Abstract:In this paper, the change in structural color of multi-bilayered films fabricated by stacking copolymers, PMAz–PMBP (m : ), consisting of azobenzene and biphenyl side chain groups, and polyvinyl alcohol (PVA) alternately, was investigated.
“…Multi-bilayered lms were prepared according to previous reports. 18,19,21 Az-containing copolymers were dissolved in cyclohexanone at 4.5 wt% and PVA was dissolved in water at 2.5 wt%. The solutions were spin coated at 3000 rpm on a glass substrate alternately and repeatedly, and 20-bilayered lms were prepared.…”
Section: Preparation Of Multi-bilayered Lmsmentioning
confidence: 99%
“…For multi-bilayered lms consisting of Az copolymers with biphenyl groups such as the LC mesogen groups, the light response speed was faster than that of the Az homopolymer. 21 However, the reection intensity deteriorated due to the low refractive index of the biphenyl group as reection intensity relied on the refractive index difference of composite materials.…”
“…Multi-bilayered lms were prepared according to previous reports. 18,19,21 Az-containing copolymers were dissolved in cyclohexanone at 4.5 wt% and PVA was dissolved in water at 2.5 wt%. The solutions were spin coated at 3000 rpm on a glass substrate alternately and repeatedly, and 20-bilayered lms were prepared.…”
Section: Preparation Of Multi-bilayered Lmsmentioning
confidence: 99%
“…For multi-bilayered lms consisting of Az copolymers with biphenyl groups such as the LC mesogen groups, the light response speed was faster than that of the Az homopolymer. 21 However, the re ection intensity deteriorated due to the low refractive index of the biphenyl group as reection intensity relied on the refractive index difference of composite materials.…”
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