Korolkov, VV;
Timokhin, IG;
Haubrichs, R;
Smith, EF;
Yang, L;
Yang, S;
Champness, NR;
... Beton, PH; + view all
(2017)
Supramolecular networks stabilise and functionalise black phosphorus.
Nature Communications
, 8
, Article 1385. 10.1038/s41467-017-01797-6.
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Abstract
The limited stability of the surface of black phosphorus (BP) under atmospheric conditions is a significant constraint on the exploitation of this layered material and its few layer analogue, phosphorene, as an optoelectronic material. Here we show that supramolecular networks stabilised by hydrogen bonding can be formed on BP, and that these monolayer-thick films can passivate the BP surface and inhibit oxidation under ambient conditions. The supramolecular layers are formed by solution deposition and we use atomic force microscopy to obtain images of the BP surface and hexagonal supramolecular networks of trimesic acid and melamine cyanurate (CA.M) under ambient conditions. The CA.M network is aligned with rows of phosphorus atoms and forms large domains which passivate the BP surface for more than a month, and also provides a stable supramolecular platform for the sequential deposition of 1,2,4,5-tetrakis(4-carboxyphenyl)benzene to form supramolecular heterostructures.
| Type: | Article |
|---|---|
| Title: | Supramolecular networks stabilise and functionalise black phosphorus |
| Location: | England |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1038/s41467-017-01797-6 |
| Publisher version: | http://doi.org/10.1038/s41467-017-01797-6 |
| Language: | English |
| Additional information: | © The Author(s) 2017. This article is licensed under a Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). |
| Keywords: | Scanning probe microscopy, Surface assembly, Two-dimensional materials |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10056690 |
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