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S型异质结Bi4O5Br2/CeO2的制备及其光催化CO2还原性能
李跃军(), 曹铁平(), 孙大伟
Bi4O5Br2/CeO2 Composite with S-scheme Heterojunction: Construction and CO2 Reduction Performance
LI Yuejun(), CAO Tieping(), SUN Dawei

图2. 不同样品的XPS光谱图

Fig. 2. XPS spectra of different samples
(a) Total survey; (b) Bi4f; (c) Br3d; (d) Ce3d