Lander Verstraete
Self-assembly under confinement: nanocorrals for understanding fundamentals of 2D crystallization
Verstraete, Lander; Greenwood, John; Hirsch, Brandon E.; De Feyter, Steven
Authors
John Greenwood
Brandon E. Hirsch
Steven De Feyter
Abstract
Nanocorrals with different size, shape, and orientation are created on covalently modified highly oriented pyrolytic graphite surfaces using scanning probe nanolithography, i.e., nanoshaving. Alkylated diacetylene molecules undergo laterally confined supramolecular self-assembly within these corrals. When nanoshaving is performed in situ, at the liquid–solid interface, the orientation of the supramolecular lamellae structure is directionally influenced by the gradual graphite surface exposure. Careful choice of the nanoshaving direction with respect to the substrate symmetry axes promotes alignment of the supramolecular lamellae within the corral. Self-assembly occurring inside corrals of different size and shape reveals the importance of geometric and kinetic constraints controlled by the nanoshaving process. Finally, seed-mediated crystallization studies demonstrate confinement control over nucleation and growth principles.
Citation
Verstraete, L., Greenwood, J., Hirsch, B. E., & De Feyter, S. (in press). Self-assembly under confinement: nanocorrals for understanding fundamentals of 2D crystallization. ACS Nano, 10(12), https://doi.org/10.1021/acsnano.6b05954
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 11, 2016 |
Online Publication Date | Oct 17, 2016 |
Deposit Date | Feb 8, 2017 |
Publicly Available Date | Mar 28, 2024 |
Journal | ACS Nano |
Print ISSN | 1936-0851 |
Electronic ISSN | 1936-086X |
Publisher | American Chemical Society |
Peer Reviewed | Peer Reviewed |
Volume | 10 |
Issue | 12 |
DOI | https://doi.org/10.1021/acsnano.6b05954 |
Keywords | Self-assembly, Confinement, Nucleation and growth, Scanning tunneling microscopy |
Public URL | https://nottingham-repository.worktribe.com/output/823230 |
Publisher URL | http://pubs.acs.org/doi/abs/10.1021/acsnano.6b05954 |
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