▎ 摘　　要

NOVELTY - Preparing lead core structured polyaniline/graphene composite nanofiber material is claimed. The nanofiber material is prepared by taking soluble graphene as core and polyaniline as shell, and preparing into composite material by high-pressure electrostatic spinning method using a tube type device. USE - The composite nanofiber material is useful in photoluminescent and electroluminescent devices (claimed). ADVANTAGE - The composite nanofiber material: solves the problem of reduced material stability when compared to organic polymer and organic polyalkylfluorene Blu-ray materials; and improves anti-aging properties, carrier transport and heat transfer properties, and thus it improves color retention time of the device. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for device comprising the lead core structured polyaniline/graphene composite nanofiber material, where diameter of the nanofiber material is 100-600 nm and fiber length is 15 mu m-15 cm, the nanofiber material contains poly(2,7-(9,9-dioctylfluorene)-alternate-N-phenyl-N-(4-phenoxyphenyl)aniline) as composite nanofiber material shell having thickness of 20-100 nm, the nanofiber material contains graphene as core or core layer having diameter of 60-400 nm, and the nanofiber material film thickness is 100 nm-75 mu m.