Science Advances

Supplementary Materials

This PDF file includes:

  • text S1. Synthesis of 4′-hydroxyhexyl-4-cyanobiphenyl (compound 1)
  • text S2. Synthesis of 4′-6-(methacryloyloxy)hexyloxy-4-cyanobiphenyl (M4)
  • text S3. Theoretical estimation of molecular alignment length
  • fig. S1. Schematic illustrations of the optical setup for SWaP.
  • fig. S2. UV-vis absorption spectra of monomers, guest molecules, and photoinitiators in THF.
  • fig. S3. Representative 1H NMR spectrum of a sample of 1.
  • fig. S4. A plot of transmittance as a function of wavelength to determine the thickness of a handmade glass cell.
  • fig. S5. The effect of cell thickness on molecular alignment behavior in SWaP of sample 1.
  • fig. S6. DSC thermograms of monomers and homopolymers.
  • fig. S7. Effect of photopolymerization temperature on molecular alignment behavior in SWaP of sample 1.
  • fig. S8. Thermal memory effect on molecular alignment generated by SWaP of sample 1.
  • fig. S9. Photopolymerization of sample 1 without spatiotemporal scanning of light.
  • fig. S10. Schematic illustration of the optical setup for in situ observation during SWaP.
  • fig. S11. Effect of the light scanning rate on the order parameter (S) in SWaP of sample 1.
  • fig. S12. Demonstration of the generality of SWaP for various chemical systems with the 4f optical setup with a high-pressure mercury lamp.
  • fig. S13. Demonstration of the robustness of SWaP using cationic polymerization.
  • fig. S14. GPC chromatogram for PM4 (Mn = 8000) detected at 300 nm.
  • fig. S15. Emergence of molecular alignment without SWaP in the test case.
  • fig. S16. Theoretical model of alignment length and molecular diffusion length in the test case estimated from Fick’s law of diffusion.
  • fig. S17. Two dimensional and 3D intensity profiles of the representative patterns irradiated with a DMD captured with a charge-coupled device beam profiler.
  • table S1. Composition ratios of materials and thermodynamic properties of the samples used in this study.
  • table S2. Molecular weights of polymers prepared by ATRP.
  • Legends for movies S1 to S5

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.avi format). In situ observation of SWaP with 1D scanned slit light of sample 1.
  • movie S2 (.avi format). In situ observation of static photopolymerization with slit light of sample 1.
  • movie S3 (.avi format). An irradiated pattern designed by Illustrator software for SWaP with a 2D expanding “toroid-shape.”
  • movie S4 (.avi format). An irradiated pattern designed by Illustrator software for SWaP with a 1D scanning of periodic dots.
  • movie S5 (.avi format). An irradiated pattern designed by Illustrator software for SWaP with 2D scanning along various letters.

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