Controlling energy transfer in ytterbium complexes: oxygen dependent lanthanide luminescence and singlet oxygen formation.

Controlling energy transfer in ytterbium complexes: oxygen dependent lanthanide luminescence and singlet oxygen formation.
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控制镱配合物中的能量转移:氧依赖性镧系元素发光和单线态氧形成。

DOI:
10.1039/c5cc06891f
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发表时间:
2015
期刊:
Chemical communications (Cambridge, England)
影响因子:
--
通讯作者:
Watkis A
Watkis A
中科院分区:
--
文献类型:
--
作者:
Watkis A

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使用 Ugi 反应制备了芘附加镱络合物,以改变发色团与镧系元素的分离。镱(III)激发态的形成是通过发色团的单重激发态和三重激发态来敏化的。后者的能量转移相对缓慢,并产生依赖于氧的发光。
Pyrene-appended ytterbium complexes have been prepared using Ugi reactions to vary the chromophore–lanthanide separation. Formation of the ytterbium(III) excited state is sensitised via both the singlet and triplet excited states of the chromophore. Energy transfer from the latter is relatively slow, and gives rise to oxygen-dependent luminescence.
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