Figure 7
From: A novel approach to prepare Bi2Fe4O9 flower-like spheres with enhanced photocatalytic performance

Transient photocurrent responses of the obtained Bi2Fe4O9 samples with different etching times.
From: A novel approach to prepare Bi2Fe4O9 flower-like spheres with enhanced photocatalytic performance
Transient photocurrent responses of the obtained Bi2Fe4O9 samples with different etching times.