Carbon Nanotube-Based Electrochemical Sensors: Principles and Applications in Biomedical Systems
Figure 8
Representative SEM images of (a), (b), and (c) assembled on a silicon wafer. The scale bar in (a)–(c) was 5 m. (d) represents the SEM image of with a high amplification with a scale bar of 1 m. [Reprinted with permission from Zhang et al. [142], Langmuir , 20, 8781 (2004). Copyright 2004, American Chemical Society.]
