One-Pot Synthesis of Cu₂O/Cu Self-Assembled Hollow Nanospheres with Enhanced Photocatalytic Performance

Figure 5

Powder XRD patterns of hollow nanospheres synthesized with different reaction times: (S1) 4 h; (S2) 6 h; (S3) 10 h; (S4) 14 h; and (S5) 20 h.