Synthesis of Porous Pd Nanostructure and Its Application in Enzyme-Free Sensor of Hydrogen Peroxide

2017 
A novel porous Pd nanostructure has been synthesized in an aqueous solution using a soft micelle template from the interacting species of 1,3,5-trimethylbenzene with a surfactant of hexadecyltrimethylammonium bromide for highly sensitive electrochemical detection of hydrogen peroxide (H2O2). The porous Pd nanostructure has been applied for the dynamic detection of H2O2 with changing concentration through the H2O2 electro-reduction process. Remarkably, the low detection limit of 0.25 μM (signal/noise of 2.6), the long linear range from 0.25 to 900 μM (correlation coefficient R = 0.992), and the high sensitivity of 201 μA mM–1 were achieved.
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