Enhancing electron affinity and tuning band gap in donor–acceptor organic semiconductors by benzothiadiazole directed C–H borylation

• DOI: 10.1039/c5sc01800e
• Publication Date: 2015-06-12T16:31:04Z
• Authors: D. L. Crossley; I. A. Cade; E. R. Clark; A. Escande; M. J. Humphries; S. M. King; I. Vitorica-Yrezabal; M. J. Ingleson; M. L. Turner
• Keywords: Chemistry; 01 natural sciences; 0104 chemical sciences

Electrophilic borylation using BCl3and benzothiadiazole to direct the C–H functionalisation of an adjacent aromatic unit produces fused boracyclic materials with minimally changed HOMO energies but significantly reduced LUMO energies.