti, F ^{[1
]}

Licchelli, M ^{[1
]}

Mangano, C ^{[1
]}

Pallavicini, P ^{[1
]}

Poggi, A ^{[1
]}

Sacchi, D ^{[1
]}

Taglietti, A ^{[1
]}

机构：

[1] Univ Pavia, Dipartimento Chim Gen, I-27100 Pavia, Italy

来源：

COORDINATION CHEMISTRY REVIEWS | 2006年 / 250卷 / 3-4期

关键词：

molecular devices; fluorescence switches; scorpionates; helicates; ion translocation;

D O I：

10.1016/j.ccr.2005.04.022

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Multicomponent systems have been designed, which are able to perform defined functions related to light emission and quenching. The desired function can be switched ON/OFF by the operator through a chemical input, either a change of pH or a variation of the redox potential. Transition metals (e.g. Ni-II, Cu-II) are key constituents within the considered systems, playing a distinctive architectural role and favouring electron transfer processes. Investigated devices include static molecular switches, in which fluorescence can be quenched/restored through an acid-base or an oxidation-reduction reaction directly involving the metal centre, and dynamic switches, in which changes of the light emission intensity follow mechanical motions of the ligating framework. Motions include the oscillation of the pendant ann in scorpionate complexes, the metal ion translocation in a ditopic ligand and the assembling-disassembling of helicates. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：273 / 299

页数：27

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