Dr. Mirjam Dogru, Matthias Handloser, Florian Auras, Dr. Thomas Kunz, Dr. Dana Medina, Prof. Dr. Achim Hartschuh, Prof. Dr. Paul Knochel and Prof. Dr. Thomas Bein A Photoconductive Thienothiophene-Based Covalent Organic Framework Showing Charge Transfer Towards Included Fullerene Angewandte Chemie International Edition 52
Filling a honeycomb: The thienothiophene-based covalent organic framework (COF) can be loaded with a complementary semiconductor, such as a fullerene derivative, and electronic interactions are observed (see figure). The novel periodic interpenetrated donor–acceptor system shows the spectroscopic signatures of efficient charge transfer on the nanoscale. Photovoltaic activity was demonstrated upon integrating the COF:fullerene film into a device.
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