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Updated: Jun 4, 2025

Fabrication of Spatially Confined Complex Oxides

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

Additive Manufacturing of Binary and Ternary Oxide Systems Using Two-Photon Polymerization and Low-Temperature

Halima El Aadad¹, Hicham El Hamzaoui¹, Yves Quiquempois¹

¹Univ. Lille, CNRS, UMR 8523-Physique des Lasers Atomes et Molécules (PhLAM), F-59000 Lille, France.

Nanomaterials (Basel, Switzerland)

|December 17, 2024

Summary

Researchers created novel hybrid photoresists for 3D printing intricate microstructures using two-photon polymerization (2PP). These advanced materials enable the fabrication of high-resolution bioglass scaffolds with tunable pore sizes for diverse applications.

Keywords:

additive manufacturing low-temperature sintering multicomponent systems sol–gel process two-photon polymerization

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Last Updated: Jun 4, 2025

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Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

Area of Science:

Materials Science
Biomaterials Engineering
Additive Manufacturing

Background:

Multicomponent oxide systems are crucial in optics and medicine.
Hybrid materials offer unique properties by combining organic and inorganic components.
Two-photon polymerization (2PP) is an advanced technique for high-resolution 3D printing.

Purpose of the Study:

To develop novel hybrid photoresists for 3D printing using two-photon polymerization (2PP).
To investigate the fabrication of complex microstructures from SiO2-CaO and SiO2-CaO-P2O5 systems.
To characterize the thermal stability and structural properties of the printed materials.

Main Methods:

Development of hybrid photoresists combining organic acrylate resin and inorganic sol precursors.
3D printing of complex microstructures using two-photon polymerization (2PP).
Characterization via thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM).

Main Results:

Successfully 3D printed microstructures with resolutions of 235 nm and pore sizes of 355 nm.
Materials demonstrated thermal stability up to 700 °C without structural collapse.
FTIR and SEM confirmed the presence of oxide systems and nanoparticle formation after sintering.

Conclusions:

The developed hybrid photoresists are suitable for fabricating high-resolution bioglass scaffolds via 2PP.
The process allows for precise control over scaffold design and properties.
This work paves the way for advanced bioglass scaffold fabrication with design flexibility.