Fig. 7From: Fabrication of Vertical Array CNTs/Polyaniline Composite Membranes by Microwave-Assisted In Situ PolymerizationFIB sample preparation and TEM images. a TEM sample prepared by FIB. b TEM images of VACNT cross section. c, e, f TEM images of VACNTs/PANi composite membrane cross section at different magnifications. d Histogram of gap width between the tubesBack to article page