Perovskite-based functional plastic particles, preparation method and injection molding method

The invention relates to perovskite-based functional plastic particles, a preparation method and an injection molding method, the preparation method and the injection molding method are both carried out around the perovskite-based functional plastic particles, and the perovskite-based functional plastic particles comprise perovskite powder, thermoplastic resin, a compatilizer and an auxiliary agent; the perovskite powder is a compound with a general formula of ABX3, A is methyl ammonium, formamidine or cesium ions, B is lead or tin ions, and X is iodine, bromine or chloride ions; the thermoplastic resin is polycarbonate or polyphenylene sulfide or polyimide; the compatilizer is polyvinyl alcohol or polyethylene glycol or polyacrylic acid; the auxiliary agent is a plasticizer or a stabilizer or an antioxidant; the content of the perovskite powder is 10-50% by weight, the content of the thermoplastic resin is 40-80% by weight, the content of the compatilizer is 5-15% by weight, and the content of the auxiliary