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Nanoporous copper/cu(oh)2 nanowire array sensor electrode material and preparation method thereof

The invention discloses a nano porous copper / Cu(OH)2 nanowire array sensor electrode material and a preparation method thereof, and belongs to the technical field of micro-sensation. The preparation method of the nano porous copper / Cu(OH)2 nanowire array sensor electrode material mainly comprises the following two steps: by taking Cu-Zr-Al amorphous alloy as a precursor, preparing a flexible nano porous copper film of a double-continuous through hole structure by using a chemical alloy removing method; performing controllable growth on a Cu(OH)2 nanowire array on a nano porous copper film substrate by using an alkali oxidation method. The nano composite electrode material disclosed by the invention is of a structure similar to 'sandwich', Cu(OH)2 nanowires are uniformly and densely distributed on the nano porous copper substrate, have directivity and are uniform in morphology, large in internal specific surface area and very high in electric catalytic activity, the nano composite material can be directly used as an electrode material of a non-enzyme glucose sensor, the linear response range for glucose is 0.2-9 mM, the detection sensitivity is 2.09 mA / cm<2>.mM, the detection limit is 200 nM (S / N=-3.6), and the current response time is less than 1 second.
Owner:UNIV OF SCI & TECH BEIJING
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