Fig. 3
a Catalytic mechanism of GF/Au/Ni(OH)2 composite fiber electrode. b The electrochemically active surface areas of GF/Au composite fiber with different deposition times. c The electrochemical active surface areas of GF/Au/ Ni(OH)2 composite fiber with different deposition. d The I–t curves of the GF, GF/Au, GF/Au/Ni(OH)2 composite electrode with successive addition of glucose in 0.1 M NaOH solution. e The corresponding calibration curve of the GF, GF/Au, GF/Au/Ni(OH)2 composite fiber electrode. f Comparison of the analytical performance of our proposed GF/Au/Ni(OH)2 sensor with others
