期刊
LANGMUIR
卷 24, 期 23, 页码 13730-13735出版社
AMER CHEMICAL SOC
DOI: 10.1021/la8027226
关键词
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资金
- National Natural Science Foundation of China [20574027]
- 973 Program [2009CB939701]
- Program for New Century Excellent Talents in University (NCET)
A diaryldiketopyrrolopyrrole derivative functionalized with phenothiazine moieties (PPPP) was synthesized and introduced into the ordered 4-(3,6-di-tert-butyl-9H-carbazol-9-yl)benzamide (TBCB) organogel system. It was found that TBCB-based gel became a scaffold to make DPPP Molecules line up along the gel fibers, resulting in new self-assembled arrays, whose XRD patterns were quite different from those of the neat TBCB gel and DPPP crystal. In the composite gel, the occurrence of a partial energy transfer from the excited light-harvesting antenna of TBCB to the DPPP acceptor was confirmed on the basis of time-dependent and time-resolved fluorescence investigations. Remarkably, the composite gel could emit intense red light or purplish white light by tuning the excitation wavelength. Such ordered soft materials with color-tunable emission may possess potential applications in sensor and photonic devices.
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