Full‐Color Tunable Circularly Polarized Luminescent Nanoassemblies of Achiral AIEgens in Confined Chiral Nanotubes

Circularly polarized luminescent (CPL) materials are currently attracting great interest. While a chiral building is usually necessary in order to obtain CPL materials, here, this study proposes a general approach for fabricating 1D circularly polarized luminescent nanoassemblies from achiral aromat...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2017-05, Vol.29 (19), p.n/a
Main Authors: Han, Jianlei, You, Jing, Li, Xianggao, Duan, Pengfei, Liu, Minghua
Format: Article
Language:English
Subjects:
Agglomeration
aggregation‐induced emissions
Aromatic compounds
Chirality
chirality transfers
Circular polarization
circularly polarized luminescence
Color
Emissivity
Encapsulation
Luminescence
Materials science
Nanotubes
organogels
self‐assembly
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Summary:Circularly polarized luminescent (CPL) materials are currently attracting great interest. While a chiral building is usually necessary in order to obtain CPL materials, here, this study proposes a general approach for fabricating 1D circularly polarized luminescent nanoassemblies from achiral aromatic molecules or aggregation‐induced emissive compounds (AIEgens). It is found that a C3 symmetric chiral gelator can individually form hexagonal nanotube structures and encapsulate the guest molecules. When achiral AIEgens are encapsulated into the confined nanotubes via organogelation, the AIEgens will emit circularly polarized luminescence. Further, the direction of the CPL could be controlled by the supramolecular chirality of the nanotube. Remarkably, the approach is universal and various kinds of the AIEgens can be doped to show such property, providing a full‐color‐tunable circularly polarized luminescence. Circularly polarized luminescence is observed from achiral dyes doped in confined chiral nanotube organogels which are assembled from C3 symmetric chiral gelators with hexagonal tubular structures. This provides a versatile approach for fabricating 1D circularly polarized luminescent materials.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201606503