Fig. 3: Microstructure and element distribution of flexible fibers.

TEM and HRTEM images of a PI/TiO₂, b PI/TiO₂/Ag-0.05, c PI/TiO₂/Ag-0.07 and d PI/TiO₂/Ag-0.09 flexible microfibers. e EDX element maps for C, N, O, Ti and Ag in the PI/TiO₂/Ag-0.07 flexible microfibers