Thin Film Microstructure of a Solution Processable Pyrene-Based Organic Semiconductor
Source abstract
Abstract
Semiconducting 6,7,15,16-tetrakis(dodecylthio)quinoxalino[2′,3′:9,10]phenanthro[4,5- abc ]phenazine ( TQPP-12 ) has been synthesized as a candidate solution-processable semiconductor for organic electronics applications. We characterize the microstructure of TQPP-12 in films using a combination of polarized photon absorption spectroscopies (X-ray, vis, and infrared), X-ray diffraction, and scanning probe techniques. This characterization strategy allowed for the determination of molecular orientation and packing style within thin films of this complex molecule. The TQPP-12 molecules are arranged within layers, and the aromatic cores are separated from the alkane side chains. Both the core long axes and side chains are highly tilted with respect to surface normal, and the conjugated planes of the core are cofacially packed.
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Research context
OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Luminescence and Fluorescent Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials and Flexible Display Center, Arizona State University, Tempe, Arizona 85284, Polymers Division, Surface and Microanalysis Science Division, Ceramics Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, and Department of Chemistry, American University of Beirut, Beirut, Lebanon
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