Organic semiconducting layers

摘要: An organic semiconducting layer formulation, which comprises: an binder has a permittivity, ∈, at 1,000 Hz of 3.3 or less; and polyacene compound Formula: A: wherein: each R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 (R12, may be the same different, independently represents hydrogen; optionally substituted C1-C40 carbyl hydrocarbyl group; alkoxy C6-C40 aryloxy C7-C40 alkylaryloxy C2-C40 alkoxycarbonyl aryloxycarbonyl cyano group (—CN); carbamoyl (—C(═O)NH2); haloformyl (—C(═O)—X, wherein X halogen atom); formyl (—C(═O)—H); isocyano isocyanate thiocyanate thioisocyanate amino hydroxy nitro CF3 halo (CI, Br, F); silyl pair R2 R3 and/or R8 cross-bridged to form C4-C40 saturated unsaturated ring, ring intervened by oxygen atom, sulphur atom shown formula —N(Ra)— (wherein Ra is hydrogen hydrocarbon group), substituted; one more carbon atoms skeleton heteroatom selected from O N, P, As, O, S, Se Te; any two substituents R1-R12 are located on adjacent positions may, together, constitute further interrupted S —N(Ra) where as defined above) aromatic system, fused polyacene; n 0, 1, 2, 3 4, also claimed electronic device, particularly field effect transistor comprising semiconductor formulation.