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Emerging fabrication techniques for 3D nano-structuring in plasmonics and single molecule studies
F De Angelis1, C Liberale, M L Coluccio
1Fondazione Istituto Italiano di Tecnologia, NanoBioScience Department, via Morego 30, I16163 Genova, Italy. enzo.difabrizio@iit.it
Nanoscale
|May 13, 2011
Summary
Emerging nanofabrication techniques enable 3D structuring of noble metals for advanced biological and medical applications. These methods create novel nanodevices for single-molecule analysis in native environments.
Area of Science:
- Nanotechnology
- Materials Science
- Biomedical Engineering
Background:
- Increasing demand for detailed molecular-level information in biology and medicine.
- Limitations of conventional planar nanofabrication for complex 3D structures.
- Emerging fabrication techniques offer solutions for nanoscale 3D structuring.
Purpose of the Study:
- Demonstrate the use of emerging techniques for 3D nanoscale structuring of noble metals.
- Fabricate novel plasmonic nanodevices for advanced applications.
- Highlight the potential of these techniques for future biological and medical research.
Main Methods:
- Electroless deposition of silver
- Ion and electron beam induced deposition
- Focused ion beam milling
- Two-photon lithography
Main Results:
- Successful 3D structuring of noble metals at the nanoscale.
- Fabrication of plasmonic nanolenses, nanoprobes, and optical tweezer beads.
- Demonstration of versatile nanofabrication capabilities.
Conclusions:
- Emerging techniques are crucial for 3D nanoscale fabrication.
- Developed nanodevices hold promise for single-cell manipulation and chemical investigation.
- Significant advantages anticipated for biology and medicine through advanced nanofabrication.
