CO2 formation yields from different States of CO adsorbed on amorphous solid water under 157nm photoirradiation

Shohei Matsuda; Motoki Yamazaki; Akira Harata; Akihiro Yabushita

doi:10.1246/cl.171121

CO₂ formation yields from different States of CO adsorbed on amorphous solid water under 157nm photoirradiation

Shohei Matsuda, Motoki Yamazaki, Akira Harata, Akihiro Yabushita

Research output: Contribution to journal › Article

Abstract

There are two different adsorption States of CO on amorphous solid water (ASW): one adsorption state consists of CO interacting with non-hydrogen-bonded (dangling) OH, while the other consists of CO interacting with bonded OH. Photoirradiation onto ASW at 157 nm induces CO₂ formation through the reaction of CO with OH, where OH originates from the photodissociation of H₂O ice. The preferential formation of CO₂ would explain the missing infrared CO band in the observation of interstellar ice particles.

Original language	English
Pages (from-to)	468-471
Number of pages	4
Journal	Chemistry Letters
Volume	47
Issue number	4
DOIs	https://doi.org/10.1246/cl.171121
Publication status	Published - Jan 1 2018

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All Science Journal Classification (ASJC) codes

Chemistry(all)

Cite this

Matsuda, S., Yamazaki, M., Harata, A., & Yabushita, A. (2018). CO₂ formation yields from different States of CO adsorbed on amorphous solid water under 157nm photoirradiation. Chemistry Letters, 47(4), 468-471. https://doi.org/10.1246/cl.171121

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10.1246/cl.171121