The effect of molecular weight on light scattering of photonic poly styrene-block-poly-2-vinyl pyridine nano-structure

Jin Youb Lim; Jae Hoon Yun; Da bin Jang; Dong Myung Shin

doi:10.1117/12.2186490

26 August 2015 The effect of molecular weight on light scattering of photonic poly styrene-block-poly-2-vinyl pyridine nano-structure

Jin Youb Lim, Jae Hoon Yun, Da bin Jang, Dong Myung Shin

Author Affiliations +

Proceedings Volume 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX; 958611 (2015) https://doi.org/10.1117/12.2186490
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

Commonly, one dimensional construct has a restriction of viewing angle. We report a new, simplistic strategy to Particle Photonic Crystal: an ellipsoidal block copolymer nanoparticles. It has a wider viewing angle and is easier to make. We made a 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 followed afterwards. In the first trial, we observed particle structure variation according to the difference in molecular weight such as 52k-57k, 75k-66.5k, 102k-97k. Afterwards, we exhibited how particle structure change by the addition of swelling solution (Alcohol). The molecular structure of particle photonic crystal was investigated by Transmission Electron Microscope. The color was measured by color-difference meter.

Citation Download Citation

Jin Youb Lim, Jae Hoon Yun, Da bin Jang, and Dong Myung Shin "The effect of molecular weight on light scattering of photonic poly styrene-block-poly-2-vinyl pyridine nano-structure", Proc. SPIE 9586, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications IX, 958611 (26 August 2015); https://doi.org/10.1117/12.2186490

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