Poly(styrene-b-2-vinyl pyridine) (PS-b-P2VP) lamellar film which is hydrophobic block hydrophilic polyelectrolyte
block polymer of 52 kg/mol -b- 57 kg/mol and PS-b-P2VP film with reactive monomer (RM257) were prepared for
photonic gel films. The lamellar stacks, which is alternating layer of hydrophilic and hydrophobic part of PS-b-P2VP.
We reported about the influence of reactive monomer on those photonic gel films. Added reactive monomer photonic gel
film had higher absorbance than pure photonic gel films. And band gaps of the lamellar films shifted by the time of UV
light irradiation. That Photonic gel films were measured with the UV spectrophotometer. As a result the photonic gel
film with reactive monomer had more clear color. The lamellar films were swollen by DI water, Ethyl alcohol (aq) and
calcium carbonate solution. Since the domain spacing of dried photonic gel films were not showing any color in visible
wavelength. The band gap of the lamellar films were drastically shifted to longer wavelength swollen by calcium
carbonate solution (absorbance peak 565nm→617nm). And the lamellar films were shifted to shorter wave length
swollen by ethanol (absorbance peak 565nm→497nm). So each Photonic gel film showed different color.