Fig. 2From: Promoting N2 electroreduction to ammonia by fluorine-terminating Ti3C2Tx MXenea Raman spectra and b XPS spectra of Ti3C2Tx-low F, Ti3C2Tx-medium F and Ti3C2Tx-high F. c F 1 s spectra, and d Ti 2p XPS spectra of Ti3C2Tx-low F, Ti3C2Tx-medium F and Ti3C2Tx-high F MXene samplesBack to article page