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Rhodamine B hydrazide loaded polysulfone fabrics for Cu(II) detection: Morphological and optical properties
Author(s) -
Morsi Rania E.,
Elsawy Moataz,
Ali MennatAllah M.,
Gentili Denis,
Cavallini Massimiliano,
Manet Ilse,
Bandini Elisa,
Venturini Alessandro,
Benaglia Massimo,
Ventura Barbara
Publication year - 2020
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.48408
Subject(s) - polysulfone , materials science , rhodamine b , electrospinning , phase inversion , rhodamine , chemical engineering , membrane , composite number , contact angle , nanofiber , wetting , scanning electron microscope , polymer chemistry , composite material , fluorescence , chemistry , polymer , optics , organic chemistry , photocatalysis , engineering , physics , catalysis , biochemistry
Polysulfone‐based materials were fabricated as casted films, porous membranes, and nanofibers by solution casting, phase inversion process, and electrospinning technique, respectively. Photoactive rhodamine B hydrazide molecules were loaded into the fabrics either in preloading or postloading processes. The morphological structure of the fabrics was investigated by scanning electron microscopy and the wettability was determined by contact angle measurements. Detailed spectroscopic characterizations of the closed and open forms of rhodamine B was performed both in solution and in the solid‐state composite materials. Theoretical investigations supported the depiction of the absorption and emission features of the two forms. The response of the prepared composite materials to Cu(II) ions has been tested by absorption and emission spectroscopy and confocal fluorescence imaging. The most effective materials for Cu(II) detection were found to be polysulfone films prepared by phase inversion and postloaded with 10% rhodamine B hydrazide. These results open the way to the development of composite sensory membranes. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020 , 137 , 48408.