▲图(13)Valence-band XPS spectra of the Fe(III)@BOC NS and BOC NS samples, and the schematic illustration of the band structure of the Fe(III)@BOC NS and BOC NS. Nano Energy, 2016, DOI:10.1016/j.nanoen.2016.10.001 对VB-XPS 曲线最长直线部分做切线,与 X 轴交点即为价带值,从图中可...