Science Advances

Supplementary Materials

The PDF file includes:

  • Section S1. COMSOL simulation
  • Section S2. Spectroscopic measurement and analysis
  • Section S3. Characterization of morphology
  • Section S4. Concentration, substrate surface, and MW effects
  • Section S5. Simulation and experimental results of capillary pen writing
  • Section S6. Characterization of molecular orientation and packing structures
  • Section S7. Fabrication and measurement of devices
  • Section S8. Understanding the molecular origin of flow-induced morphological transition by comparing polymer structures
  • Section S9. Evidence of NTB mesophase in solution and in deposited thin films
  • Fig. S1. Sensitivity of regimes to geometric parameters in simulation.
  • Fig. S2. Complete speed series of velocity fields and strain rates for PII-2T/chloroform blade coating simulations.
  • Fig. S3. Meniscus height, polymer volume fraction, and evaporative flux profile for PII-2T/chloroform simulations.
  • Fig. S4. Excited-state electronic structure.
  • Fig. S5. Normalized solution UV-vis absorption spectra of PII-2T prepared in chloroform with various concentrations from 0.002 to 10 g/liter.
  • Fig. S6. UV-vis absorption spectra of PII-2T solutions using different MWs.
  • Fig. S7. UV-vis absorption spectra of PII-2T films printed at various printing speeds.
  • Fig. S8. PII-2T film preparation for SERS.
  • Fig. S9. Experimental and calculated Raman intensity.
  • Fig. S10. Illustration of the main bond stretching assignments for Raman-active vibrational modes.
  • Fig. S11. Polymer fiber alignment analysis with AFM images as a function of printing speed.
  • Fig. S12. Top and bottom surface morphology comparison of PII-2T films.
  • Fig. S13. CPOM images of the films as a function of printing speed.
  • Fig. S14. CPOM images and thickness of the films as a function of printing speed using various concentrations of PII-2T solutions.
  • Fig. S15. CPOM images and thickness of PII-2T films as a function of printing speed using various substrate surfaces.
  • Fig. S16. UV-vis absorption spectra of low-MW PII-2T films printed at various printing speeds.
  • Fig. S17. Polymer fiber and backbone alignment analysis of low-MW PII-2T films printed at various printing speeds.
  • Fig. S18. Flow-induced morphological transition for pen-written PII-2T films and velocity and strain rate from computational fluid dynamics simulations.
  • Fig. S19. Complete speed series of velocity fields and strain rates for PII-2T/o-DCB blade coating simulations.
  • Fig. S20. Maximum strain rate and inverse residence time as a function of printing speed for PII-2T/o-DCB simulations.
  • Fig. S21. CPOM images of the capillary pen–written films as a function of printing speed.
  • Fig. S22. Flow-induced morphological transition in PII-2T films printed using o-DCB solvent.
  • Fig. S23. Polarized UV-vis absorption spectra and dichroic ratio of PII-2T films printed at various printing speeds with different concentration solutions.
  • Fig. S24. Comparison and analysis of 2D x-ray diffraction patterns.
  • Fig. S25. GIXD analysis of PII-2T films obtained at multiple in-plane rotation angles.
  • Fig. S26. GIXD characterization of PII-2T morphology in the bulk and top surfaces of printed films.
  • Fig. S27. GIXD characterization of PII-2T films printed at various printing speeds with different solution concentrations.
  • Fig. S28. Electrical characteristics for as-prepared PII-2T devices without post-thermal treatment.
  • Fig. S29. Gate voltage–dependent mobility as a function of gate bias, extracted from the transfer curves shown in Fig. 4B.
  • Fig. S30. Thermal annealing effect of printed PII-2T films.
  • Fig. S31. Calculated torsion potentials of PII-2T and PTII-2T.
  • Fig. S32. Normalized solution UV-vis absorption spectra of PTII-2T, DPP-BTz, and DPP2T-TT prepared in chloroform with various concentrations from 0.001 to 10 g/liter.
  • Fig. S33. Solution and film UV-vis absorption spectra of PII-2T, PTII-2T, DPP-BTz, and DPP2T-TT.
  • Fig. S34. Morphology characterization of PII-2T, PTII-2T, DPP-BTz, and DPP2T-TT polymer films prepared in each regime.
  • Fig. S35. Characterization of the polymer film alignment.
  • Fig. S36. Formation of chiral, liquid crystalline mesophase in PII-2T solutions with increasing concentrations.
  • Fig. S37. GIXD analysis of twinned morphology in PII-2T films.
  • Fig. S38. CPOM images of PII-2T twinned morphological films.
  • Fig. S39. CPOM images of DPP-BTz twinned morphological films.
  • Fig. S40. Multiple CD measurements of PII-2T and DPP-BTz films printed in evaporation regime.
  • Table S1. Parameters used in the simulations for PII-2T/chloroform blade coating and PII-2T/o-DCB pen writing.
  • Legends for movies S1 to S4
  • References (4251)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.avi format). Solution- to solid-state phase transition of PII-2T.
  • Movie S2 (.avi format). Solution- to solid-state phase transition of PTII-2T.
  • Movie S3 (.avi format). Solution- to solid-state phase transition of DPP-BTz.
  • Movie S4 (.avi format). Solution- to solid-state phase transition of DPP2T-TT.

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