What question did this study set out to answer?

Determine whether carbon dioxide ice can entrap carbon monoxide molecules and evaluate its trapping efficiency relative to water ice under astrophysical conditions.

September 17, 2019The Astrophysical JournalOpen Access

Entrapment of CO in CO2 Ice

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Implication

Laboratory experiments demonstrate efficient carbon monoxide entrapment in carbon dioxide ice, indicating altered gas-solid volatile partitioning across planet-forming disks.

Key Points

Determine whether carbon dioxide ice can entrap carbon monoxide molecules and evaluate its trapping efficiency relative to water ice under astrophysical conditions.
Conducted temperature-programmed desorption experiments on carbon dioxide and carbon monoxide ice mixtures.
Tested ice thicknesses between 7 and 50 monolayers across mixture ratios ranging from 1:1 to 9:1.
Performed comparative desorption experiments using water and carbon monoxide ice mixtures under analogous laboratory conditions.
Carbon dioxide ice entraps 40% to 60% of initially deposited carbon monoxide molecules, with entrapment efficiency increasing with greater ice thickness and higher carbon monoxide dilution.
Carbon dioxide ice entraps carbon monoxide more efficiently than water ice up to the onset of carbon dioxide desorption at approximately 70 K.

Cite This Study

A 2019 study studied this question.

synapsesocial.com/papers/6a7cbf66263fc0f117faba23 https://doi.org/10.3847/1538-4357/ab32e5

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Implication

Laboratory experiments demonstrate efficient carbon monoxide entrapment in carbon dioxide ice, indicating altered gas-solid volatile partitioning across planet-forming disks.

Entrapment of CO in CO2 Ice

Discussion

Member takes

Implication

Key Points

Cite This Study

Entrapment of CO in CO2 Ice

Discussion

Member takes

Implication

Key Points

Cite This Study

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