Interfacial Synthesis of Conjugated Crystalline 2D Fluorescent Polymer Film Containing Aggregation-Induced Emission Unit.
2D polymers
Glaser-Hay coupling
aggregation-induced emission
luminescent materials
Journal
Small (Weinheim an der Bergstrasse, Germany)
ISSN: 1613-6829
Titre abrégé: Small
Pays: Germany
ID NLM: 101235338
Informations de publication
Date de publication:
Jul 2019
Jul 2019
Historique:
received:
29
10
2018
revised:
28
11
2018
pubmed:
22
1
2019
medline:
22
1
2019
entrez:
22
1
2019
Statut:
ppublish
Résumé
A fully conjugated 2D fluorescent film containing a tetraphenylethene (TPE) unit is constructed by Glaser-Hay coupling reaction on the surface of copper foil. A large-area, freestanding fluorescent films with an average thickness 4.5 nm can be obtained through the strategy of solid-liquid interfacial synthesis. The film and the pore structure are characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray photoelectron spectroscopy (XPS). High-resulution TEM and selected area electron diffraction (SAED) further confirm the dual pores structure with triangular- and hexagonal-shaped pores. The as-prepared 2D films exhibit excellent solid-state fluorescence emission arising from the confinement of TPE units.
Identifiants
pubmed: 30663228
doi: 10.1002/smll.201804519
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1804519Subventions
Organisme : National Natural Science Foundation of China
ID : 21604046
Organisme : Natural Science Foundation of Shandong Province
ID : ZR2016XJ004
Organisme : Shandong Provincial Natural Science Foundation, China
ID : ZR2016XJ004
Informations de copyright
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.