%0 Journal Article %T Ultrafast terahertz probe of photoexcited free charge carriers in organometal CH3NH3PbI3 perovskite thin film %A Yan, Huijie %A An, Baoli %A Fan, Zhengfu %A Zhu, Xiaoya %A Lin, Xian %A Jin, Zuanming %A Ma, Guohong %J Applied Physics A: Materials Science Processing %V 122 %N 4 %P 1-6 %@ 0947-8396 %D 2016-03-17 %I Springer Berlin Heidelberg %~ DeepDyve