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Self-assembly under confinement: nanocorrals for understanding fundamentals of 2D crystallization

Verstraete, Lander; Greenwood, John; Hirsch, Brandon E.; De Feyter, Steven

Authors

Lander Verstraete

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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