Layer-in-Layer Hierarchical Nanostructures Fabricated by Combining Holographic Polymerization and Block Copolymer Self-Assembly
Abstract
We report the combination of top-down and bottom-up nanomanufacturing techniques to fabricate active, hierarchically structured volume reflection gratings. Holographic polymerization (H-P) formed lamellar structures of approximately 200 nm in thickness, confining a block copolymer (BCP) to approximately 100 nm domains. Subsequently, the BCP self-assembles into nanolayers with a period of approximately 21 nm. We envisage that this approach opens a gateway to fabricating hierarchical nanostructures at different length scales.
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The trade-off between enhanced toughness and impaired strength/modulus in PLA-PCL persists despite efforts to modify hierarchical structures.
“However, the contradiction between enhanced toughness and impaired strength and modulus always existed.”
From Simultaneously Toughening and Strengthening of PLA-b-PCL Copolymer via Pressure-induced-flow Processing at Room Temperature (2018) · cites this paper as [20]
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References 32 · Cited by 33
- Authors
- Birnkrant, M. J., Li, C. Y., Natarajan, L. V., Tondiglia, V. P., Sutherland, R. L., Lloyd, P. F., & Bunning, T. J.
- Affiliations
- Drexel University (US)
- Leidos (United States) (US)
- UES (United States) (US)
- United States Air Force Research Laboratory (US)
- Corresponding author
- Bunning, Timothy J.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-09-14
- Volume
- 7
- Issue
- 10
- Pages
- 3128-3133
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2077394873
- Cited by
- 33
- References
- 32
- Citations by year
- 2026: 1 · 2024: 1 · 2023: 1 · 2020: 4 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 2
- FWCI
- 2.03
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Nano Letters (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Division of Materials Research
- Division of Civil, Mechanical and Manufacturing Innovation
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Block Copolymer Self-Assembly
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Photonic Crystals and Applications
- Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
- Keywords
- block copolymer self-assembly, hierarchical nanostructures, lamellar structure, nanolayers, photonic crystals
- MeSH terms
- Crystallization, Holography, Materials Testing, Molecular Conformation, Particle Size, Polymers, Surface Properties, Nanotechnology, Macromolecular Substances, Nanostructures
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