Tetra-alkyl periflanthene derivatives and applications thereof

The invention provides tetra-alkyl periflanthene derivatives and applications thereof in the technical filed of organic electroluminescence. The novel compounds provided by the invention have stable properties, simple preparation technology and a high current carrier migration rate, and can be used as electron transfer layers of OLED devices. The devices using the compounds have reduced driving voltage and enhanced current efficiency. The general structure formula of the compounds is shown as below.