Photophysics of indole upon X-ray absorption. Issue 30 (20th July 2018)

• Record Type: Journal Article
• Authors: Kierspel, Thomas; Bomme, Cédric; Di Fraia, Michele; Wiese, Joss; Anielski, Denis; Bari, Sadia; Boll, Rebecca; Erk, Benjamin; Kienitz, Jens S.; Müller, Nele L. M.; Rolles, Daniel; Viefhaus, Jens; Trippel, Sebastian; Küpper, Jochen
• Is Part Of: Physical chemistry chemical physics. Volume 20:Issue 30(2018)
• Page Start: 20205
• Page End: 20216
• Publication Date: 2018-07-20
• Subjects: Chemistry, Physical and theoretical -- Periodicals; 541.3
• DOI: 10.1039/c8cp00936h
• Languages: English
• ISSNs: 1463-9076

Abstract

Abstract : A photofragmentation study of gas-phase indole (C8 H7 N) upon single-photon ionization at a photon energy of 420 eV is presented. Abstract : A photofragmentation study of gas-phase indole (C8 H7 N) upon single-photon ionization at a photon energy of 420 eV is presented. Indole was primarily inner-shell ionized at its nitrogen and carbon 1s orbitals. Electrons and ions were measured in coincidence by means of velocity map imaging. The angular relationship between ionic fragments is discussed along with the possibility to use the angle-resolved coincidence detection to perform experiments on molecules that are strongly oriented in their recoil-frame. The coincident measurement of electrons and ions revealed fragmentation-pathway-dependent electron spectra, linking the structural fragmentation dynamics to different electronic excitations. Evidence for photoelectron-impact self-ionization was observed.