Issue 36, 2014

The self-aggregation of fluorophore-triphenylamine nanostructures with tunable luminescent properties: the effect of acidity and rare earth ions

Abstract

A D–π–A type triphenylamine derivative 3-(4-(diphenylamino)phenyl)acrylic acid (abbreviated as L) is designed, synthesized and characterized by single crystal X-ray diffraction analysis. The self-aggregation of L nanostructures in different acidity aqueous solutions and/or under the guidance of rare earth (RE) ions is studied, along with the corresponding optical properties. In strong acidic conditions, L molecules self-assemble to form two dimensional nanostructures. While in neutral aqueous solutions, L tends to form nanorods. In the strong alkali environment, nanofibers were obtained. Moreover, in acidic conditions, the existence of Tm3+ induces the L molecules to self-aggregate into nanoplates. Flower-like six branched structures are observed when Yb3+ is used. The changed morphology leads to tunable linear optical properties.

Graphical abstract: The self-aggregation of fluorophore-triphenylamine nanostructures with tunable luminescent properties: the effect of acidity and rare earth ions

Supplementary files

Article information

Article type
Paper
Submitted
22 Dec 2013
Accepted
27 Feb 2014
First published
28 Feb 2014

RSC Adv., 2014,4, 18981-18988

Author version available

The self-aggregation of fluorophore-triphenylamine nanostructures with tunable luminescent properties: the effect of acidity and rare earth ions

Q. Chen, L. Kong, Y. Tian, X. Xu, L. Yang, G. Zhang, W. Jia and J. Yang, RSC Adv., 2014, 4, 18981 DOI: 10.1039/C3RA47893A

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