Electrical bistable devices using composites of zinc sulfide nanoparticles and poly-(N-vinylcarbazole)*
Cao Ya-Penga), Hu Yu-Fenga)†, Li Jian-Taoa), Ye Hai-Hangb), Lü Long-Fenga), Ning Yua), Lu Qi-Penga), Tang Ai-Weib), Lou Zhi-Donga), Hou Yan-Binga), Teng Fenga)‡
       
The current–voltage curves of the ZnS:PVK composite film, the pure PVK film, and the ZnS:PVK composite film after 15 min UV-ozone treatment. The arrow head shows the dirrection of the sweeping voltages.