supported by the National High Technology Research and Development Program of China (2009AA03Z217);the National Natural Science Foundation of China (90922028,50842027)
An upconversion luminescence powder TiO2:(Er3+,Yb3+) is prepared by a hydrothermal method and used to fabricate dye-sensitized solar cell (DSSC).The TiO2:(Er3+,Yb3+) powder undergoes upconversion luminescence,converti...