期刊
JOURNAL OF LUMINESCENCE
卷 263, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jlumin.2023.119978
关键词
Persistent room-temperature phosphorescence; Persistent luminescence; Color-tuning; Polymer matrices
类别
In this study, 8-naphthylimide (NI) was doped in polyvinyl alcohol (PVA) or polyacrylic acid (PAA) matrices (0.2%, mass ratio) to achieve persistent room-temperature phosphorescence (pRTP). The pRTP is attributed to the formation of a rigid environment constructed by abundant hydrogen bonds. Additionally, color-tunable persistent luminescence of RB@NI@PVA and RB@NI@PAA doped films was successfully achieved through phosphorescent resonance energy transfer strategy, utilizing the overlap between NI's phosphorescent emission and Rhodamine B's absorption.
1, 8-Naphthylimide (NI) was doped in polyvinyl alcohol (PVA) or polyacrylic acid (PAA) matrices (0.2%, mass ratio) to achieve persistent room-temperature phosphorescence (pRTP). The resulting pRTP can be attributed to the formation of a rigid environment constructed by abundant hydrogen bonds. Moreover, due to the overlap between NI's phosphorescent emission and Rhodamine B's absorption, the color-tunable persistent luminescence of RB@NI@PVA and RB@NI@PAA doped films were successfully achieved through phosphorescent resonance energy transfer strategy. This work provided an effective way to achieve the pRTP of NI by polymer doping, as well as persistent luminescence of Rhodamine B by phosphorescence resonance energy transfer from NI in the developed phosphorescent film system.
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