Formation of complex organic molecules in hot molecular cores through nondiffusive grain-surface and ice-mantle chemistry
A new, more comprehensive model of gas–grain chemistry in hot molecular cores is
presented, in which nondiffusive reaction processes on dust-grain surfaces and in ice …
presented, in which nondiffusive reaction processes on dust-grain surfaces and in ice …
Astrochemical pathways to complex organic and prebiotic molecules: Experimental perspectives for in situ solid-state studies
A deep understanding of the origin of life requires the physical, chemical, and biological
study of prebiotic systems and the comprehension of the mechanisms underlying their …
study of prebiotic systems and the comprehension of the mechanisms underlying their …
Efficient production of S8 in interstellar ices: The effects of cosmic-ray-driven radiation chemistry and nondiffusive bulk reactions
In this work, we reexamine sulfur chemistry occurring on and in the ice mantles of interstellar
dust grains, and report the effects of two new modifications to standard astrochemical …
dust grains, and report the effects of two new modifications to standard astrochemical …
A Revised Description of the Cosmic Ray Induced Desorption of Interstellar Ices
O Sipilä, K Silsbee, P Caselli - The Astrophysical Journal, 2021 - iopscience.iop.org
Nonthermal desorption of ices on interstellar grains is required to explain observations of
molecules that are not synthesized efficiently in the gas phase in cold dense clouds …
molecules that are not synthesized efficiently in the gas phase in cold dense clouds …
Evidence of surface catalytic effect on cosmic dust grain analogs: The ammonia and carbon dioxide surface reaction
A Potapov, P Theulé, C Jäger… - The Astrophysical …, 2019 - iopscience.iop.org
Surface chemistry on cosmic dust grains plays an important role in the formation of
molecules at low temperatures in the interstellar and circumstellar environments. For the first …
molecules at low temperatures in the interstellar and circumstellar environments. For the first …
On simulating the proton-irradiation of O2 and H2o ices using astrochemical-type models, with implications for bulk reactivity
Many current astrochemical models explicitly consider the species that comprise the bulk of
interstellar dust grain ice mantles separately from those in the top few monolayers …
interstellar dust grain ice mantles separately from those in the top few monolayers …
The effect of cosmic rays on cometary nuclei. ii. impact on ice composition and structure
Since their formation in the protosolar nebula some∼ 4.5 billion years ago, comets are in
storage in cold distant regions of the solar system, the Kuiper Belt/scattered disk or Oort …
storage in cold distant regions of the solar system, the Kuiper Belt/scattered disk or Oort …
Influence of ice structure on the soft UV photochemistry of PAHs embedded in solid water
JA Noble, E Michoulier, C Aupetit, J Mascetti - Astronomy & Astrophysics, 2020 - aanda.org
Context. The UV photoreactivity of polycyclic aromatic hydrocarbons (PAHs) in porous
amorphous solid water has long been known to form both oxygenated photoproducts and …
amorphous solid water has long been known to form both oxygenated photoproducts and …
Formation of CO2 Driven by Photochemistry of Water Ice Mixed with Carbon Grains
A Potapov, D Semenov, C Jäger… - The Astrophysical …, 2023 - iopscience.iop.org
We present results on photochemistry of carbon-grains/water-ice mixtures at temperatures
from 10 to 150 K. Such a temperature range corresponds to the physical conditions found in …
from 10 to 150 K. Such a temperature range corresponds to the physical conditions found in …
A novel framework for studying the impact of binding energy distributions on the chemistry of dust grains
The evaporation of molecules from dust grains is crucial to understanding some key aspects
of the star-and the planet-formation processes. During the heating phase, the presence of …
of the star-and the planet-formation processes. During the heating phase, the presence of …