The present invention relates to the use of a compound represented by the general formula (I) wherein A1 and A2 are independently selected from C1 to C60 carbon-containing groups; A3 to A9 are independently selected from hydrogen, C1 to C60 carbon-containing groups, or halogen; R1 and R2 are independently selected from C1 to C60 carbon-containing groups which are attached to the phosphorous atom by a sp3-hybridized carbon atom; X is a single covalent bond or a spacer group consisting of 1 to 120 covalently bound atoms; in a semiconducting layer comprised in an electronic device, a respective semiconducting layer, a respective electronic device and respective compounds.
本发明涉及一种化合物的使用,该化合物由通式(I)表示,其中A1和A2分别选自C1至C60碳含基团;A3至A9分别选自氢、C1至C60碳含基团或卤素;R1和R2分别选自通过sp3杂化碳原子连接到
磷原子的C1至C60碳含基团;X是单共价键或由1至120个共价结合的原子组成的间隔基团;在电子器件中包含的半导体层中,各自的半导体层、各自的电子器件和各自的化合物。