Polyaromatic Hydrocarbons with an Imperfect Aromatic System as Catalysts of Interstellar H${}_2$ Formation

David P. Jelenfi, Anita Schneiker, Attila Tajti +2

Although H${}_2$ is the simplest and the most abundant molecule in the Universe, its formation in the interstellar medium, especially in the photodissociation regions is far from b…