Figure 5

(A) cyclic voltammetry (CV) of (a) [PAN], (b) [PAN-PPh.], and (c) [PAN-PPh./TiO2] nanofibers GCEs at scan rate (v) of 50 mV s−1, (B) PAN-PPh./TiO2 composite electrode at various scan rate values (v mV s−1).

(A) cyclic voltammetry (CV) of (a) [PAN], (b) [PAN-PPh.], and (c) [PAN-PPh./TiO2] nanofibers GCEs at scan rate (v) of 50 mV s−1, (B) PAN-PPh./TiO2 composite electrode at various scan rate values (v mV s−1).