3D Hierarchical Hollow Microrod via in-Situ Growth 2D SnS Nanoplates on MOF Derived Co, N co-Doped Carbon Rod for Electrochemical Sensing

•A novel 3D SnS@Co,N-C hierarchical hollow microrod was fabricated.•The phase transformation and the carbonization process were achieved simultaneously.•The hybrid displayed remarkable electrochemical activity for sensing of EP and L-TY.•Constructed sensor showed good reproducibility, stability and low detection limit.•A reliable sensing technique was proposed in practical biological applications.