Monte Carlo simulation of radiation trapping and quenching of photofragment fluorescence after 193 nm photolysis of NaCl
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions
- Vol. 91 (13) , 1931-1934
- https://doi.org/10.1039/ft9959101931
Abstract
The concentration of gas-phase NaCl is measured by monitoring Na photofragment fluorescence after 193 nm excimer laser photodissociation. Radiation trapping is observed for NaCl concentrations over 20 ppm resulting in a non-linear response of fluorescence with NaCl concentration. A Monte Carlo simulation of radiation trapping and quenching is performed to model the fluorescence response and to predict fluorescence intensities under the high-pressure conditions found in coal gasification.Keywords
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