| 초록 |
Commonly unidimensional construct has restriction of viewing angle. We report a new facile strategy to Particle Photonic Crystal which is ellipsoidal block copolymer nanoparticles. it has a wider viewing angle as well as easy to make. We made particle of photonic crystal based on Poly Styrene-block-Poly-2-Vinyl Pyridine(PS-b-P2VP) in chloroform. After using Poly Vinyl Alcohol(PVA), It was in state of emulsion and self assembly method was followed by. In a first step, we observed particle structure variation according to difference in molecular weight such as 25k-25k, 52k-57k, 75k-66.5k. After wards, we exhibited how particle structure changed by swelling solution of difference which is Alcohol. The molecular structure of particle photonic crystal was investigated by Transmission Electron Microscope and Dynamic Light Scattering. The color was measured by color-difference meter. |
