Fig. 6From: Structural, Optical and Photocatalytic Activity of Multi-heterojunction Bi2O3/Bi2O2CO3/(BiO)4CO3(OH)2 Nanoflakes Synthesized via Submerged DC Electrical Discharge in Urea SolutionUV–visible optical absorption spectra of synthesized colloidal samples in a urea solution, b water, over different timesBack to article page