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Robust, directed assembly of fluorescent nanodiamonds
Mehran Kianinia1, Olga Shimoni1, Avi Bendavid2
1School of Mathematical and Physical Sciences, University of Technology Sydney, P.O. Box 123, Broadway, NSW 2007 Australia. Charlene Lobo, charlene.lobo@uts.edu.au igor.aharonovich@uts.edu.au m.toth@uts.edu.au.
Nanoscale
|October 14, 2016
Summary
Researchers developed a simple method to assemble fluorescent nanoparticles into large arrays. This robust process achieves over 90% yield and creates stable patterns for advanced applications.
Area of Science:
- Materials Science
- Nanotechnology
- Quantum Physics
Background:
- Fluorescent nanoparticles are crucial for sensing, nanophotonics, and quantum communications.
- Developing scalable methods for nanoparticle assembly is a key challenge.
Purpose of the Study:
- To present a simple and robust method for assembling fluorescent nanodiamonds into macroscopic arrays.
- To demonstrate the versatility and stability of the developed assembly technique.
Main Methods:
- Utilizing covalent bonding between carboxyl and amine functional carbon seeds for directed assembly.
- Applying the method to assemble fluorescent nanodiamonds into macroscopic patterns.
Main Results:
- Achieved a directed assembly yield greater than 90%.
- Demonstrated that assembled patterns withstand over three hours of ultrasonication.
- Confirmed applicability to various materials and non-planar surfaces.
Conclusions:
- The developed method offers a straightforward and effective way to create macroscopic arrays of fluorescent nanoparticles.
- This technique facilitates the fabrication of advanced devices, including sensors and nanophotonic components.
