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Directed Self-Assembly Driven Mesoscale Lithography Using Laser-Induced and Manipulated Microbubbles: Complex
Subhrokoli Ghosh1, Anand Dev Ranjan1, Santu Das2
1Light Matter Lab, Department of Physical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur 741246, India.
Nano Letters
|December 9, 2020
Summary
Laser-induced microbubbles enable directed self-assembly of particles for advanced microlithography. This technique reliably patterns diverse materials, from polymers to proteins, with broad applications.
Area of Science:
- Physics
- Materials Science
- Nanotechnology
Background:
- Laser-induced microbubbles at liquid-solid interfaces drive particle self-assembly.
- This phenomenon underpins a rapidly advancing microlithography technique.
Purpose of the Study:
- To review the science and state-of-the-art of laser-induced microbubble-driven self-assembly.
- To discuss the physics, techniques, and applications of this microlithography method.
Main Methods:
- Investigating the physics of bubble-driven self-assembly.
- Developing techniques for generating complex mesoarchitectures (discrete and continuous).
- Demonstrating applications in plastic electronics, catalysis, and biosensing.
Main Results:
- Reliable patterning of diverse mesoscopic materials, including polymers, metals, and proteins.
- Creation of complex discrete and continuous mesoarchitectures.
- Successful applications demonstrated in advanced technological fields.
Conclusions:
- Laser-induced microbubble self-assembly is a powerful microlithography technique.
- The technology shows significant potential for patterning a wide range of mesoscopic materials.
- Challenges remain in achieving the full potential of patterning 'everything' mesoscopic.
