Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Optical properties of CsPbBr3 nanowires.
  • Fig. S2. Nanowire absorption spectra.
  • Fig. S3. Stability of CsPb(Br0.2I0.8)3 nanowires.
  • Fig. S4. Nanocomposite ink rheology.
  • Fig. S5. SAXS measurements of SIS block copolymer inks.
  • Fig. S6. TEM images of printed and cast nanocomposites.
  • Fig. S7. Polarization dependence of printed nanocomposite filaments composed of inks containing 50 wt % SIS with 0.05 wt % perovskite nanowires as a function of printing speed.
  • Fig. S8. Fourier imaging setup.
  • Fig. S9. Fourier images of printed SIS-CsPbBr3 block copolymer nanocomposites.
  • Fig. S10. Measuring dipole alignment from Fourier images.
  • Fig. S11. Emission polarization of printed nanocomposite filaments.
  • Fig. S12. Five-layer photonic device showing “L-I-G-H-T” pattern imaged using polarized fluorescence microscopy along the z direction.
  • Fig. S13. Embedded 3D printing of perovskite nanowire ink in a transparent viscoplastic matrix housed within a cubic mold.
  • Fig. S14. Fluorescence images of printed pixel arrays showing polarization-dependent emission multiplexing using two nanowire composites printed in orthogonal directions.
  • Fig. S15. Schematics of different display operations presented in CIE 1931 diagram (Fig. 4D).
  • Table S1. Comparison of PLQY for different perovskite nanowires.
  • Table S2. Fluorescence stability of red-emitting CsPb(Br0.2I0.8)3 nanowires embedded in a polymer.
  • Table S3. Printing pressures used for patterning nanocomposite inks at varying nozzle sizes and print speeds.
  • Table S4. Hildebrand solubility and surface energies of species used to form nanocomposite inks.
  • Table S5. Comparison of different techniques for aligning semiconductor nanowires.
  • References (37–44)

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