Review of flexible and transparent thin-film transistors based on zinc oxide and related materials
Zhang Yong-Hui1, Mei Zeng-Xia1, †, Liang Hui-Li1, Du Xiao-Long1, 2, ‡
       

(color online) Different formation mechanisms of CBM, VBM, and bandgap in silicon (a) and ZnO (c) semiconductors, as well as crystal structures and CBM/VBM wave functions in silicon (b) and ZnO (d) semiconductors.[128]