A Polycyclic Aromatic Diradicaloid with Seven-Membered Rings
Azapentabenzodihomocorannulene dication and diradical species synthesized
https://www.chemistryviews.org/a-polycyclic-aromatic-diradicaloid-with-seven-membered-rings/
A Polycyclic Aromatic Diradicaloid with Seven-Membered Rings
Azapentabenzodihomocorannulene dication and diradical species synthesized
https://www.chemistryviews.org/a-polycyclic-aromatic-diradicaloid-with-seven-membered-rings/
[SummerNews #5 ] For the first time, large-scale #PAHs (polycyclic aromatic hydrocarbons) (> 50 #carbon atoms) have been discovered in a carbonaceous #asteroid sample: #Ryugu 👍 👏
Brought back by the #Hayabusa2 mission from JAXA, this sample was the subject of a unique #surface mass spectrometry technique based on two-stage #laser desorption/ionization, available on the #AROMA device at IRAP.
N-Doped Polycyclic Aromatic Hydrocarbon Bowls Recognize Metal Ions
New class of molecular receptors for the recognition of, e.g., cesium cation
https://www.chemistryviews.org/n-doped-polycyclic-aromatic-hydrocarbon-bowls-recognize-metal-ions/
A Synthetic Mimic for Cosmic Dust
Phenanthrene/pyrene hybrid microparticles can stand in for cosmic dust rich in polycyclic aromatic hydrocarbons (PAHs)
https://www.chemistryviews.org/a-synthetic-mimic-for-cosmic-dust/
[#SoutenanceHDR] This Friday morning, Hassan Sabbah, Assistant Professor at Toulouse III University and researcher at @IRAP, will defend his Authorization to Direct Research on the "Origin and Evolution of Cosmic #PAHs ".
These carbonaceous #molecules are omnipresent in #astrophysical environments. They are involved in particular in the physicochemical processes of stellar and planetary formation.
[#SoutenanceHDR] Ce vendredi matin, Hassan Sabbah, Maître de Conférence à l' Université Paul Sabatier Toulouse III et chercheur à l' @IRAP, soutiendra son Habilitation à Diriger les Recherches sur l'"Origine et l'évolution des #PAHs cosmiques".
Ces #molécules carbonées sont omniprésentes dans les environnements #astrophysiques. Elles interviennent notamment dans les processus physico-chimiques de formations stellaire et planétaire.
@Snoro
Un système type #PAHS (passive annual heating system) local, il y a encore des ingénieurs sensés :)
Quand les conditions sont réunies (pas ici apparemment), c'est encore plus intéressant de stocker directement l'énergie solaire thermique ou éolien mécanique, ça enlève une phase de conversion et ça enlève grandement les dépendances minières externes (énormes générateurs electriques).