Issue 7, 2013
From the journal:

Journal of Materials Chemistry C

Poly(styrene)-graft-/rhodamine 6G–fluoromica hybrids: synthesis, characterization and photophysical properties

Giuseppe Leone,*a   Umberto Giovanella,*a   Fabio Bertini,a   William Porzio,a   Francesco Meinardi,b   Chiara Bottaa  and  Giovanni Riccia  

* Corresponding authors

a CNR Istituto per lo Studio delle Macromolecole (ISMAC), via E. Bassini 15, 20133 Milano, Italy
E-mail: giuseppe.leone@ismac.cnr.it, umberto.giovanella@ismac.cnr.it

b Dipartimento di Scienza dei Materiali, Università di Milano-Bicocca, via Cozzi 53, 20125 Milano, Italy

Abstract

Novel luminescent poly(styrene) (PS)-graft-/rhodamine 6G (R6G) dye–fluoromica clay hybrids have been synthesized and characterized by XRD, FTIR, TGA, DSC, SEC, UV-Vis, and continuous wave and time-resolved photoluminescence (PL) spectroscopies. The materials have been prepared by a two-step process: (i) co-intercalation of a R6G and 2,2,6,6-tetramethyl-1-piperidyloxy (TEMPO) based alkoxyamine cation within the clay layers and (ii) surface-initiated TEMPO-mediated polymerization of styrene. The final hybrid materials exhibit an improved thermal and chemical stability with respect to the pure R6G and higher solution-processability with respect to the pristine fluoromica, allowing for the fabrication of films suitable for optoelectronic applications. The coverage of the inorganic layer surface and the interlayer dye arrangement can be controlled by varying the employed amount of TEMPO and R6G, thus permitting us to tune the materials' photo-functions as proved by the photophysical characterization.

Graphical abstract: Poly(styrene)-graft-/rhodamine 6G–fluoromica hybrids: synthesis, characterization and photophysical properties

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Article information

DOI
https://doi.org/10.1039/C2TC00533F
Article type
Paper
Submitted
31 Oct 2012
Accepted
29 Dec 2012
First published
03 Jan 2013

J. Mater. Chem. C, 2013,1, 1450-1460

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Poly(styrene)-graft-/rhodamine 6G–fluoromica hybrids: synthesis, characterization and photophysical properties

G. Leone, U. Giovanella, F. Bertini, W. Porzio, F. Meinardi, C. Botta and G. Ricci, J. Mater. Chem. C, 2013, 1, 1450 DOI: 10.1039/C2TC00533F

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