Infrared laser-induced fast photovoltaic effect observed in orthorhombic tin oxide film
Zhao Song-Qing1, 2, 3, 4, 5, †, , Zhang Ji-Rui5, Shi Hong-Jie5, Yan Kun-Kun5, ‡, , Huang Chun2, Yang Li-Min1, 2, 3, 4, 5, Yang Rui5, Zhao Kun1, 2, 3, 4, 5
       

Schematic profile diagram of the excess carrier diffusion on tin oxide surface under a spot illumination.