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中文摘要：
upconversion 光粉末 TiO2 :(Er3+ ， Yb3+) 被一个热水的方法准备并且过去常制作敏化染料的太阳能电池(DSSC ) 。TiO2 :(Er3+ ， Yb3+) 粉末经历 upconversion 光，变换染料不能与染料能吸收的 510700 nm 的波长吸收进可见的光的红外线的光，增加 DSSC 的光电流。TiO2 :(Er3+ ， Yb3+) 也充当 p 类型掺杂物，提高氧化物电影的费密水平，它增加 DSSC 的 photovoltage。当 TiO2/luminescence 粉末的比率是在光层的 1/3 时， DSSC 的最好的表演被发现。在 100 mW 厘米的模仿的太阳的照耀下面 ? 2 (AM 1.5 ) ，包含 TiO2 的 DSSC :(Er3+ ， Yb3+) 做为 undoped DSSC 与 6.41% 相比完成 7.28% 的 light-to-electricity 精力变换效率。
英文摘要：
An upconversion luminescence powder TiO2：（Er^3＋, Yb^3＋） is prepared by a hydrothermal method and used to fabricate dye-sensitized solar cell （DSSC）. The TiO2：（Er^3＋, Yb^3＋） powder undergoes upconversion luminescence, converting infrared light which the dye can not absorb into visible light with wavelengths of 510-700 nm which the dye can absorb, increasing the photocurrent of the DSSC. TiO2：（Er^3＋, Yb^3＋） also acts as a p-type dopant, heightening the Fermi level of the oxide film, which increases the photovoltage of the DSSC. The best performance of the DSSC is found when the ratio of TiO2/luminescence powder is 1/3 in the luminescence layer. Under simulated solar irradiation of 100 mW cm^-2 （AM 1.5）, the DSSC containing TiO2：（Er^3＋, Yb^3＋） doping achieves a light-to-electricity energy conversion efficiency of 7.28% compared with 6.41% for the undoped DSSC.
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