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(2020)
Dieses Kompendium von Methodenwerkzeugen für die Entwicklung inklusiv angelegter naturwissenschaftlicher Experimentier-Stationen ist hilfreich zur pädagogischen Gestaltung von inklusiven experimentellen Settings, um einen Zugewinn an Fachlichkeit für alle Schülerinnen und Schüler zu sichern. Es werden Planungsschritte und Methodenwerkzeuge vorgestellt, damit der Zugang zu Experimenten für alle Kinder auf allen Ebenen geschaffen werden kann.
Bowl-shaped naphthalimide-annulated corannulene as nonfullerene acceptor in organic solar cells
(2020)
An electron-poor bowl-shaped naphthalimide-annulated corannulene with branched alkyl residues in the imide position was synthesized by a palladium-catalyzed cross-coupling annulation sequence. This dipolar compound exhibits strong absorption in the visible range along with a low-lying LUMO level at –3.85 eV, enabling n-type charge transport in organic thin-film transistors. Furthermore, we processed inverted bulk-heterojunction solar cells in combination with the two donor polymers PCE–10 and PM6 to achieve open-circuit voltages up to 1.04 V. By using a blend of the self-assembled naphthalimide-annulated corannulene and PCE–10, we were able to obtain a power conversion efficiency of up to 2.1%, which is to the best of our knowledge the highest reported value for a corannulene-based organic solar cell to date.