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      Supramolecular networks stabilise and functionalise black phosphorus

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      Publication date
      2017-12-15
      Creators
      Korolkov, Vladimir
      Metadata
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      Description
      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 Wwe show that the surface of black phosphorus (BP) supports the formation of 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) in the ambient. 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 (TCPB) to form supramolecular heterostructures.
      External URI
      • https://rdmc.nottingham.ac.uk/handle/internal/333
      DOI
      • http://doi.org/10.17639/nott.329
      Subjects
      • afm, atomic force microscopy, self-assembly, networks, supramolecular heterostructures, epitaxy, black phosphorus, xps, raman
      • Physical sciences::Materials science
      • Q Science::QD Chemistry::QD450 Physical and theoretical chemistry
      Divisions
      • University of Nottingham, UK Campus::Faculty of Science::School of Physics and Astronomy
      • University of Nottingham, UK Campus::Faculty of Science::School of Chemistry
      Deposit date
      2017-12-19
      Data type
      raw atomic force microscopy images, optical images, raw XPS and Raman data
      Contributors
      • Timokhin, Ivan
      • Haubrichs, Rolf
      • Smith, Emily
      • Yang, Lixu
      • Yang, Sihai
      • Champness, Neil
      • Schroder, Martin
      • Beton, Peter
      Funders
      • Engineering & Physical Sciences Research Council
      • Other
      • Leverhulme Trust
      Grant number
      • Leverhulme Trust (Grant RPG-2016-104)
      • EPSRC (Grants EP/N033906/1, EP/I011870/2, EP/K005138/1, EP/K01773X/1)
      • ERC Advanced Grant (AdG 226593)
      Collection dates
      • June 2016-June 2017
      Coverage
      • UK, Nottinghamshire, Nottingham
      • 52.9413891, -1.1912686
      Data collection method
      Atomic Force Microscope, Horiba LABRAM confocal microscope/spectrometer, Kratos AXIS ULTRA, Leica optical microscope
      Resource languages
      • en
      Publisher
      The University of Nottingham

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