Astrochemical relevance of VUV ionization of large PAH cations

G Wenzel, C Joblin, A Giuliani, SR Castillo… - Astronomy & …, 2020 - aanda.org
Context. As part of interstellar dust, polycyclic aromatic hydrocarbons (PAHs) are processed
by an interaction with vacuum ultraviolet (VUV) photons emitted by hot stars. This interaction …

Formation of the acenaphthylene cation as a common C 2 H 2-loss fragment in dissociative ionization of the PAH isomers anthracene and phenanthrene

S Banhatti, DB Rap, A Simon, H Leboucher… - Physical Chemistry …, 2022 - pubs.rsc.org
Polycyclic aromatic hydrocarbons (PAHs) are thought to be a major constituent of
astrophysical environments, being the carriers of the ubiquitous aromatic infrared bands …

π‐Conjugated Carbon‐Based Materials for Infrared Thermal Imaging

E Cho, SM Pratik, J Pyun… - Advanced Optical …, 2023 - Wiley Online Library
Infrared (IR) thermal imaging is receiving a great deal of attention due to its wide range of
applications. Given multiple issues (like cost and availability) with the inorganic materials …

Laboratory photochemistry of pyrene clusters: An efficient way to form large PAHs

J Zhen, T Chen, AGGM Tielens - The Astrophysical Journal, 2018 - iopscience.iop.org
In this work, we study the photodissociation processes of small PAH clusters (eg, pyrene
clusters). The experiments are carried out using a quadrupole ion trap in combination with …

Cold molecular gas and PAH emission in the nuclear and circumnuclear regions of Seyfert galaxies

A Alonso-Herrero, M Pereira-Santaella… - Astronomy & …, 2020 - aanda.org
We investigate the relation between the detection of the 11.3 μm polycyclic aromatic
hydrocarbon (PAH) feature in the nuclear (∼ 24− 230 pc) regions of 22 nearby Seyfert …

Photoprocessing of cationic triazacoronene: dissociation characteristics of polycyclic aromatic nitrogen heterocycles in interstellar environments

D Schleier, J Kamer, A Jiao, GF Schneider… - Physical Chemistry …, 2024 - pubs.rsc.org
Polycyclic aromatic nitrogen heterocycles (PANHs) are present in various astronomical
environments where they are subjected to intense radiation. Their photodissociation …

Polyacenes and diffuse interstellar bands

A Omont, HF Bettinger, C Tönshoff - Astronomy & Astrophysics, 2019 - aanda.org
The identification of the carriers of the diffuse interstellar bands (DIBs) remains to be
established, with the exception of five bands attributed to C, although it is generally agreed …

Multiply charged naphthalene and its C10H8 isomers: bonding, spectroscopy, and implications in AGN environments

JC Santos, F Fantuzzi, HM Quitián-Lara… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT Naphthalene (C10H8) is the simplest polycyclic aromatic hydrocarbon (PAH)
and an important component in a series of astrochemical reactions involving hydrocarbons …

Infrared action spectroscopy of doubly charged PAHs and their contribution to the aromatic infrared bands

S Banhatti, J Palotás, P Jusko, B Redlich… - Astronomy & …, 2021 - aanda.org
The so-called aromatic infrared bands (AIBs) are attributed to emission of polycyclic
aromatic hydrocarbons (PAHs). The observed variations toward different regions in space …

Gas-phase spectroscopy of photostable PAH ions from the mid-to far-infrared

SD Wiersma, A Candian, JM Bakker… - Monthly Notices of the …, 2022 - academic.oup.com
We present gas-phase InfraRed Multiple Photon Dissociation (IRMPD) spectroscopy of
cationic phenanthrene, pyrene, and perylene over the 100–1700 cm− 1 (6–95 μ m) spectral …