Fig. 1. Variation of volume conductivity of SWNTs-CP2 composite materials with volume fraction of SWNTs[17]

Fig. 2. Schematic diagram of CNTs enwound by poly (T) sequence. (a) Right-handed helical structure, one of DNA enwinding and bundling schemes; (b) DNA enwinding at the surface of CNTs which making it convert into water-soluble individuals[21]

Fig. 3. SEM images of composite structures with SWNTs mass fractions of (a) 0.01% and (b) 3.0% via single photon polymerization[24]

Fig. 4. SEM images of 3D micro-nanostructures fabricated by SWNTs/polymer composite materials. (a) Micro bull; (b) micro tea pod; (c) micro lizard; (d)(e)(f) cantilever structures[25]

Fig. 5. (a) Schematic diagram of laser ablation experiment; (b) SEM image of cracks produced by laser ablation; (c) Raman spectra of a 460 nm-wide-nanowire taken at different incident polarization angles; (d) variation of G-band intensity versus polarization angle of exciting light[25]

Fig. 6. SEM images of cubic microstructure composed of nanowires along (a) x and (b) y directions; (c) top view and (d) perspective view of cubic microstructures; (e) variation of G-band relative intensity with incident angle θ of polarized light[26]

Fig. 7. (a) Photos of two MTA resins; (b) comparison between cured MA and MTA resins[32]

Fig. 8. 3D micro-nanofabrication based on MTA composite resins by TPP lithography. (a) Experimental flowchart of fabrication of MTA composite resins; (b) experimental setup of TPP fabrication; (c) bendable polyethylene terephthalate (PET) for TPP fabrication; (d)-(h) SEM images of various functional micro-nanostructure devices[32]

Fig. 9. Electrical and optical properties of MTA composite resins. (a) SEM images of rectangular conductive channels; (b) I-V characteristic curves of rectangular conductive channels; variations of (c) electrical conductivity of MTA composite resins and (d) transmissivity of MTA composite thin films at a wavelength of 550 nm[32]

Fig. 10. Characterization of mechanical property of MTA composite resins. (a) SEM images of woodpile structure fabricated by MTA composite resins; (b) variation of volumetric shrinkage of woodpile structures with MWNTs mass fraction; SEM images of nano-cantilever structures fabricated by (c) pure acrylic resin or (d) MTA resin (mass fraction of MWNTs is 0.1%)[32]

Fig. 11. (a) SEM image of micro-cubic structure fabricated by MTA resin (mass fraction of MWNTs is 0.1%); (b) measurement results of micro-cubic structure in nano-indentation experiment[32]

Fig. 12. Optical images of (a) capacitor array and (b) zigzag resistor array; (c) SEM image of parallel lines of MWNTs assembled on a SiO2/Si substrate after thermal annealing; (d) hysteresis loop of capacitors (scanning frequency is 0.025 Hz); (e) frequency response of transmission lines made of MTA composite resin or copper; (f) I-V curves of MTA composite resin nano-wires before and after thermal annealing[32]