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Three-Dimensional Printed Photoluminescent Polymeric Waveguides.

Francesca Frascella1, Gustavo González1,2, Paula Bosch3

  • 1Department of Applied Science and Technology , Politecnico di Torino , Corso Duca degli Abruzzi 24 , Torino 10129 , Italy.

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Summary
This summary is machine-generated.

This study introduces a novel light-activated 3D printing method using a photoluminescent dye to create functional optical components. The process enables the development of 3D printed waveguides and sensors with maintained dye properties.

Keywords:
3D printingDLPoptical sensorphotoluminescent materialswaveguides

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Area of Science:

  • Materials Science
  • Optics
  • Polymer Chemistry

Background:

  • Digital light processing (DLP) 3D printing requires specific formulations for precise structure fabrication.
  • Photoluminescent dyes are crucial for creating optical functionalities in 3D printed objects.
  • Maintaining dye properties within printed materials is essential for advanced applications.

Purpose of the Study:

  • To develop a light-activated 3D printing strategy for functional objects.
  • To synthesize and utilize a photoluminescent dye for DLP 3D printing.
  • To create 3D printed optical waveguides, splitters, and solvent polarity sensors.

Main Methods:

  • Utilized a digital light processing (DLP) 3D printing technique.
  • Synthesized a novel photoluminescent dye compatible with the printing process.
  • Incorporated the dye into the polymerizable resin and copolymerized it within the printed structure.

Main Results:

  • Successfully fabricated precise and complex 3D printed structures.
  • Demonstrated the ability to create 3D printed waveguides and splitters that guide luminescence.
  • Preserved the dye's solvatochromic properties in the printed materials, enabling sensing capabilities.

Conclusions:

  • The proposed method enables the creation of functional 3D printed optical devices.
  • The integrated photoluminescent dye allows for luminescence guiding and solvent polarity sensing.
  • This approach offers a versatile platform for advanced functional materials fabrication via 3D printing.