Abstract
In order to realize the rapid preparation of large-area photonic crystals on the paper surface, this paper combines the coating method and the self-assembly technology of colloidal microspheres to prepare photonic crystals on the paper surface. At the same time, the assembly conditions such as the concentration of colloidal microspheres and black dye are optimized, so that the colloidal microspheres are regularly arranged on the paper substrate, and the color rendering performance of the photonic crystal is improved. The digital cameras and the scanning electron microscope were used to measure the color appearance and micro-morphology of the samples. The X-Rite MA68II multi-angle spectrophotometer was used to measure the reflection spectrum. The rapid coating method overcame the long preparation cycle of the traditional way.
Published Version
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