Abstract
Vertically arranged manganese (III) oxide (Mn2O3) nanosheets (NSs) thin film was deposited on nickel (Ni) foil through low temperature hydrothermal method and utilized as smart working electrode for N-hydroxysuccinimide (NHS) chemical sensor. FESEM images revealed highly dense nanosheets structures which were vertically arranged on Ni foil. Grown Mn2O3-NSs displayed a typical cubic crystalline structure with good stoichiometric composition of elements. The electrochemical analysis of Mn2O3-NSs/Ni electrode demonstrated a high anodic peak which confirmed a high electrocatalytic activity towards NHS via fast charge transfer process. Mn2O3-NSs/Ni electrode based NHS chemical sensor showed significantly a high sensitivity = ~90μA.μM−1cm−2 and detection limit = ~3.6 μM with a correlation coefficient (R) of ~0.99088 and a short response time (10 s).
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