84 citations · 591 across the 21 of their papers we have counts for
21 papers
Molecule-dependent Abundance Behavior of Oxygen-bearing Complex Organics in High-Mass Star-Forming Regions: A Uniform 50-source Survey
Xuefang Xu, Mingwei He, Qian Gou +10
We present a uniform IRAM-30\,m survey analysis of four oxygen-bearing complex organic molecules (COMs), methanol (CHOH), acetaldehyde (CHCHO), methyl formate (CHOCHO),…
Astrochemical effect of the fundamental grain surface processes I. The diffusion of grain surface species and the pre-exponential factor
Long-Fei Chen, Donghui Quan, Jiao He +3
Abbreviation. Thermal diffusion is one of the basic processes for the mobility and formation of species on cosmic dust grains. Recent laboratory measurements have found that the di…
New measurement of the diffusion of carbon dioxide on non-porous amorphous solid water
Jiao He, Paula Caroline Pérez Rickert, Tushar Suhasaria +5
The diffusion of molecules on interstellar grain surfaces is one of the most important driving forces for the molecular complexity in the interstellar medium. Due to the lack of la…
Ammonia, carbon dioxide and the non-detection of the 2152 cm CO band
Jiao He, Giulia Perotti, Shahnewaz M. Emtiaz +4
CO is one of the most abundant ice components on interstellar dust grains. When it is mixed with amorphous solid water (ASW) or located on its surface, an absorption band of CO at…
Methoxymethanol Formation Starting from CO-Hydrogenation
Jiao He, Mart Simons, Gleb Fedoseev +7
Methoxymethanol (CH3OCH2OH, MM) has been identified through gas-phase signatures in both high- and low-mass star-forming regions. This molecule is expected to form upon hydrogen ad…
Refractive index and extinction coefficient of vapor-deposited water ice in the UV-Vis range
Jiao He, Sharon J. M. Diamant, Siyu Wang +4
Laboratory results of the optical properties of vapor-deposited water ice, specifically the refractive index and extinction coefficient, are available mainly for a selective set of…
An experimental study of the surface formation of methane in interstellar molecular clouds
D. Qasim, G. Fedoseev, K. -J. Chuang +4
Methane is one of the simplest stable molecules that is both abundant and widely distributed across space. It is thought to have partial origin from interstellar molecular clouds,…
Synthesis of solid-state Complex Organic Molecules through accretion of simple species at low temperatures
D. Qasim, G. Fedoseev, K. -J. Chuang +6
Complex organic molecules (COMs) have been detected in the gas-phase in cold and lightless molecular cores. Recent solid-state laboratory experiments have provided strong evidence…
Formation of interstellar propanal and 1-propanol ice: a pathway involving solid-state CO hydrogenation
D. Qasim, G. Fedoseev, K. -J. Chuang +6
1-propanol (CH3CH2CH2OH) is a three carbon-bearing representative of primary linear alcohols that may have its origin in the cold dark cores in interstellar space. To test this, we…
Extension of the HCOOH and CO2 solid-state reaction network during the CO freeze-out stage: inclusion of H2CO
D. Qasim, T. Lamberts, J. He +5
Formic acid (HCOOH) and carbon dioxide (CO2) are simple species that have been detected in the interstellar medium. The solid-state formation pathways of these species under experi…
Alcohols on the rocks: solid-state formation in a H3CCCH + OH cocktail under dark cloud conditions
D. Qasim, G. Fedoseev, T. Lamberts +5
A number of recent experimental studies have shown that solid-state complex organic molecules (COMs) can form under conditions that are relevant to the CO freeze-out stage in dense…
The Effective Surface Area of Amorphous Solid Water Measured by the Infrared Absorption of Carbon Monoxide
Jiao He, Aspen R. Clements, SM Emtiaz +3
The need to characterize ices coating dust grains in dense interstellar clouds arises from the importance of ice morphology in facilitating the diffusion and storage of radicals an…
The CO and CO Absorption Bands as Tracers of the Thermal History of Interstellar Icy Grain Mantles
Jiao He, SM Emtiaz, Adwin Boogert +1
Analyses of infrared signatures of CO in water dominated ices in the ISM can give information on the physical state of CO in icy grains and on the thermal history of the ic…
Measurements of diffusion of volatiles in amorphous solid water: application to interstellar medium environments
Jiao He, SM Emtiaz, Gianfranco Vidali
The diffusion of atoms and molecules in ices covering dust grains in dense clouds in interstellar space is an important but poorly characterized step in the formation of complex mo…
Mechanism of Atomic Hydrogen Addition Reactions on np-ASW
Jiao He, Shahnewaj M. Emtiaz, Gianfranco Vidali
Hydrogen, being the most abundant element, is the driver of many if not most reactions occurring on interstellar dust grains. In hydrogen atom addition reactions, the rate is usual…
Characterization of thin film CO ice through the infrared combination mode
Jiao He, Gianfranco Vidali
Carbon dioxide is abundant in ice mantles of dust grains; some is found in the pure crystalline form as inferred from the double peak splitting of the bending profile at about 650…
Diffusion and Clustering of Carbon Dioxide on non-porous Amorphous Solid Water
Jiao He, Shahnewaj M. Emtiaz, Gianfranco Vidali
Observations by ISO and Spitzer towards young stellar objects (YSOs) showed that CO segregates in the icy mantles covering dust grains. Thermal processing of ice mixture was pr…
Binding Energy of Molecules on Water Ice: Laboratory Measurements and Modeling
Jiao He, Kinsuk Acharyya, Gianfranco Vidali
We measured the binding energy of N, CO, O, CH, and CO on non-porous (compact) amorphous solid water (np-ASW), of N and CO on porous amorphous solid water (p-AS…
Sticking of molecules on non-porous amorphous water ice
Jiao He, Kinsuk Acharyya, Gianfranco Vidali
Accurate modeling of physical and chemical processes in the interstellar medium requires detailed knowledge of how atoms and molecule adsorb on dust grains. However, the sticking c…
A New Determination of the Binding Energy of Atomic Oxygen on Dust Grain Surfaces: Experimental Results and Simulations
Jiao He, Jianming Shi, Tyler Hopkins +2
The energy to desorb atomic oxygen from an interstellar dust grain surface, , is an important controlling parameter in gas-grain models; its value impacts the temperat…
Formation of hydroxylamine on dust grains via ammonia oxidation
Jiao He, Gianfranco Vidali, Jean-Louis Lemaire +1
The quest to detect prebiotic molecules in space, notably amino acids, requires an understanding of the chemistry involving nitrogen atoms. Hydroxylamine (NHOH) is considered a…