Unexpected luminescent and quenching properties of metalloporphyrins in Langmuir-Blodgett structures: application to relative air-humidity sensing

Dmitry B. Papkovsky; Gely V. Ponomarev; Sergey F. Chernov; Ilya N. Kurochkin

doi:10.1117/12.144714

18 May 1993 Unexpected luminescent and quenching properties of metalloporphyrins in Langmuir-Blodgett structures: application to relative air-humidity sensing

Dmitry B. Papkovsky, Gely V. Ponomarev, Sergey F. Chernov, Ilya N. Kurochkin

Author Affiliations +

Proceedings Volume 1885, Advances in Fluorescence Sensing Technology; (1993) https://doi.org/10.1117/12.144714
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

Monomolecular thin solid films containing water-soluble Pt- and Pd-porphyrins were prepared and transferred onto solid supports. Surface active charged polymer on the basis of alkylated polyethyleneimine was used to improve extraction of the dye from aqueous solution to the interface. The solid-state materials obtained which showed intense long-decay luminescence were studied by optical methods with emphasis to luminescence quenching and lifetime measurements. The results were applied to quenched-luminescence lifetime-based sensing of relative air humidity. A corresponding fiber-optic prototype device was developed.

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Dmitry B. Papkovsky, Gely V. Ponomarev, Sergey F. Chernov, and Ilya N. Kurochkin "Unexpected luminescent and quenching properties of metalloporphyrins in Langmuir-Blodgett structures: application to relative air-humidity sensing", Proc. SPIE 1885, Advances in Fluorescence Sensing Technology, (18 May 1993); https://doi.org/10.1117/12.144714

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