Cover Feature: A Solution‐Processable meso‐Phenyl‐BODIPY‐Based n‐Channel Semiconductor with Enhanced Fluorescence Emission (ChemPlusChem 9/2019) Article Swipe

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BODIPY Semiconductor Fluorescence Intramolecular force Photochemistry Excited state Chemistry Dihedral angle Cover (algebra) Materials science Optoelectronics Stereochemistry Molecule Physics Organic chemistry Atomic physics Optics Hydrogen bond Mechanical engineering Engineering

Emrah Özcan , Mehmet Özdemir , Dongil Ho , Yunus Zorlu , Resül Özdemir , Choongik Kim , Hakan Usta , Bünyemin Çoşut ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.1002/cplu.201900425 · OA: W2971394337

The cover feature shows the delicate balance between locally excited (LE) and twisted intramolecular charge-transfer (TICT) states, which could be controlled by solvent polarity and nano-aggregation, of a meso-phenyl-BODIPY-based fluorescent semiconductor. The dihedral angle between the meso-aromatic unit and BODIPY π-core was found to be the key factor in this balance. This is the first report of highly emissive characteristics for an A–D–A type BODIPY-based n-channel semiconductor. Details are given in the Full Paper by B. Cosut, H. Usta, C. Kim, and co-workers on page 1423 in Issue 9, 2019 (DOI: 10.1002/cplu.201900317).