Media type: E-Article Title: Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling Contributor: Fassl, Paul; Lami, Vincent; Berger, Felix J.; Falk, Lukas M.; Zaumseil, Jana; Richards, Bryce S.; Howard, Ian A.; Vaynzof, Yana; Paetzold, Ulrich W. imprint: Elsevier BV, 2021 Published in: Matter Language: English DOI: 10.1016/j.matt.2021.01.019 ISSN: 2590-2385 Origination: Footnote: Access State: Open Access