Table 1. Chiral Nematic Pitch of Different Domains in the CNC Film As Determined from the Cross-Sectional SEM Images.
domain b | domain c | domain d | |
---|---|---|---|
color of the domain | orange | green | blue |
λr (nm) extracted from spectra | 590 | 530 | 470 |
pitch (nm) from SEMs | 190 ± 15 | 170 ± 10 | 150 ± 10 |
no. of periods | 6.5 ± 0.5 | 7.5 ± 0.5 | 8.5 ± 0.5 |
predicted λr (nm) from SEMs | 593 | 530 | 468 |
predicted thickness (μm) | 1.235 | 1.275 | 1.275 |