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Exploring the dark: detecting long-lived Nile Red 3ILCT states in Ru(II) polypyridyl photosensitisers
Journal of Materials Chemistry C ( IF 6.4 ) Pub Date : 2021-09-08 , DOI: 10.1039/d1tc02830h
Claire Condon 1 , Robert Conway-Kenny 1 , Xiaoneng Cui 1 , Lukas J. Hallen 1 , Brendan Twamley 1 , Jianzhang Zhao 2 , Graeme W. Watson 1 , Sylvia M. Draper 1
Affiliation  

Two novel Ru(II) photosensitisers sporting ethynyl-Nile Red chromophores are shown to absorb strongly in the visible region, and to have two distinct but weakly emissive states (1ILCT* and 3MLCT*). In addition a long-lived, lower energy ‘dark’ (non-emissive) triplet excited state is identified (3ILCT*) and successfully exploited for singlet oxygen generation.

中文翻译:

探索黑暗:检测 Ru(II) 多吡啶基光敏剂中长寿命的尼罗红 3ILCT 状态

两种具有乙炔基-尼罗红发色团的新型 Ru( II ) 光敏剂在可见光区具有强烈吸收,并具有两种不同但微弱的发射状态(1 ILCT* 和3 MLCT*)。此外,还确定了一种寿命长、能量较低的“暗”(非发射)三重激发态 ( 3 ILCT*),并成功地用于单线态氧的产生。
更新日期:2021-09-17
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