Well-Ordered Nanonetwork Metamaterials from Block Copolymer Templated Syntheses
Kai-Chieh Yang1, Puhup Puneet1, Po-Ting Chiu1
1Department of Chemical Engineering, National Tsing Hua University, Taiwan 30013, R.O.C.
Accounts of Chemical Research
|July 18, 2022
Summary
Nature-inspired nanonetwork metamaterials offer advanced mechanical and optical properties. Block copolymer self-assembly enables precise fabrication of these complex structures for futuristic devices.
Area of Science:
- Materials Science
- Nanotechnology
- Biomimetics
Background:
- Nature utilizes complex architectures for optimized functions, inspiring synthetic materials.
- Metamaterials derive properties from deliberate structuring, not bulk composition.
- Nanonetwork architectures offer unique mechanical and optical properties due to their structure.
Purpose of the Study:
- To review advancements in fabricating nanohybrids and nanoporous materials with ordered nanonetwork textures.
- To highlight the combination of block copolymer self-assembly and templated synthesis.
- To explore applications in mechanical and optical fields, including chiral metamaterials.
Main Methods:
- Bottom-up fabrication approaches, particularly block copolymer (BCP) self-assembly.
- Templated synthesis methods for creating nanonetwork structures.
- Controlled fabrication of nanonetworks with precise size, shape, and orientation.
Main Results:
- Successful fabrication of nanohybrids and nanoporous materials with well-ordered nanonetwork textures.
- Achieved controlled helicity in nanonetworks for advanced chiroptic applications.
- Demonstrated superior mechanical and optical properties beyond natural counterparts.
Conclusions:
- Nanonetwork metamaterials exhibit exceptional properties for diverse applications.
- Block copolymer self-assembly is a key technique for bottom-up nanonetwork fabrication.
- Further research on structure-property relationships will drive development of futuristic devices.
