Science Advances

Supplementary Materials

The PDF file includes:

  • Fig. S1. SEM images of the kinked or bent regions of the printed EGaIn filaments.
  • Fig. S2. The lift-off or cutoff state of line versus the nozzle lift-off velocity.
  • Fig. S3. Photograph of lift-off of EGaIn during reconfiguration.
  • Fig. S4. Formation of kink- or arc-shaped 3D structures by reconfiguration.
  • Fig. S5. Electrical breakdown test of EGaIn.
  • Fig. S6. Heat resistance of EGaIn 3D structures.
  • Fig. S7. SEM images of soft encapsulation of EGaIn by parylene.
  • Fig. S8. Contact angle between EGaIn and Au.
  • Fig. S9. The efficiency of interconnection through 3D printing.
  • Table S1. Comparison with conventional 3D printing techniques of conductive materials in the aspect of printable materials, resolution, reconfigurability, processing temperature, and conductivity.
  • Table S2. Comparison with published results of liquid metal patterning in the aspect of line width, the free-standing 3D structure, reconfigurability, and the used substrate.
  • Legends for movies S1 to S10

Download PDF

Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.avi format). Reconfiguration of the square coil antenna.
  • Movie S2 (.avi format). Multiple reconfigurations of the EGaIn filament.
  • Movie S3 (.avi format). Reconfiguration of EGaIn that connects about a 650-μm step.
  • Movie S4 (.avi format). Formation of kink-shaped 3D structure by reconfiguration.
  • Movie S5 (.avi format). Formation of arc-shaped 3D structure by reconfiguration.
  • Movie S6 (.avi format). Breakdown procedure of EGaIn under increasing dc bias.
  • Movie S7 (.avi format). Breakdown procedure of EGaIn under increasing ac bias (120 Hz).
  • Movie S8 (.avi format). Lift-off and relocation of 3D interconnect for LED switching circuit.
  • Movie S9 (.avi format). Light emission from the RGB LED array.
  • Movie S10 (.avi format). Light emission from selected pixels in the 4 × 4 microLED array.

Files in this Data Supplement: