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A-D-A-type S,N-heteropentacenes: next-generation molecular donor materials for efficient vacuum-processed organic
Amaresh Mishra1, Dusko Popovic, Astrid Vogt
1Institute of Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081, Ulm, Germany.
Advanced Materials (Deerfield Beach, Fla.)
|September 23, 2014
Abstract:
A new class of acceptor-substituted S,N-heteropentacenes is developed for vacuum-processed organic solar cells, providing encouraging power conversion efficiencies of up to 6.5%. Atomic force microscopy (AFM) investigations give a direct correlation between the blend film morphology and the photovoltaic parameters, such as short-circuit current density (JSC ) and fill factor (FF).
