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Room temperature phosphorescence lifetime and spectrum tuning of substituted thianthrenes.

Pander, Piotr and Swist, Agnieszka and Soloducho, Jadwiga and Dias, Fernando B. (2017) 'Room temperature phosphorescence lifetime and spectrum tuning of substituted thianthrenes.', Dyes and pigments., 142 . pp. 315-322.

Abstract

A group of thianthrene derivatives has been studied to investigate the effect of different substituents and substitution positions on their photophysical behavior. Strong room temperature phosphorescence (RTP) and dual fluorescence-phosphorescence at room temperature (RT-DFP) have been observed. Compounds with efficient (Φ ≈ 0.4) yellow and long-lived (τ = 88 ± 6 ms) green phosphorescence have been characterized. The involvement of nπ* and ππ* states was evaluated to explain their high triplet formation yield and phosphorescent properties. To give an insight into electron properties of studied molecules cyclic voltammetry and DFT calculations have been performed.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.dyepig.2017.03.049
Publisher statement:© 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
Date accepted:10 March 2017
Date deposited:02 May 2017
Date of first online publication:24 March 2017
Date first made open access:02 May 2017

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