Solid‐State Light Emission Controlled by Tuning the Hierarchical Superstructure of Self‐Assembled Luminogens

Solid‐state luminescence is an important strategy for color generation via molecular self‐assembly. Here, a new luminogen (AT3EMIS) containing both a rigid chromophore and a flexible dendron is designed and synthesized for multicolor emission. The emission energy of the target material is precisely...

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Bibliographic Details
Published in:Advanced functional materials 2018-04, Vol.28 (14), p.n/a
Main Authors: Kim, Dae‐Yoon, Koo, Jahyeon, Lim, Seok‐In, Jeong, Kwang‐Un
Format: Article
Language:English
Subjects:
chromophores
Emissions control
Light emission
liquid crystals
Luminescence
Materials science
Optical properties
phase transitions
supramolecular chemistry
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Summary:Solid‐state luminescence is an important strategy for color generation via molecular self‐assembly. Here, a new luminogen (AT3EMIS) containing both a rigid chromophore and a flexible dendron is designed and synthesized for multicolor emission. The emission energy of the target material is precisely controlled by adjusting three different columnar arrays through thermal and mechanical stimulation. With well‐defined supramolecular organizations in different length scales, the luminescent properties of the light switch can be tuned. Supramolecular luminogens consist of a rigid chromophore with a flexible dendron, and the self‐assembled columnar superstructure described here can provide highly predictable guidelines for switching the multicolor luminescence.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.201707075