White light emission from an upconverted emission based on triplet-triplet annihilation with rose bengal as the sensitizer

被引：0
|
作者：
Chen, Hung-Cheng [1 ,2 ]
Hung, Chen-Yen [1 ]
Lin, Chih-Wei [1 ,3 ]
Wang, Kuan-Hsiang [1 ,3 ]
Lee, Mandy M. M. [1 ]
Chen, Peilin [4 ]
Chow, Tashin J. J. [1 ]
Hsu, Chao-Ping [1 ]
Sun, Shih-Sheng [1 ]
机构：
[1] Acad Sinica, Inst Chem, Taipei 115, Taiwan
[2] Natl Univ Kaohsiung, Dept Appl Chem, Kaohsiung 81148, Taiwan
[3] Natl Cent Univ, Dept Chem, Jhongli 32001, Taiwan
[4] Acad Sinica, Res Ctr Appl Sci, Taipei 115, Taiwan
来源：
PURE AND APPLIED CHEMISTRY | 2023年 / 95卷 / 04期
关键词：
Energy upconversion; ICPOC-25; rose bengal; triplet sensitizer; triplet-triplet annihilation;
D O I：
10.1515/pac-2023-0210
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this work, we report an energy upconversion system based on triplet-triplet annihilation comprised of rose bengal dye as the sensitizer and a highly fluorescent 9-(triphenyl)ethynyl-10-phenylanthracene (TPE-PAn) as the triplet annihilator. The energy upconversion can be observed with a low-power laser excitation at 532 nm or noncoherent Xe arc lamp excitaion at 540 nm. A delayed fluorescence from (TPE-PAn) at 418 nm was observed with an energy upconversion up to 0.64 eV and quantum yield of 0.8 %. A white-light emission was achieved as a result of combination of delayed fluorescence from TPE-PAn and residual fluorescence from rose bengal dye.
引用
收藏
页码：413 / 419
页数：7
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