[HTML][HTML] Formation and growth mechanisms of polycyclic aromatic hydrocarbons: A mini-review

E Reizer, B Viskolcz, B Fiser - Chemosphere, 2022 - Elsevier
Polycyclic aromatic hydrocarbons (PAHs) are mostly formed during the incomplete
combustion of organic materials, but their importance and presence in materials science …

Aromatics and cyclic molecules in molecular clouds: A new dimension of interstellar organic chemistry

MC McCarthy, BA McGuire - The Journal of Physical Chemistry A, 2021 - ACS Publications
Astrochemistry lies at the nexus of astronomy, chemistry, and molecular physics. On the
basis of precise laboratory data, a rich collection of more than 200 familiar and exotic …

Detection of two interstellar polycyclic aromatic hydrocarbons via spectral matched filtering

BA McGuire, RA Loomis, AM Burkhardt, KLK Lee… - Science, 2021 - science.org
Unidentified infrared emission bands are ubiquitous in many astronomical sources. These
bands are widely, if not unanimously, attributed to collective emissions from polycyclic …

Pure hydrocarbon cycles in TMC-1: Discovery of ethynyl cyclopropenylidene, cyclopentadiene, and indene

J Cernicharo, M Agúndez, C Cabezas… - Astronomy & …, 2021 - aanda.org
We report the detection for the first time in space of three new pure hydrocarbon cycles in
TMC-1: cC 3 HCCH (ethynyl cyclopropenylidene), cC 5 H 6 (cyclopentadiene), and cC 9 H 8 …

Detection of the aromatic molecule benzonitrile (c-C6H5CN) in the interstellar medium

BA McGuire, AM Burkhardt, S Kalenskii… - Science, 2018 - science.org
Polycyclic aromatic hydrocarbons and polycyclic aromatic nitrogen heterocycles are thought
to be widespread throughout the universe, because these classes of molecules are probably …

Discovery of benzyne, o-C6H4, in TMC-1 with the QUIJOTE line survey

J Cernicharo, M Agúndez, RI Kaiser… - Astronomy & …, 2021 - aanda.org
We report the detection, for the first time in space, of a new non-functionalised hydrocarbon
cycle in the direction of TMC-1: oC 6 H 4 (ortho-benzyne). We derive a column density for …

Discovery of two isomers of ethynyl cyclopentadiene in TMC-1: Abundances of CCH and CN derivatives of hydrocarbon cycles

J Cernicharo, M Agúndez, RI Kaiser… - Astronomy & …, 2021 - aanda.org
We report the detection of two isomers of ethynyl cyclopentadiene (cC 5 H 5 CCH), namely 1-
and 2-ethynyl-1, 3-cyclopentadiene, in the direction of TMC-1. We derive column densities of …

Early science from GOTHAM: Project overview, methods, and the detection of interstellar propargyl cyanide (HCCCH2CN) in TMC-1

BA McGuire, AM Burkhardt, RA Loomis… - The Astrophysical …, 2020 - iopscience.iop.org
We present an overview of the GBT Observations of TMC-1: Hunting Aromatic Molecules
Large Program on the Green Bank Telescope. This and a related program were launched to …

Low temperature formation of naphthalene and its role in the synthesis of PAHs (polycyclic aromatic hydrocarbons) in the interstellar medium

DSN Parker, F Zhang, YS Kim… - Proceedings of the …, 2012 - National Acad Sciences
Polycyclic aromatic hydrocarbons (PAHs) are regarded as key molecules in the
astrochemical evolution of the interstellar medium, but the formation mechanism of even …

Ubiquitous aromatic carbon chemistry at the earliest stages of star formation

AM Burkhardt, RA Loomis, CN Shingledecker… - Nature …, 2021 - nature.com
Abstract Benzonitrile (c-C6H5CN, where 'c'indicates a cyclic structure), a polar proxy for
benzene (c-C6H6), has the potential to serve as a highly convenient radio probe for …