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首页> 外文期刊>RSC Advances >Modulation of singlet oxygen generation in halogenated BODIPY dyes by substitution at their meso position: towards a solvent-independent standard in the vis region
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Modulation of singlet oxygen generation in halogenated BODIPY dyes by substitution at their meso position: towards a solvent-independent standard in the vis region

机译：在其Meso位置取代时卤化BODIPY染料中单次氧气产生的调节：朝向VIS区溶剂无关标准

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摘要

A series of halogenated BODIPY with different substitutions patterns at meso position such as aryl groups and heteroatoms (methylthio (MeS) and amino (NR _(2) ) groups) with various electron-donor and electron-withdrawing properties are studied. A detailed analysis of their photophysical properties as well as a thorough determination of their singlet oxygen quantum yields enlightens the role of the substituents at the meso position. Importantly, one of the new halogenated BODIPY with a methylthio group at the meso position, with intense absorption band in the visible region is proposed as a suitable reference with high singlet oxygen quantum yield, practically constant in different solvents of a wide polarity range.
机译：研究了各种电子供体和杂原子（甲基硫基（MES）和氨基（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（NR _（2））和吸电子性能的情况下进行的一系列卤化BODIPY。对其光学性性质的详细分析以及彻底测定其单线氧量子产率来启发取代基在MESO位置的作用。重要的是，在Meso位置的新卤化BODIPY中的一种新的卤代硫倍一体，在可见区域中具有强吸收带，作为具有高单次氧量子产率的合适的参考，几乎恒定的宽度范围的不同溶剂。

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