Tailoring thermally activated delayed fluorescence emitters for efficient electrochemiluminescence with tripropylamine as coreactant,RSC Advances

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Tailoring thermally activated delayed fluorescence emitters for efficient electrochemiluminescence with tripropylamine as coreactant
RSC Advances ( IF 3.9 ) Pub Date : 2023-11-24 , DOI: 10.1039/d3ra06863c
Luca Morgan ₁ , Giulio Pavan ₁ , Nicola Demitri ₂ , Chiara Alberoni ₁ , Thomas Scattolin ₁ , Marco Roverso ₁ , Sara Bogialli ₁ , Alessandro Aliprandi ₁

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Using a unified metal-free procedure, a selection of Thermally Activated Delayed Fluorescence (TADF) emitters has been synthesized and characterized. Different acceptor and donor moieties have been explored in order to develop red emitting dyes with reduction potentials suitable for the application in ECL using tri-propylamine as coreactant. The most promising compound shows terephthalonitrile as the acceptor and diphenylamines as donors, and it displayed an ECL efficiency that is double the one of the standard [Ru(bpy)₃](PF₆)₂. Based on such findings, a novel water-soluble TADF emitter (Na₄[4DPASO₃TPN]) has been synthesized and characterized to enable electrochemiluminescence in an aqueous medium.

中文翻译：

以三丙胺为共反应物定制热激活延迟荧光发射器以实现高效电化学发光

使用统一的无金属程序，合成并表征了一系列热激活延迟荧光（TADF）发射器。已经探索了不同的受体和供体部分，以开发具有还原电位的红色发光染料，适合使用三丙胺作为共反应剂在 ECL 中应用。最有前途的化合物以对苯二甲腈为受体，二苯胺为供体，其 ECL 效率是标准 [Ru(bpy) ₃ ](PF ₆ ) ₂的两倍。基于这些发现，我们合成并表征了一种新型水溶性TADF发射体（Na ₄ [4DPASO _{3 TPN]），可在水介质中实现电化学发光。}

更新日期：2023-11-24

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