Journal
NANOTECHNOLOGY
Volume 27, Issue 33, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/27/33/33LT01
Keywords
cobalt phosphide; nanowire; hydrogen peroxide; nonenzymatic; amperometric sensor
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In this letter, we demonstrate for the first time that cobalt phosphide nanowires (CoP NWs) exhibit remarkable catalytic activity toward electrochemical detection of hydrogen peroxide (H2O2). As an enzymeless H2O2 sensor, such CoP NWs show a fast amperometric response within 5 s and a low detection limit of 0.48 mu M. In addition, this nonenzymatic sensor displays good selectivity, long-term stability and excellent reproducibility.
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