fig2

Figure 2. SEM images of (A) Ti₃C₂-TPAL and (B) Ti₃C₂. HRTEM images of (C) Ti₃C₂-TPAL and (D) Ti₃C₂. (E) SEM image and elemental mappings of Ti₃C₂-TPAL. High-resolution XPS spectra of Ti₃C₂-TPAL in the (F) N 1s and (G) C 1s regions. (H) Digital photographs of Ti₃C₂ and Ti₃C₂-TPAL after aging under ambient conditions. (I) Fitted Ti 2p XPS spectra and (J) relative atomic percentages of Ti species derived from Ti 2p fitting for Ti₃C₂ and Ti₃C₂-TPAL before and after aging.