Figure 4.
a) UV–vis diffuse reflectance spectra of SnO2, SnO2/TiO2, SnO2/BiVO4, SnO2/TiO2/BiVO4 H‐NSs@HMs arrays. b) Specular reflectance spectra of SnO2/TiO2/BiVO4 H‐NSs@HMs arrays at incident angles of 10°, 20°, 30°, 40°, and 50°.
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