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Hooch Antink, Wytse,Choi, Yejung,Seong, Kwang-dong,Piao, Yuanzhe Elsevier 2018 Sensors and actuators. B Chemical Vol.255 No.2
<P><B>Abstract</B></P> <P>In this work, a CuO/Ag composite electrode was fabricated using precursor type ink. The hybrid ink contains both Ag and Cu precursors and fully decomposes at 150°C in ambient atmosphere and was used to make a CuO/Ag electrode. The addition of the copper precursor to the silver ink resulted in an improvement of the electrocatalytic performance towards the reduction of hydrogen peroxide (H<SUB>2</SUB>O<SUB>2</SUB>). The fabricated electrodes were used to make an amperometric sensor which showed a linear response in a wide range and a low detection limit of 4.0μM (S/N=3). Additionally, the sensor displayed good anti-interference properties, repeatability and stability.</P> <P><B>Highlights</B></P> <P> <UL> <LI> CuO/Ag composite electrodes were prepared using a hybrid ink containing two precursors. </LI> <LI> The CuO/Ag electrodes were used for the electrochemical detection of H<SUB>2</SUB>O<SUB>2</SUB>. </LI> <LI> The Cu and Ag precursor ratio was optimized for a low limit of detection. </LI> <LI> The ink-based approach allows for a simple fabrication of electrodes. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>