Manipulating non-innocent π-spacers: the challenges of using 2,6-disubstituted BODIPY cores within donor–acceptor light-harvesting motifs
作者:Catherine Bonnier、Devin D. Machin、Omar Abdi、Bryan D. Koivisto
DOI:10.1039/c3ob40213d
日期:——
The syntheses and physicochemical properties for a series of 2,6-disubstituted-4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) dyes are reported. The use of chromophores or redox active species as Ï-spacers, such as BODIPY, requires the inclusion of a sufficiently conjugated donor in order to achieve appropriate charge separation upon photoexcitation. The information derived from this study offers guiding principles for incorporating strongly absorbing, non-innocent Ï-spacers in organic dye design.
报告了一系列 2,6-二取代-4,4-二氟-4-硼-3a,4a-二氮杂-s-茚(BODIPY)染料的合成和理化性质。使用发色团或氧化还原活性物种作为Ï-间隔物,如 BODIPY,需要加入足够共轭的供体,以便在光激发时实现适当的电荷分离。本研究获得的信息为在有机染料设计中加入强吸收、非无害的 Ï-垫片提供了指导原则。