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Physical Chemistry of Layered Nanomaterials - Group Dr. Claudia Backes



  1. Kelly, A.G.; Hallam, T.; Backes, C.; Harvey, A.; Esmaeily, A.S.; Godwin, I.; Coelho, J.; Nicolosi, V.; Lauth, J.; Kulkarni, A.; Kinge, S.; Siebbeles, L.D.A.; Duesberg, G.S.; Coleman, J.N.

    All-printed thin-film transistors from networks of liquid-exfoliated nanosheets.

    Science (2017) 356, 69-73.

  2. Nerl, H.C.; Winther, K.; Hage, F.; Thygesen, K.; Houben, L.; Backes, C.; Coleman, J.N.; Ramasse, Q.; Nicolosi, V.

    Probing the local nature of excitons and plasmons in few-layer MoS2.

    Nature 2D Materials and Applications (2017), accepted.

  3. Backes, C.; Higgins, T.M.; Kelly, A.; Boland, C.; Harvey, A.; Hanlon, D.; Coleman J.N.

    Guidelines for Exfoliation, Characterization and Processing of Layered Materials Produced by Liquid Exfoliation.

    Chem. Mater. (2017), 29, 243-255.

  4. Laudenbach, J.; Schmid, D.; Herziger, F.; Hennrich, F.; Kappes, M.; Muoth, M.; Haluska, M.; Hof, F.; Backes, C.; Hauke, F.; Hirsch, A.; Maultzsch, J.

    Diameter dependence of the defect-induced Raman modes in functionalized carbon nanotubes

    Carbon (2017), 112, 1-7.

  5. 2016

  6. Backes, C.; Hanlon, D.; Szydlowska, B.M.; Harvey, A.; Smith, R.J.; Higgins, T.M.; Coleman, J.N.

    Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol.

    J. Vis. Exp. (2016), 118, doi: 10.3791/54806.

    Video available on request

  7. Boland, C.S.; Khan, U.; Ryan, G.; Barwich, S.; Charifou, R.; Harvey, A.; Backes, C.; Li, Z.; Ferreira, M.S.; Möbius, M.E.; Young, R.J.; Coleman, J.N.

    Sensitive electromechanical sensors using viscoelastic graphene-polymer nanocomposites.

    Science (2016), 354, 1257-1260.

  8. Kłopotowski, Ł; Backes, C.; Mitioglu, A.A.;Vega-Mayoral, V.; Hanlon, D.; Coleman, J.N.; Ivanov, Y.V.; Maude, D.K.; Plochocka, P.

    Revealing the nature of excitons in liquid exfoliated monolayer tungsten disulphide

    Nanotechnology (2016), 27, 425701.

  9. Ferguson, A.; Caffrey, I.T.; Backes, C.; Coleman, J.N.; Bergin S.D.

    Differentiating Defect and Basal Plane Contributions to the Surface Energy of Graphite Using Inverse Gas Chromatography

    Chem. Mater. (2016), 28 (17), 6355-6366.

  10. Harvey, A.; He, X.; Godwin, I.; Backes, C. McAteer, D.; Berner, N. C.; McEvoy, N.; Fergusan, A.; Shmeliov, A.; Lyons, M.; Nicolosi, V.; Duesberg, G.S.; Donegan, J.; Coleman, J. N.

    Production of Ni(OH)2 Nanosheets by Liquid Phase Exfoliation: From Optical Properties to Electrochemical Applications

    Journal of Materials Chemistry A (2016), 4, 11046-11059.

  11. Seral-Ascaso, A.; Metel, S.; Pokle, A.; Backes, C.; Zhang, C.J.; Nerl, H.C.; Rode, K.; Berner, N.C.; Downing, C.; McEvoy, N.; Muñoz, E.; Harvey, A.; Gholamvand, Z.; Duesberg, G.S.; Coleman, J.N.; Nicolosi, V.

    Long-chain amine-templated synthesis of gallium sulfide and gallium selenide nanotubes

    Nanoscale (2016), 8, 11698-11706.

  12. Graf, A.; Zakharo, Y.; Schießl, S.P., Backes, C.; Pfohl, M.; Flavel, B.S.; Zaumseil, J.

    Large scale, selective dispersion of long single-walled carbon nanotubes with high photoluminescence quantum yield by shear force mixing

    Elsevier, Carbon (2016), 105, 593-599

    PDF Open-Access

  13. Chen, X.; Berner, N. C.; Backes, C.; Duesberg, G.S.; McDonald, A.

    Functionalization of Two-Dimensional MoS2: On the Reaction Between MoS2 and Organic Thiols

    Angewandte Chemie, Int. Ed. (2016), , 128, 5897-5902.

  14. Kurapati, R.; Backes, C.; Menard-Moyon, C.; Coleman, J. N.; Bianco, A.

    White graphene undergoes peroxidase degradation

    Angewandte Chemie, Int. Ed. (2016), 55, 5506-5511.

  15. Bonaccorso, F.; Bartolotta, A.; Coleman, J. N.; Backes, C.,

    2D-Crystal-Based Functional Inks

    Advanced Materials (2016), 28 (29), 6136-6166.

  16. Gholamvand, Z.; McAteer, D.; Harvey, A.; Backes, C.; Coleman, J.N.,

    Electrochemical Applications of 2-Dimensional Nanosheets: The Effect of Nanosheet Length and Thickness

    Chemistry of Materials (2016), 28, 2641-2651.

  17. Gholamvand, Z.; McAteer, D.; Backes, C.; McEvoy, N.; Harvey, A.; Berner, N. C.; Hanlon, D.; Bradley, C.; Godwin, I.; Rovetta, A.; Lyons, M. E. G.; Coleman, J.N.,

    Comparison of liquid exfoliated transition metal dichalcogenides reveals MoSe2 to be the most effective hydrogen evolution catalyst

    Nanoscale (2016), DOI: 8, 5737-5749.

  18. Backes, C.,C.; Paton, K.; Hanlon, D.; Yuan, S.; Katsnelson, M. I.; Houston, J.; Smith, R.; McCloskey, D.; Donegan, J.F.; Coleman, J.N.,

    Spectroscopic metrics allow in situ measurement of mean size and thickness of liquid-exfoliated few-layer graphene nanosheets.

    Nanoscale (2016), 8, 5737-5749.

  19. Backes, C., C.; Szydłowska, B. M.; Harvey, A.; Yuan, S.; Vega-Mayoral, V.; Davies, B. R.; Zhao, P.-l.; Hanlon, D.; Santos, E. J. G.; Katsnelson, M. I.; Blau, W. J.; Gadermaier, C.; Coleman, J. N.

    Production of Highly Monolayer Enriched Dispersions of Liquid-Exfoliated Nanosheets by Liquid Cascade Centrifugation.

    ACS Nano (2016), 10 (1), 1589–1601.

  20. Vega-Mayoral, V.; # Backes, C.; # Hanlon, D.; Khan, U.; Gholamvand, Z.; O’Brien, M.; Duesberg, G. S.; Gadermaier, C. & Coleman, J.N. (# authors contributed equally)

    Monolayer photoluminescence of liquid-exfoliated WS2 in polymer composites.

    Advanced Functional Materials (2016), 7, 1028-1039

  21. 2015

  22. Hanlon, D.; # Backes, C.; # Doherty, E.; Cucinotta, C. S.; Berner, N. C.; Boland, C.; Lee, K.; Lynch, P.; Gholamvand, Z.; Harvey, A.; Zhang, S.; Wang, K.; Moynihan, G.; Pokle, A.; Ramasse, Q. M.; McEvoy, N.; Blau, W. J.; Wang, J.; Abellan, G.; Hauke, F.; Hirsch, A.; Sanvito, S.; O’Regan, D. D.; Duesberg, G. S.; Nicolosi, V. & Coleman, J. N. (# authors contributed equally)

    Liquid Exfoliation of Solvent-Stabilised Few-Layer Black Phosphorus for Applications Beyond Electronics.

    Nature Communications (2015), 6, 8563.

  23. Berner, N. C.; Winters, S.; Backes, C.; Yim, C.; Dümbgen, K. C.; Kaminska, I.; Mackowski, S.; Cafolla, A. A.; Hirsch, A. & Duesberg, G. S.

    Understanding and optimizing the packing density of perylene bisimide layers on CVD-grown graphene.

    Nanoscale (2015) 7, 16337-16342.

  24. Winters, S.; Berner, N. C.; Mishra, R.; Backes, C.; Hegner, M.; Hirsch, A. & Duesberg, G. S.

    On-surface derivatisation of aromatic molecules on graphene: The importance of packing density.

    Chem. Commun. (2015) DOI: 10.1039/C5CC06433C.

  25. Dirian K.; Backes, S.; Backes, C.; Strauss, V; Rodler, F.; Hirsch, A. & Guldi, D. M.

    Naphthalenebisimides as Photofunctional Surfactants for SWCNTs – Towards Water-Soluble Electron Donor-Acceptor Hybrids.

    Chemical Science (2015) DOI: 10.1039/C5SC02944A.

  26. Knirsch, K. C.; Berner, N. C.; Nerl, H. C.; Cucinotta, C. S.; Gholamvand, Z.; McEvoy, N.; Wang, Z.; Abramovic, I.; Vecera, P.; Halik, M.; Sanvito, S.; Duesberg, G. S.; Nicolosi, V.; Hauke, F.; Hirsch, A.; Coleman, J. N. & Backes, C.

    Basal-Plane Functionalization of Chemically-Exfoliated Molybdenum Disulfide by Diazonium Salts.

    ACS Nano (2015), 9(6), 6018-6030.

  27. Harvey, A.; Backes, C.; Gholamvand, Z.; Hanlon, D.; McAteer, D.; Nerl, H. C.; McGuire, E.; Seral-Ascaso, A.; Ramasse, Q. M.; McEvoy, N.; Winters, S.; Berner, N. C.; McCloskey, D.; Donegan, J.; Duesberg, G.; Nicolosi, V. & Coleman, J. N.

    Preparation of Gallium Sulfide Nanosheets by Liquid Exfoliation and Their Application As Hydrogen Evolution Catalysts.

    Chemistry of Materials (2015), 27(9), 3483-3493.

  28. 2014

  29. Backes, C.; Berner, N. C.; Chen, X.; Lafargue, P.; LaPlace, P.; Freeley, M.; Duesberg, G. S.; Coleman, J. N. & McDonald, A. R.

    Functionalization of liquid-exfoliated two-dimensional 2H-MoS2.

    Angewandte Chemie Int. Ed. (2014), 54, 2638-2642.

  30. Varrla, E.; Backes, C.; Paton, K. R.; Harvey, A.; Gholamvand, Z.; McCauley, J. & Coleman, J. N.

    Large-Scale Production of Size-Controlled MoS2 Nanosheets by Shear Exfoliation

    Chemistry of Materials (2014), 27(3), 1129-1139.

  31. Backes, C., Smith, R. J., McEvoy, N., Berner, McCloskey, D., N. C., Nerl, H. C., O’Neill, A., King, P., Higgins, T., Hanlon, D., Scheuschner, N., Maultzsch, J., Houben, L., Duesberg, G., Donegan, J., Nicolosi, V. & Coleman, J. N.

    Edge and Confinement Effects Allow in situ Measurement of Size and Thickness of Liquid-Exfoliated Nanosheets.

    Nature Communications (2014), 5, 4576.

  32. Boland, C. S., Khan, U., Backes, C., O’Neill, A., McAuley, J., Duane, S., Shanker, R., Liu, Y., Jurewicz, I., Dalton, A. B. & Coleman, J. N.

    Sensitive, high-strain, high-rate, bodily motion sensors based on graphene-rubber composites.

    ACS Nano (2014), 8 (9), 8819-8830.

  33. Varrla, E.; Paton, K. R.; Backes, C.; Harvey, A.; Smith, R. J.; McCauley, J. & Coleman, J. N.

    Turbulence-assisted shear exfoliation of graphene using household detergent and a kitchen blender.

    Nanoscale (2014), 6, 11810-11819.

  34. Paton, K. R.; Varrla, E.; Backes, C.; Smith, R. J.; Khan, U.; O’Neill, A.; Boland, C.; Lotya, M.; Istrate, O. M.; King, P.; Higgins, T.; Barwich, S.; May, P.; Puczkarski, P.; Ahmed, I.; Moebius, M.; Pettersson, H.; Long, E.; Coelho, J.; O’Brien, S. E.; McGuire, E. K.; Sanchez, B. M.; Duesberg, G. S.; McEvoy, N.; Pennycook, T. J.; Downing, C.; Crossley, A.; Nicolosi, V. &Coleman, J. N.

    Scalable production of large quantities of defect-free few-layer graphene by shear exfoliation in liquids.

    Nature Materials, (2014), 13 (6), 624-630 (highlighted in media world-wide, for example Scientific American, New Scientist, BBC News, The Independent, Die Zeit).

  35. Hanlon, D.; Backes, C.; Higgins, T. M.; Hughes, M.; O’Neill, A.; King, P.; McEvoy, N.; Duesberg, G. S.; Mendoza Sanchez, B.; Pettersson, H.; Nicolosi, V. & Coleman, J. N.

    Production of Molybdenum Trioxide Nanosheets by Liquid Exfoliation and Their Application in High-Performance Supercapacitors.

    Chemistry of Materials (2014), 26 (4), 1751-1763.

  36. 2013

  37. Wang, Z., Mohammadzadeh, S., Schmaltz, T., Kirschner, J., Khassanov, A., Eigler, S., Mundloch, U., Backes, C., Steinrück, H.-G., Magerl, A., Hauke, F., Hirsch, A. & Halik, M.

    Region-Selective Self-Assembly of Functionalized Carbon Allotropes from Solution.

    ACS Nano (2013), 7 (12), 11427-11434.

  38. Cunningham, G., Khan, U., Backes, C., Hanlon, D. McCloskey, D. Donegan, J. F. & Coleman, J. N.

    Photoconductivity of solution-processed MoS2 films.

    Journal of Materials Chemistry C (2013), 1 (41), 6899-6904.

  39. Backes, C., Hauke, F. & Hirsch, A.

    Tuning the adsorption of perylene-based surfactants on the surface of single-walled carbon nanotubes (SWCNTs).

    Physica Status Solidi B (2013), 250 (12), 2592-2598.

  40. Jakubka, F. Backes, C., Gannott, F., Mundloch, U., Hauke, F., Hirsch, A., & Zaumseil, J.

    Mapping Charge Transport by Electroluminescence in Chirality-Selected Carbon Nanotube Networks.

    ACS Nano (2013), 7 (8), 7428-7435.

  41. 2011

  42. Gebhardt, G., Hof F., Backes, C., Müller, M., Plocke, T., Thomsen. C., Hauke, F. & Hirsch, A.

    Selective Reductive Sidewall Carboxylation of Semiconducting Single-Walled Carbon Nanotubes.

    Journal of the American Chemical Society (2011), 133, 19459-19473.

  43. Backes, C., Bosch, S., Mundloch, U., Hauke, F. & Hirsch, A.

    Density Gradient Ultracentrifugation on Carbon Nanotubes According to Structural Integrity as a Foundation for an Absolute Purity Evaluation.

    ChemPhysChem 12, 2576-2580 (2011).

  44. Backes, C., Hauke, F. & Hirsch, A.

    The Potential of Perylene Bisimide Derivatives for the Solubilization of Carbon Nanotubes and Graphene.

    Advanced Materials 23, 2588–2601 (2011). (review)

  45. Gebhardt, B., Syrgiannis, Z., Backes, C., Graupner, R., Hauke, F. & Hirsch, A.

    Carbon Nanotube Sidewall Functionalization with Carbonyl Compounds-Modified Birch Conditions vs the Organometallic Reduction Approach.

    Journal of the American Chemical Society 133, 7985–7995 (2011).

  46. Backes, C., Schunk, T., Hauke, F. & Hirsch, A.

    Counterion effect on the aggregation of anionic perylene dyes and the influence on carbon nanotube dispersion efficiencies.

    Journal of Materials Chemistry 21, 3554 (2011).

  47. Backes, C., Schmidt, C. D., Hauke, F. & Hirsch, A.

    Perylene-Based Nanotweezers: Enrichment of Larger-Diameter Single-Walled Carbon Nanotubes.

    Chemistry - An Asian Journal 6, 438–444 (2011).

  48. 2010

  49. Backes, C., Englert, J. M., Bernhard, N., Hauke, F. & Hirsch, A.

    Optical Visualization of Carbon Nanotubes-a Unifying Linkage between Microscopic and Spectroscopic Characterization Techniques.

    Small 6, 1968–1973 (2010). (cover article, highlighted by Nanowerk Platform)

  50. Karabudak, E., # Backes, C., # Hauke, F., Schmidt, C. D., Cölfen, H., Hirsch, A. & Wohlleben, W. (# authors contributed equally)

    A Universal Ultracentrifuge Spectrometer Visualizes CNT-Intercalant-Surfactant Complexes.

    ChemPhysChem 11, 3224–3227 (2010).

  51. Backes, C., Mundloch, U., Schmidt, C. D., Coleman, J. N., Wohlleben, W., Hauke, F. & Hirsch, A.

    Enhanced Adsorption Affinity of Anionic Perylene-Based Surfactants towards Smaller-Diameter SWCNTs.

    Chemistry - A European Journal 16, 13185–13192 (2010).

  52. Backes, C., Karabudak, E., Schmidt, C. D., Hauke, F., Hirsch, A. & Wohlleben, W.

    Determination of the Surfactant Density on SWCNTs by Analytical Ultracentrifugation.

    Chemistry - A European Journal 16, 13176–13184 (2010).

  53. Backes, C., Mundloch, U., Ebel, A., Hauke, F. & Hirsch, A.

    Dispersion of HiPco® and CoMoCAT® Single-Walled Nanotubes (SWNTs) by Water Soluble Pyrene Derivatives-Depletion of Small Diameter SWNTs.

    Chemistry - A European Journal 16, 3314–3317 (2010). (cover article)

  54. Backes, C., Schmidt, C. D., Rosenlehner, K., Hauke, F., Coleman, J. N. & Hirsch, A.

    Nanotube Surfactant Design: The Versatility of Water-Soluble Perylene Bisimides.

    Advanced Materials 22, 788–802 (2010).

  55. 2009

  56. Ehli, C., Oelsner, C., Guldi, D. M., Mateo-Alonso, A., Prato, M., Schmidt, C. D., Backes, C., Hauke, F. & Hirsch, A.

    Manipulating single-wall carbon nanotubes by chemical doping and charge transfer with perylene dyes.

    Nature Chemistry 1, 243–249 (2009).

  57. Backes, C., Hauke, F., Schmidt, C. D. & Hirsch, A.

    Fractioning HiPco and CoMoCAT SWCNTs via density gradient ultracentrifugation by the aid of a novel perylene bisimide derivative surfactant.

    Chemical Communications, 2643 (2009). (cover article)

  58. Backes, C., Schmidt, C. D., Hauke, F., Böttcher, C. & Hirsch, A.

    High Population of Individualized SWCNTs through the Adsorption of Water-Soluble Perylenes.

    Journal of the American Chemical Society 131, 2172–2184 (2009).

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