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Self-assembled 2D Free-Standing Janus Nanosheets with Single-Layer Thickness

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Title: Self-assembled 2D Free-Standing Janus Nanosheets with Single-Layer Thickness
Authors: Lin, Y
Thomas, MR
Gelmi, A
Leonardo, V
Pashuck, ET
Maynard, SA
Wang, Y
Stevens, MM
Item Type: Journal Article
Abstract: We report the thermodynamically controlled growth of solution-processable and free-standing nanosheets via peptide assembly in two dimensions. By taking advantage of self-sorting between peptide β-strands and hydrocarbon chains, we have demonstrated the formation of Janus 2D structures with single-layer thickness, which enable a predetermined surface heterofunctionalization. A controlled 2D-to-1D morphological transition was achieved by subtly adjusting the intermolecular forces. These nanosheets provide an ideal substrate for the engineering of guest components (e.g., proteins and nanoparticles), where enhanced enzyme activity was observed. We anticipate that sequence-specific programmed peptides will offer promise as design elements for 2D assemblies with face-selective functionalization.
Issue Date: 13-Sep-2017
Date of Acceptance: 4-Sep-2017
URI: http://hdl.handle.net/10044/1/50617
DOI: https://dx.doi.org/10.1021/jacs.7b06591
ISSN: 1520-5126
Publisher: American Chemical Society
Start Page: 13592
End Page: 13595
Journal / Book Title: Journal of the American Chemical Society
Volume: 139
Issue: 39
Copyright Statement: This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
Sponsor/Funder: Commission of the European Communities
Engineering & Physical Science Research Council (E
Biotechnology and Biological Sciences Research Council (BBSRC)
Engineering & Physical Science Research Council (EPSRC)
Commission of the European Communities
Commission of the European Communities
Funder's Grant Number: PIEF_GA-2010-275433
EP/K031953/1
BB/L015129/1
EP/K020641/1
ERC-2013-CoG-616417
660757
Keywords: 03 Chemical Sciences
General Chemistry
Publication Status: Published online
Appears in Collections:Faculty of Engineering
Materials
Faculty of Natural Sciences



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