In this work, we integrated Ag 3 PO 4 with Bi 4 Ti 3 O 12 to form Bi 4 Ti 3 O 12 /Ag 3 PO 4 heterojunction nanocomposites by an ion-exchange method. The as-prepared Bi 4 Ti 3 O 12 /Ag 3 PO 4 composites were systematically characterized by means of XRD, SEM, TEM, BET, XPS, UV-vis DRS, EIS, PL spectroscopy, and photocurrent response. SEM, TEM, and XPS results demonstrate the creation of Bi 4 Ti 3 O 12 /Ag 3 PO 4 heterojunction with obvious interfacial interaction between Bi 4 Ti 3 O 12 and Ag 3 PO 4 . PL spectra, EIS spectra, and photocurrent responses reveal that the composites display an enhanced separation efficiency of photogenerated electron-hole pairs, which is due to the charge transfer between Bi 4 Ti 3 O 12 and Ag 3 PO 4 . Rhodamine B (RhB) was chosen as the target organic pollutant to evaluate its degradation behavior over Bi 4 Ti 3 O 12 /Ag 3 PO 4 composites under simulated sunlight irradiation. Compared to bare Bi 4 Ti 3 O 12 and Ag 3 PO 4 nanoparticles, the composites exhibit a significantly enhanced photocatalytic activity. The highest photocatalytic activity is observed for the 10% Bi 4 Ti 3 O 12 /Ag 3 PO 4 composite with 10% Bi 4 Ti 3 O 12 content, which is about 2.6 times higher than that of bare Ag 3 PO 4 . The photocatalytic mechanism involved was investigated and discussed in detail.
No takes yet. Share an insight, caveat, or question.
Zheng et al. (2017) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: