期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 17, 期 48, 页码 32297-32303出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cp05232g
关键词
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资金
- National Natural Science Foundation of China [21401159, 21125104, 51373039]
- Specialized Research Fund for DPHE [20120071130008]
- Program for University Innovative Research Team of Henan [15IRTSTHN001, 2012IRTSHN017]
- Science and Technology Key Project of Henan Education Department [13A150760]
A two-component light-harvesting organogel containing a naphthalimide-based gelator (1) as a donor and a phosphorescent Ir(III) complex [Ir(bt)(2)(acac)] (bt = 2-phenylbenzothiazole and acac = acetylacetone) (Ir) as an acceptor was used to produce white-light-emitting organogels. The addition of complex Ir to the gel 1 had a certain effect on the self-assembly behaviour of molecule 1, but did not affect the gelation ability, mechanical strength and structure surface wettability of the gel. The optical properties of the two-component gel 1-Ir could be tuned via high intermolecular energy transfer efficiency between 1 and complex Ir, which was confirmed by geometry optimizations and harmonic vibrational analyses. The white-light-emitting organogel was obtained with the molar ratio of complex Ir in the range of 0.3-1.0. In particular, the gel 1-Ir with the addition of 0.5 equivalent of Ir could emit white-light with the Commission Internationale de L' eclairage (CIE) coordinates of 0.33 and 0.31 under the excitation of 374 nm light.
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