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Beilstein J. Nanotechnol. 2016, 7, 825–833, doi:10.3762/bjnano.7.74
Figure 1: SWCNT-doped negative LC reorientation hypothesis: the LC remains homogeneously aligned while SWCNTs...
Figure 2: Linear polarized light direction for Raman measures at V = 0.
Figure 3: Raman spectra of a SWCNT-doped LC cell (λ = 523 nm). The G and G’-bands are related to SWCNTs. The ...
Figure 4: Raman spectrum at different driving voltages (0 V, 1.5 V, 2.5 V, 3.5 V and 4.5 V). The microscope i...
Figure 5: Raman G-band amplitude variation (below) during a driving voltage sequence between 0 and 11Vrms (ab...
Figure 6: Cell images under microscopic study during a complete off–on–off voltage cycle. Sample surface (a) ...
Figure 7: Impedance magnitude and phase measurements of (a) undoped and (b) SWCNT-doped LC cells.
Figure 8: Impedance magnitude and phase variation at different frequencies as a function of applied driving v...
Figure 9: Raman Intensity evolution of the G’-band and LC peaks with voltage. The SWCNT threshold voltage is ...
Beilstein J. Nanotechnol. 2015, 6, 396–403, doi:10.3762/bjnano.6.39
Figure 1: Schematic structure of a positive nematic MWCNTs-doped LC cell (a) without excitation voltage – pla...
Figure 2: Sketch of frequency (a), resistance (a) and capacity (b, where Cr1 < Cr2 < Cr3) variations in the C...
Figure 3: Light transmission response of undoped (top) and MWCNT-doped (bottom) cells at 543 nm. The bottom p...
Figure 4: Cole-Cole plots of the undoped and MWCNTs-doped LC cells at different scales. (a), (b) and (c), imp...
Figure 5: Impedance of unbiased doped (filled symbols) and undoped (unfilled symbols) samples at different in...
Figure 6: R2 average evolution with the driving sequence. The three unbiased averaged measurements are shown ...
Figure 7: Driving waveform for impedance measurements. Vp is peak voltage.