fig2

Figure 2. Mechanism for tribocatalytic degradation of organic pollutants by BST nanoparticles at the PTFE-glass interface during magnetic stirring: electron-hole pairs are excited in BST nanoparticles by mechanical energy absorbed through friction. Reprinted with permission from^[21]. Copyright 2019 Elsevier. PTFE: Polytetrafluoroethylene; BST: Ba_0.75Sr_0.25TiO₃.