Single-Collision Gas-Surface Vibrational Energy Transfer in a Reacting System

Article abstract of DOI:10.1021/j150609a006

Gas-surface vibrational energy accomodation in a rective system has been studied under single-collision conditions.The reaction system is the isomerization of cyclobutene to 1,3-butadiene.Both seasoned pyrex and silica surfaces were used over the temperature ranges 400-775 and 500-975 K, respectively.Strong collider behavior was observed below ca. 425 K.The vibrational energy accomodation coefficient was found to decrease with rise of temperature from ca. 1.0 to 0.2, while the relative collisional efficiency β₁ declined from ca. 1.0 to 0.008.A stochastic model was used to fit the data.