Ultralong UV/mechano-excited room temperature phosphorescence from purely organic cluster excitons

Ultralong UV/mechano-excited room temperature phosphorescence from purely organic cluster excitons

Purely organic ultralong room temperature phosphorescence (URTP) attracts attention but high efficiencies are rarely achieved. Here the authors use ultrafast spectroscopy to investigate a system of 1,8-naphthalic anhydride in organic hosts and reveal that a cluster exciton forms as a transient state...

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Detalles Bibliográficos
Autores principales: Xuepeng Zhang, Lili Du, Weijun Zhao, Zheng Zhao, Yu Xiong, Xuewen He, Peng Fei Gao, Parvej Alam, Can Wang, Zhen Li, Jing Leng, Junxue Liu, Chuanyao Zhou, Jacky W. Y. Lam, David Lee Phillips, Guoqing Zhang, Ben Zhong Tang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Science
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Acceso en línea:https://doaj.org/article/fbafc59fcd3d4a42904c74f1fa6a18d9
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Sumario:Purely organic ultralong room temperature phosphorescence (URTP) attracts attention but high efficiencies are rarely achieved. Here the authors use ultrafast spectroscopy to investigate a system of 1,8-naphthalic anhydride in organic hosts and reveal that a cluster exciton forms as a transient state before the guest acts as an energy trap for the URTP state.

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