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Two novel benzene sulfonamide-modified luminescent nanosystems and their sensing features

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Abstract

A novel benzene sulfonamide-appended silica precursor has been designed and it played dual roles. Firstly, typical green emissions derived from ff transitions have been achieved through its complexation with terbium ions. Secondly, the hydrolysis–polycondensation process that leads to new organic–inorganic hybrid material has been realized by its reactive trimethoxysilane unit. Different microstructures, controllable synthesis, and their photophysical properties were investigated. Importantly, these novel nanosystems were demonstrated to be capable of monitoring Cu2+ in terms of sharp luminescence changes.

Graphical Abstract

A novel benzene sulfonamide-appended silica precursor has been designed, and typical green emissions derived from ff transitions have been achieved. The hydrolysis–polycondensation process that leads to new organic–inorganic hybrid material has been realized by its reactive trimethoxysilane unit. Importantly, these novel nanosystems were demonstrated to be capable of monitoring Cu2+ in terms of sharp luminescence changes.

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Acknowledgments

Q. M. acknowledges the support from National Natural Science Foundation of China (Nos. 21371063; 21328503), excellent university young scholar fund of Guangdong province (Yq2013053), Guangzhou city scientific research fund (2014J4100054) and Guangdong Science and Technology plan (2013B010403025).

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Correspondence to Qianming Wang.

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Wang, Z., Wang, Q. Two novel benzene sulfonamide-modified luminescent nanosystems and their sensing features. J Sol-Gel Sci Technol 76, 164–170 (2015). https://doi.org/10.1007/s10971-015-3763-8

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  • DOI: https://doi.org/10.1007/s10971-015-3763-8

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