| abstract |
The invention discloses a spiro[fluorene-9,9'-xanthene] compound and a preparation method thereof, and relates to a benzidine-modified spiro[fluorene-9,9'-xanthene] derivative, which belongs to organic The field of optoelectronic materials technology. Has the following structure: It has high hole mobility, glass transition temperature and refractive index, good hole transport ability, and high stability and film-forming efficiency, and can be used as a hole transport material in organic electroluminescent materials. At the same time, the compound has good thermal stability, high luminous efficiency and high luminous purity, and can be used for making organic electroluminescent devices, and can be used in organic solar cells and organic thin film transistor materials. |