YPO4 nanoparticles are synthesized from yttrium chloride, sodium citrate and sodium phosphate by hy-drothermal method. Afterwards, upconversion luminescence properties are obtained through doping Er3+ and Yb3+, Tm3+ rare-earth. The experiment researches the effects of the sample luminescence properties under dif-ferent reaction temperature, different reaction time, the quantity of different doped ions and different sintering temperature. Based on the experiment, the white light rare-earth upconversion nanometer luminescence materials are acquired under the infrared light.%借助水热法，以氯化钇、柠檬酸钠、磷酸钠为基本原料合成了YPO4纳米颗粒，然后通过掺杂Er3+、Yb3+、Tm3+稀土离子获得上转换发光性能。实验研究了反应温度、反应时间、掺杂比和烧结温度对样品发光性能的影响，获得了在红外激发下，可以发出暖白光的稀土上转换纳米发光材料。
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