An effective strategy for developing the CoMoS nanosheets wrapped by oxidized multi-walled carbon nanotubes as an electrosensor of oryzalin

As an herbicide, oryzalin (ORZ) is extensively used to control the growth of weeds, whereas excessive ORZ is harmful to human beings. Therefore, it is imperative for its quantitative detection. However, numerous efforts have been focused on noble-metal materials in electrochemical sensing, increasing the application cost. In this study, CoMoS/O-MWNTs hybrid with wrinkled nanosheets , as a non-noble metal electrocatalyst , is successfully synthesized by hydrothermal method . The CoMoS/O-MWNTs is cost-effective and has the elevated stability and catalytical activity, which can be attributed to the combination between CoMoS and O-MWNTs through O element strengthens strong coupling interaction of Co Mo. The platform possesses the wide linear detecting range of 0.48–22 μM and 22–85 μM, which is wider than previous reports. Thus, the excellent electrochemical property demonstrates CoMoS/O-MWNTs is an effective electrocatalyst for the reduction of ORZ.