Media type: E-Article Title: On the Origin of Gap States in Molecular Semiconductors—A Combined UPS, AFM, and X-ray Diffraction Study Contributor: Hagenlocher, Jan; Scheffczyk, Niels; Broch, Katharina; Duva, Giuliano; Rußegger, Nadine; Egenberger, Lisa; Banerjee, Rupak; Kera, Satoshi; Schreiber, Frank; Hinderhofer, Alexander imprint: American Chemical Society (ACS), 2021 Published in: The Journal of Physical Chemistry C Language: English DOI: 10.1021/acs.jpcc.1c03096 ISSN: 1932-7455; 1932-7447 Keywords: Surfaces, Coatings and Films ; Physical and Theoretical Chemistry ; General Energy ; Electronic, Optical and Magnetic Materials Origination: Footnote: