Facile Solvothermal Synthesis of BiOCl/ZnO Heterostructures with Enhanced Photocatalytic Activity

Figure 3

SEM images of the (BiOCl)_0.6(ZnO)_0.4 composites prepared by different volume ratios of EG to water: (a) 25 : 0, (b) 23 : 2, (c) 21 : 4, (d) 18 : 7, (e) 15 : 10, and (f) 0 : 25.

(a)

(b)

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(d)

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(f)