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Updated: Sep 13, 2025

Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration

Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration

Published on: March 12, 2014

High-Precision 3D Doping of Fused Silica Glass Derived from Nanocomposites.

Richard Prediger¹, Sebastian Kluck¹, Leonhard Hambitzer¹

¹Laboratory of Process Engineering, NeptunLab, Department of Microsystems Engineering (IMTEK), University of Freiburg, 79110, Freiburg, Germany.

Advanced Materials (Deerfield Beach, Fla.)

|August 4, 2025

Summary

This summary is machine-generated.

This study introduces a novel 3D printing method for precise dopant integration in glass, enabling customized optical and material properties for advanced applications.

Keywords:

glass doping multicomponent glasses sintering two‐photon polymerization

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Last Updated: Sep 13, 2025

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Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

Area of Science:

Materials Science
Optical Engineering
Additive Manufacturing

Background:

Conventional glass production results in uniform properties, limiting localized modifications.
Advanced applications require glasses with spatially tailored optical, mechanical, and thermal characteristics.

Purpose of the Study:

To develop a high-resolution 3D dopant integration technique for glasses.
To enable precise control over material properties within 3D-shaped glass structures.

Main Methods:

Fabrication of a porous glass matrix via 3D printing or injection molding.
Volumetric 3D printing (e.g., computed axial lithography, two-photon lithography) for dopant precursor infiltration.
Permanent dopant integration through a final sintering step.

Main Results:

Achieved micron-resolution 3D dopant integration within the glass matrix.
Demonstrated selective modification of color, luminescence, and refractive index.
Successfully integrated dopants including Ti⁴⁺, Co²⁺, Eu³⁺, and Tb³⁺.

Conclusions:

The novel lithographic approach enables spatially resolved property modifications in 3D-shaped glasses.
This technique opens possibilities for integrated optics, photonics, anti-counterfeiting, and information storage.