A Simple Electrochemical Route to Access Amorphous Co-Ni Hydroxide for Non-enzymatic Glucose Sensing

Morphology and structure of the products. a, b SEM images of the amorphous Co-Ni hydroxide deposited on a graphite sheet. c, d TEM images of the amorphous Co-Ni hydroxide sample (the insets show the corresponding SAED pattern and HRTEM image). e STEM image. f–h Element mappings of O, Co, and N