o-Carborane-based fluorophores as efficient luminescent systems both as solids and as water-dispersible nanoparticles

Sohini Sinha; Zsolt Kelemen; Evelyn Hümpfner; Imma Ratera; Jean-Pierre Malval; José Piers Jurado; Clara Viñas; Francesc Teixidor; Rosario Núñez

doi:10.1039/D1CC07211K

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o-Carborane-based fluorophores as efficient luminescent systems both as solids and as water-dispersible nanoparticles†‡

Sohini Sinha,

^a Zsolt Kelemen,

^b Evelyn Hümpfner,

^b Imma Ratera,

^ac Jean-Pierre Malval,

^d José Piers Jurado,^a Clara Viñas,

^a Francesc Teixidor

^a and Rosario Núñez

*^a

Author affiliations

* Corresponding authors

^a Institut de Ciència de Materials de Barcelona (ICMAB-CSIC), Campus U.A.B., Barcelona, Spain
E-mail: rosario@icmab.es

^b Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Mũegyetem Rkp 3, H-1111 Budapest, Hungary

^c CIBER de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), 28029 Madrid, Spain

^d Université de Haute-Alsace, Institut de Science des Matériaux de Mulhouse (CNRS-UMR7361), 15 rue Jean Starcky BP 2488, 68057 Mulhouse, France

Abstract

A set of o-carborane-appended π-conjugated fluorophores and their light-emitting properties in the solid state are reported. The aggregation-induced emission enhancement (AIEE) exhibited for one of the fluorenyl derivatives paved the way to successfully preparing o-carborane-containing organic nanoparticles (NPs) homogeneously dispersed in aqueous media that maintain their luminescence properties. Notably, NPs processed as thin films also show high fluorescence efficiency, suggesting potential optical and optoelectronic applications.

This article is part of the themed collection: Boron Chemistry in the 21st Century: From Synthetic Curiosities to Functional Molecules

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Article information

DOI: https://doi.org/10.1039/D1CC07211K
Article type: Communication
Submitted: 23 12 2021
Accepted: 24 2 2022
First published: 24 2 2022
This article is Open Access

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Chem. Commun., 2022,58, 4016-4019

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o-Carborane-based fluorophores as efficient luminescent systems both as solids and as water-dispersible nanoparticles

S. Sinha, Z. Kelemen, E. Hümpfner, I. Ratera, J. Malval, J. P. Jurado, C. Viñas, F. Teixidor and R. Núñez, Chem. Commun., 2022, 58, 4016 DOI: 10.1039/D1CC07211K

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Chemical Communications

o-Carborane-based fluorophores as efficient luminescent systems both as solids and as water-dispersible nanoparticles†‡

Abstract

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o-Carborane-based fluorophores as efficient luminescent systems both as solids and as water-dispersible nanoparticles

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