Single-particle spectrum of doped C20H12-perylene Marcel Rodekamp, Evan Berkowitz, Christoph Gäntgen, Stefan Krieg, Thomas Luu, Johann Ostmeyer and Giovanni Pederiva Eur. Phys. J. B, 98 2 (2025) 36 Published online: 25 February 2025 DOI: 10.1140/epjb/s10051-024-00859-1