Cyclometalated iridium(III) chelates-a new exceptional class of the electrochemiluminescent luminophores.
Cyclometalated iridium(III) chelates-a new exceptional class of the electrochemiluminescent luminophores.
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DOI：
10.1007/s00216-016-9615-8
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发表时间：
2016-10
影响因子：
4.3
通讯作者：
Kapturkiewicz, Andrzej
中科院分区：
文献类型：
--
作者：
Kapturkiewicz, Andrzej
关键词：
磷光环金属化铱（III）螯合物由于其优越的电化学和光物理性质，在许多光子应用方面取得了重大突破。这类特殊的5d6离子配合物吸引了越来越多的兴趣，因为它们在电致发光器件中的潜在应用具有将近100%的内部量子效率，可以将电能转换为光子。与电致发光类似，环金属化铱（III）螯合物已通过电化学发光（ECL）过程成功地应用于电光转换。已经报道的利用标题化合物的ECL系统显示出极高的ECL效率，这使得人们可以设想它们的许多潜在应用，特别是在进一步开发基于ECL的分析技术中。本综述基于最近发表的论文，重点介绍了这类非常令人兴奋的有机金属发光团的ECL特性。报告的工作，描述的结果从基础和面向应用的调查，将进行调查和简要讨论。根据环金属化铱（III）螯合物的化学性质，在电化学激发过程中可以产生不同颜色的发射光。
Recent development of the phosphorescent cyclometalated iridium(III) chelates has enabled, due to their advantageous electrochemical and photo-physical properties, important breakthroughs in many photonic applications. This particular class of 5d6 ion complexes has attracted increasing interest because of their potential application in electroluminescence devices with a nearly 100 % internal quantum efficiency for the conversion of electric energy to photons. Similar to electroluminescence, the cyclometalated iridium(III) chelates have been successfully applied in the electricity-to-light conversion by means of the electrochemiluminescence (ECL) processes. The already reported ECL systems utilizing the title compounds exhibit extremely large ECL efficiencies that allow one to envisage many potential application for them, especially in further development of ECL-based analytical techniques. This review, based on recently published papers, focuses on the ECL properties of this very exciting class of organometallic luminophores. The reported work, describing results from fundamental as well as application-oriented investigations, will be surveyed and briefly discussed. Depending on the chemical nature of the cyclometalated irdium(III) chelate different colours of the emitted light can be produced during electrochemical excitation.
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