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Related Experiment Video

Updated: Nov 9, 2025

Planar and Three-Dimensional Printing of Conductive Inks
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Phase-Separated Nanophotonic Structures by Inkjet Printing.

Yidenekachew J Donie1, Stefan Schlisske1,2, Radwanul H Siddique3,4

  • 1Light Technology Institute, Karlsruhe Institute of Technology, Engesserstrasse 13, 76131 Karlsruhe, Germany.

ACS Nano
|April 12, 2021
PubMed
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Inkjet printing enables scalable fabrication of polymer nanostructures for advanced photonic applications. This method overcomes limitations of wet processes, allowing tunable feature sizes for improved light management in devices.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Photonics

Background:

  • Spontaneous phase separation of polymers creates micro- to nanoscale structures.
  • These structures are useful for photonic applications due to light scattering properties.
  • Current wet processing methods limit design flexibility and commercialization of polymer phase-separated nanostructures (PSNs).

Purpose of the Study:

  • To introduce a versatile and scalable inkjet printing method for fabricating polymer phase-separated nanostructures (PSNs).
  • To demonstrate the ability to tune feature sizes from micrometers down to sub-100 nm.
  • To showcase the application of these printed PSNs in photonic devices.

Main Methods:

  • Inkjet printing of a polymer blend to induce spontaneous phase separation.
Keywords:
biosensinginkjet printinglight managementphase-separated nanostructuresprinted biosensorsprinted electronics

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  • Tuning of feature size during the printing and processing stages.
  • Integration of printed PSNs as functional layers in photonic devices.

    • Main Results:

    • Achieved tunable feature sizes for PSNs down to sub-100 nm using inkjet printing.
    • Demonstrated rapid processing of PSNs into macroscopic designs.
    • Showcased improved light management in light-emitting devices and biosensors.

    Conclusions:

    • Inkjet printing offers an industrially scalable solution for fabricating custom polymer phase-separated nanostructures (PSNs).
    • Printed PSNs enhance light management, showing potential for commercial photonic applications like light-emitting devices and biosensors.