Tunable Optical Properties and the Role of Defects on the Carrier Lifetimes of Cs3Sb2I9 Synthesized in Various Solvents

by Samuel M. Neguse, Songhak Yoon, Alexander Frebel, Dennis M. Jöckel, Marc Widenmeyer, Stefan Lange, Arnulf Rosspeintner, Stefan G. Ebbinghaus, Christian Hagendorf, Benjamin Balke, Anke Weidenkaff
Published 2023-12-01

Controlling the Defects of Cs2AgBiBr6 by Varied Precursor Compositions

by Alexander Frebel, Songhak Yoon, Samuel Meles Neguse, Dennis M. Jöckel, Marc Widenmeyer, Stefan Lange, Volker Naumann, Arnulf Rosspeintner, Stefan G. Ebbinghaus, Benjamin Balke, Anke Weidenkaff
Published 2022-11-01

Solar Degradation and Stability of Lead‐Free Light Absorber Cs2AgBiBr6 in Ambient Conditions

by Dennis Michael Jöckel, Songhak Yoon, Alexander Frebel, Samuel Meles Neguse, Jürgen Dieter Rossa, Alexander Jürgen Bett, Martin Schubert, Marc Widenmeyer, Benjamin Balke–Grünewald, Anke Weidenkaff
Published 2024-05-01

METAL-POOR STARS OBSERVED WITH THE MAGELLAN TELESCOPE. III. NEW EXTREMELY AND ULTRA METAL-POOR STARS FROM SDSS/SEGUE AND INSIGHTS ON THE FORMATION OF ULTRA METAL-POOR STARS

by Placco, Vinicius M., Lee, Young Sun, Beers, Timothy C., Pena, Jose M., Chan, Conrad, Heger, Alexander, Frebel, Anna L., Jacobson, Heather
Published 2015