期刊
CHEMISTRY LETTERS
卷 49, 期 2, 页码 203-206出版社
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.190823
关键词
Organic long-persistent luminescence; Exciplex; Charge separation
资金
- Japan Science and Technology Agency (JST), ERATO, Adachi Molecular Exciton Engineering Project, under JST ERATO, Japan [JPMJER1305]
- International Institute for Carbon Neutral Energy Research (WPI-I2CNER) - Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- JSPS KAKENHI [JP18H02049, JP18H04522]
- Mitsubishi Foundation
- Japanese Government (MEXT) Scholarship
Organic long-persistent luminescence (LPL) materials can overcome the disadvantages of inorganic LPL materials in terms of element sustainability, processability, and color tunability. However, all published electron donor/acceptor binary organic LPL systems show green emission. Here, we report an organic LPL system consisting of N,N,N',N'-tetrakis(p-diisobutylaminophenyl)-p-phenylenediamine (TBAPD) as a donor dopant and 2,8-bis(diphenylphosphoryl)dibenzo[b,d]thiophene (PPT) as an acceptor host. The TBAPD/PPT film exhibits orange photoluminescence (CIEx, CIEy = 0.49, 0.49) and LPL (CIEx, CIEy = 0.51, 0.48).
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