Fig. 1

Cyclic voltammograms of electrodeposition of (a) rGO-MWCNT nanocompoite on a bare SPCE (in 0.2 M PBS, pH 6.5 and Scan rate: 50 mVs⁻¹), b of l-cysteine (10 mM) on a modified SPCE (in 0.1 M PBS, pH 7.4; Scan rate: 50 mVs⁻¹), c the effect of different scan rates on electrodeposition CV curves of rGO-MWCNT nanocompoite in 1 × 10⁻³ M [Fe(CN)6]⁻³/[Fe(CN)6]⁻⁴ (1:1) containing 0.1 M KCl solution and d Raman spectra of GO, GO with MWCNT and rGO-MWCNT nanocompoite