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Nanolayer Growth on 3-Dimensional Micro-Objects by Pulsed Laser Deposition
Nikolaos A Vainos1,2, Eleftherios Bagiokis1, Vagelis Karoutsos1
1Department of Materials Science, University of Patras, 26504 Patras, Greece.
Nanomaterials (Basel, Switzerland)
|December 30, 2020
Summary
Researchers demonstrate pulsed laser deposition for creating functional nanolayers on complex 3D micro-objects. This advanced technique enables durable, well-adhered films with maintained properties for future nanotechnology applications.
Area of Science:
- Materials Science
- Nanotechnology
- Laser Physics
Background:
- Pulsed Laser Deposition (PLD) is a versatile thin-film deposition technique.
- Applying PLD to complex 3D micro-objects presents significant challenges in achieving uniform coatings.
- Developing methods for depositing functional nanolayers on intricate surfaces is crucial for advanced applications.
Purpose of the Study:
- To demonstrate the feasibility of pulsed laser deposition on 3D micro-objects with complex morphologies.
- To investigate the congruent transfer of multicomponent materials during deposition.
- To evaluate the properties of the deposited nanolayers on various substrates.
Main Methods:
- Utilized ArF excimer laser pulses (193 nm) with relatively low fluence (<200 mJ cm⁻²).
- Performed multicomponent ablation for congruent material transfer.
- Deposited cellulose and polymer/Y₃Al₅O₁₂:Ce phosphor composite nanolayers on 3D micro-objects.
Main Results:
- Achieved successful deposition of nanolayers on complex 3D micro-objects.
- Deposited films exhibited thicknesses ranging from approximately 50 nm to over 300 nm.
- The resulting films were durable, well-adhered, and retained the structural and functional properties of the parent materials.
Conclusions:
- Deep-ultraviolet pulsed laser deposition is effective for creating novel functional nanostructures on arbitrary surface morphologies.
- The technique offers unique capabilities for coating complex 3D micro-objects.
- This method holds significant potential for future advancements in 3D nanotechnologies.
