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

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.