Band bending and valence band shifting of sub-monolayer TiO2 functionalized SnO2 nanowires. - Wang, Hong-Bo; Ma, Fei; Sun, Yang-Shuo; Zhou, Liang; Zeng, De-Jun; Qin, Yi; Xu, Yi-Ku; Chen, Yong-Nan; Xu, Ke-Wei; Ma, Da-Yan (Journal of Materials Science: Materials in Electronics, 2020)