Fluorescent detection of NO2 by free base tetraphenyl porphyrins

Paul A. Lane; Tim H. Richardson

doi:10.1117/12.896192

16 September 2011 Fluorescent detection of NO₂ by free base tetraphenyl porphyrins

Paul A. Lane, Tim H. Richardson

Proceedings Volume 8118, Organic Semiconductors in Sensors and Bioelectronics IV; 81180J (2011) https://doi.org/10.1117/12.896192
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

Abstract

The absorption and fluorescence of free base, tetraphenyl-substituted porphyrins are shown to be sensitive to exposure to NO₂. The Soret band absorption red-shifts and fluorescence is quenched by an order of magnitude. The fluorescence spectrum of a gassed sample is also red-shifted and broadened following exposure. Several solid state embodiments of a fluorescent sensor based upon free base porphyrins are proposed.

Citation Download Citation

Paul A. Lane and Tim H. Richardson "Fluorescent detection of NO₂ by free base tetraphenyl porphyrins", Proc. SPIE 8118, Organic Semiconductors in Sensors and Bioelectronics IV, 81180J (16 September 2011); https://doi.org/10.1117/12.896192

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