Patent attributes
The present invention is directed to a compound comprising at least one phosphepine ring and having the phosphorous atom of the phosphepine ring substituted with at least one monovalent substituent R, wherein (i) R is selected from aryls and heteroaryls comprising at least two rings or (ii) R is selected from aryls, alkyls, heteroalkyls, heteroaryls, H, F, CI, Br, I, OH, and OR*, wherein R* is selected from C1-C22 alkyl and C7-C22 arylalkyl, and the hosphepine ring is a ring according to formula (I), wherein structural moieties A, B, C are independently selected from ortho-arylenes and ortho-heteroarylenes, with the proviso that neither A nor B is a condensed arylene, and C comprises at least two annelated rings, a semiconducting material comprising this compound as well as an electronic device comprising the semiconducting material.
