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VB XPS spectra and the deduced relative band position of and . Main is the VB XPS spectra. Inset is the deduced relative band position.
XRD pattern and TEM images of . Main is the XRD pattern. Inset (a) is typical TEM image. Insets (b) and (c) are high resolution transmission electron microscopy images. The selected areas in (b) and (c) are the interface between and .
UV-visible absorption spectra of the samples before and after being annealed in flow: (a) , (b) , and (c) . Insets are the N XPS spectra of corresponding samples annealed in flows.
Photocatalytic activities for evolution over the samples before and after being annealed in flow. Inset is the long time photocatalytic reaction of evolution over composite under visible light irradiation.
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