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