Preparation of pH sensors by covalent linkage of dye molecules to the surface of polystyrene optical fibers | Zendy

Rao B. S. | Zendy; Puschett J. B. | Zendy; Matyjaszewski K. | Zendy

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Preparation of pH sensors by covalent linkage of dye molecules to the surface of polystyrene optical fibers

Author(s) -

Rao B. S.,

Puschett J. B.,

Matyjaszewski K.

Publication year - 1991

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.1991.070430510

Subject(s) - bromothymol blue , polystyrene , covalent bond , fiber , materials science , aqueous solution , optical fiber , polymer chemistry , molecule , chemical engineering , polymer , chemistry , composite material , optics , organic chemistry , physics , engineering

Functional Bromothymol Blue dyes containing amino groups in position 3 have been immobilized on the surface of chlorosulfonated polystyrene fibers and characterized by ESCA. Upon laser irradiation, a modified fiber has been used as an antenna fiber in a twisted pair of plastic optical fibers immersed in aqueous solutions having various pH. The light transmitted to the receiving fiber depends on pH values. This device can be used as a pH sensor.

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