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X-ray excited ultralong room-temperature phosphorescence for organic afterglow scintillators

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Abstract

We present X-ray-excitable organic ultralong room temperature phosphorescence (X-OURTP) for afterglow scintillators through implanting lone-pair electron involved n–π* transitions and efficient charge transfer characters into H-aggregations of organic crystals. The thus designed X-OURTP molecule exhibits ultralong lifetimes up to 790 ms, high phosphorescence quantum yields of ∼8%, and excellent scintillation stability. These findings will pave the way to the design of organic afterglow scintillators, simulating extensive investigations on the extraordinary X-OURTP.

Graphical abstract: X-ray excited ultralong room-temperature phosphorescence for organic afterglow scintillators

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Article information


Submitted
07 Aug 2020
Accepted
04 Oct 2020
First published
09 Oct 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

X-ray excited ultralong room-temperature phosphorescence for organic afterglow scintillators

L. Tang, J. Zan, H. Peng, X. Yan, Y. Tao, D. Tian, Q. Yang, H. Li, Q. Chen, W. Huang and R. Chen, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC05389A

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