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Title: Unimolecular photoconversion of multicolor luminescence on hierarchical self-assemblies
Authors: Zhu, Liangliang
Li, Xin
Zhang, Quan
Ma, Xing
Li, Menghuan
Zhang, Huacheng
Luo, Zhong
Ågren, Hans
Zhao, Yanli
Keywords: DRNTU::Science::Chemistry
Issue Date: 2013
Source: Zhu, L., Li, X., Zhang, Q., Ma, X., Li, M., Zhang, H., et al. (2013). Unimolecular photoconversion of multicolor luminescence on hierarchical self-assemblies. Journal of the American chemical society, 135(13), 5175-5182.
Series/Report no.: Journal of the American chemical society
Abstract: Facile tuning of photophysical properties is highly desirable for boosting the performance and versatility of photoluminescent materials. In an attempt to overcome the challenge of achieving the photoswitching of multicolor luminescence on unimolecular platforms, we here report a novel hierarchical self-assembly of a cyanostilbene–naphthalimide dyad as the realization of phototunable luminescence at the unimolecular level. The work takes advantage of the photoisomerization of the cyanostilbene moiety from the Z form to its E form, which causes a morphological disorder in the molecular self-assembly and gives rise to a dual fluorescent characteristic accompanied by a progressive luminescent color conversion from yellow to green and finally to blue. Such systems with convertible multicolor luminescence might exhibit application potentials for unimolecular selective imaging and labeling, as exemplified by the cell imaging studies presented in this work.
DOI: 10.1021/ja400456h
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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