The invention provides an organic luminous material and a preparation method thereof, and relates to an organic
silicon polymer. Raw materials of the organic luminous material comprise metallic organic substance and polycarbosilane. The preparation method comprises the following steps of: putting
polydimethylsiloxane into a reaction kettle, heating the
polydimethylsiloxane under the protection ofargon, inflating the
argon to the reaction kettle, adding n-
hexane into the reaction kettle to dissolve the product after the temperature in the reaction kettle is naturally cooled to
room temperature, filtering the product, removing the n-
hexane in vacuum to obtain the polycarbosilane, soaking the ground polycarbosilane into
ethanol, flushing the insoluble substances by using the
ethanol and then
drying the insoluble substances in vacuum; and pouring the polycarbosilane
powder and the metallic organic substance
powder into a three-necked
bottle, heating the mixed
powder to between 150 and 160 DEG C under the protective
atmosphere of
argon, preserving the heat for 1 to 1.5 hours, heating the mixed powder to between 260 and 270 DEG C, preserving the heat for 1 to 1.5 hours, dissolving the product by using the dry n-
hexane after the reaction is finished and the product is cooled, filtering the product to remove the insoluble substances, and finally distilling the product with reduced pressure to obtain the powdery
solid organic luminous material.