Figure 5From: Photo-catalytic activity of Zn1-x Mn x S nanocrystals synthesized by wet chemical technique Processes involved in Zn 1- x Mn x S nanocrystals upon excitation. CB, conduction band; ST, shallow trap; 4T1 and 6A1, manganese levels; VB, valence band; V s, sulfur vacancy.Back to article page