Fig. 9From: Synthesis of AG@AgCl Core–Shell Structure Nanowires and Its Photocatalytic Oxidation of Arsenic (III) Under Visible Light a Photostability test of the Ag@AgCl for 20 cycles and regenerated Ag@AgCl. b XRD patterns of Ag@AgCl after the 20th cycle and regenerated Ag@AgCl. c SEM images of Ag@AgCl after the 20th cycle. d SEM images of regenerated Ag@AgClBack to article page