Green synthesis of Co-Ni hollow spheres for its electrochemical detection of dopamine
Source abstract
Abstract
Cobalt-nickel hybrid materials have multiple morphologies and multiple valence states and therefore have high electrochemical activity. Here we prepared Co-Ni precursor microspheres with hollow structure by homogeneous precipitation. This method is simple and rapid and requires neither the presence of a template compound nor high temperature/pressure conditions. Furthermore, the reaction only uses urea as a precipitation reactant; its decomposition products are water and ammonia, so the entire preparation process is green and environmentally friendly. Structural and compositional analyses revealed that the precursor has a micro-nano layered structure with a composition of [MCO3]x·[M (OH)2]y·nH2O (M = Co, Ni; x,y,n = 1–5). Furthermore, the precursor has a good electrochemical activity for dopamine and a wide linear range (10 μM–0.5 mM). These results indicate that the precursor can be used for dopamine electrochemical sensing.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Electrochemical sensors and biosensors · Conducting polymers and applications · Supercapacitor Materials and Fabrication
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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