Fig. 5: XPS data, fits, and interaction between TFPT-BTAN-AO and UO₂²⁺.

XPS spectra of the N 1 s region of TFPT-BTAN-AO a before and b after treatment with UO₂²⁺. XPS spectra of the O 1 s region of TFPT-BTAN-AO c before and d after treatment with UO₂²⁺. e Schematic diagram of the interaction between TFPT-BTAN-AO and UO₂²⁺.