Direct growth of ternary copper nickel cobalt oxide nanowires as binder-free electrode on carbon cloth for nonenzymatic glucose sensing

Synthesis and characterizations of (Mg, Co, Ni, Cu, Zn)O high-entropy oxides

“…The second step (β region) occurred at a temperature of around 286 °C representing the evolution of crystallization water and carbon dioxide with the corresponding weight loss of about 0.246%. Within these temperature ranges, hydroxides and basic carbonates of the different metals used in this work could undergo decomposition [45]. In the third step (δ region) decomposition, a pronounced endothermic peak is observed at about 744 °C with the corresponding weight loss of about 18%, which could be attributed to the decomposition of Co 3 O 4 to CoO with the simultaneous evolution of O 2 to maintain stoichiometry [46].…”

Copper Nanoflowers on Carbon Cloth as a Flexible Electrode Toward Both Enzymeless Electrocatalytic Glucose and H2O2

“…Various nano‐architecture materials have been designed to combine with CC to improve a wide range of physical and chemical properties of electrode in electrochemical sensor, especially in the application of glucose sensor and H 2 O 2 sensor. For example, NiCo LDH nanosheet arrays [2], NiAl LDH nanosheet arrays [4], NiMoO 4 nanosheet arrays [5], Co‐MOF nanosheet arrays [6], Co 3 O 4 /PbO 2 nanorod arrays [7], Co 3 O 4 /CuO nanorod arrays [8], Co(OH) 2 nanotube arrays [9], CuCo 2 O 4 nanowire arrays [10], CuNiCoO 4 nanowires [11], Co 3 O 4 nanocrystals [12], and Au nanoparticles/polyaniline [13], etc , are directly grown on CC to build the enzyme‐free electrochemical glucose sensors, which can be attributed to these nanomateirals with their kinds of shapes with the combination of CC behave superior properties. Besides, some other literatures as well reported the CC‐based electrodes to fabricate nonenzymatic electrochemical hydrogen peroxide (H 2 O 2 ) sensor, for instance, MnOOH nanorod arrays [14] and Au−Ag nanoparticles [15].…”

A label-free electrochemical biosensor based on 3D cubic Eu3+/Cu2O nanostructures with clover-like faces for the determination of anticancer drug cytarabine

“…Consequently, more active sites and considerable functional groups on the surface of nano-materials result in higher activities for catalysis and adsorption. [18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34] One signicant kind of metal oxide semi-conductor is cuprous oxide (Cu 2 O), which enjoys several benets, such as nontoxicity, adjustable size, affordability, quick response and recovery rates, and particular electrical and optical features. Moreover, cuprous oxides have widespread utilization in producing sensors, superconductors, and catalytic and solar cells.…”