Method for preparing phosphor

1. A method for preparing phosphor, characterized in that it comprises the following steps:

The first step is to weigh Y2O3, Eu2O3, and G2d3O3 according to the stoichiometric ratio, and dissolve them in concentrated hydrochloric acid to form a rare earth chloride salt solution;

In the second step, the rare earth chloride salt solution is recrystallized to obtain rare earth chloride salt crystals, which are prepared into an alcohol solution of ethanol according to the experimental requirements;

The third step is to add the ammonium metavanadate solution to the above alcohol solution while stirring with a stirrer, then add C12H27BO3, add ammonia water to adjust the pH value required by the experiment, and the precipitate to be formed will become milky white, turn off the stirrer, and take Take down the sample and let it stand;

The fourth step is to carry out suction filtration and washing of the standing sample, and put it into an oven at 80°C for drying;

The fifth step is to put the sample in the muffle furnace and pre-burn;

In the sixth step, put the pre-fired sample in a constant temperature box furnace for calcination to obtain a finished product;

The seventh step is grinding.

2. The method for preparing phosphors according to claim 1, wherein in the third step, the static time of the sample is 4 hours.

3. The method for preparing phosphors according to claim 2, wherein the calcining temperature in the fifth step is 350° C., and the calcining time is 2 hours. 4.