Dr. Claudia Backes

Dr. Claudia Backes


Former Ph.D. Student

2007 – 2011


Zentralinstitut für Neue Materialien und Prozesstechnik Zentralinstitut für Neue Materialien und Prozesstechnik


Applied Physical Chemistry
University of Heidelberg Im Neuenheimer Feld 253 D-69120 Heidelberg


Phone: +49 6221 54-5378


Ph.D. Thesis

“Fundamental Aspects of Noncovalent Functionalisation of Single-Walled Carbon Nanotubes in Water”

(Fundamentale Einblicke in die nichtkovalente Funktionalisierung einwandiger Kohlenstoffnanoröhren in Wasser)

Research area

noncovalent functionalisation of carbon nanotubes, nanotube spectroscopy, nanotube dispersion and size selection


25)J. Laudenbach, D. Schmid, F. Herziger, F. Hennrich, M. Kappes, M. Muoth, M. Haluska, F. Hof, C. Backes, F. Hauke, A. Hirsch, J. Maultzsch Diameter dependence of the defect-induced Raman modes in functionalized carbon nanotubesCarbon 2017, 1-7
24)K. C. Knirsch, N. C. Berner, H. C. Nerl, C. S. Cucinotta, Z. Gholamvand, N. McEvoy, Z. Wang, I. Abramovic, P. Vecera, M. Halik, S. Sanvito, G. S. Duesberg, V. Nicolosi, F. Hauke, A. Hirsch, J. N. Coleman, C. Backes Basal-Plane Functionalization of Chemically Exfoliated Molybdenum Disulfide by Diazonium SaltsACS Nano 2015, 9, 6018-6030
23)D. Hanlon, C. Backes, E. Doherty, C. S. Cucinotta, N. C. Berner, C. Boland, K. Lee, A. Harvey, P. Lynch, Z. Gholamvand, S. Zhang, K. Wang, G. Moynihan, A. Pokle, Q. M. Ramasse, N. McEvoy, W. J. Blau, J. Wang, G. Abellan, F. Hauke, A. Hirsch, S. Sanvito, D. D. O'Regan, G. S. Duesberg, V. Nicolosi, J. N. Coleman Liquid exfoliation of solvent-stabilized few-layer black phosphorus for applications beyond electronicsNat. Commun. 2015, 6, 8563
22)S. Winters, N. C. Berner, R. Mishra, K. C. Dümbgen, C. Backes, M. Hegner, A. Hirsch, G. S. Duesberg On-surface derivatisation of aromatic molecules on graphene: the importance of packing densityChem. Commun. 2015, 16778-16781
21)N. C. Berner, S. Winters, C. Backes, C. Yim, K. C. Dümbgen, I. Kaminska, S. Mackowski, A. A. Cafolla, A. Hirsch, G. S. Duesberg Understanding and optimising the packing density of perylene bisimide layers on CVD-grown grapheneNanoscale 2015, 7, 16337-16342
20)F. Jakubka, C. Backes, F. Gannott, U. Mundloch, F. Hauke, A. Hirsch, J. Zaumseil Mapping Charge Transport by Electroluminescence in Chirality-Selected Carbon Nanotube NetworksACS Nano 2013, 7, 7428-7435
19)Z. Wang, S. Mohammadzadeh, T. Schmaltz, J. Kirschner, A. Khassanov, S. Eigler, U. Mundloch, C. Backes, H. Steinrück, A. Magerl, F. Hauke, A. Hirsch, M. Halik Region-Selective Self-Assembly of Functionalized Carbon Allotropes from SolutionACS Nano 2013, 7, 11427-11434
18)C. Backes, F. Hauke, A. Hirsch Tuning the adsorption of perylene-based surfactants on the surface of single-walled carbon nanotubesphysica status solidi (b) 2013, 250, 2592-2598
17)C. Backes, A. Hirsch Noncovalent Functionalization of Carbon NanotubesSpringer Theses 2012, 1-48
16)B. Gebhardt, Z. Syrgiannis, C. Backes, R. Graupner, F. Hauke, A. Hirsch Carbon Nanotube Sidewall Functionalization with Carbonyl Compounds—Modified Birch Conditions vs the Organometallic Reduction ApproachJournal of the American Chemical Society 2011, 133, 7985-7995
15)C. Backes, T. Schunk, F. Hauke, A. Hirsch Counterion effect on the aggregation of anionic perylene dyes and the influence on carbon nanotube dispersion efficienciesJ. Mater. Chem. 2011, 21, 3554-3557
14)C. Backes, S. Bosch, U. Mundloch, F. Hauke, A. Hirsch Density Gradient Ultracentrifugation on Carbon Nanotubes According to Structural Integrity as a Foundation for an Absolute Purity EvaluationChemPhysChem 2011, 12, 2576-2580
13)C. Backes, C. D. Schmidt, F. Hauke, A. Hirsch Perylene-Based Nanotweezers: Enrichment of Larger-Diameter Single-Walled Carbon NanotubesChemistry - An Asian Journal 2011, 6, 438-444
12)B. Gebhardt, F. Hof, C. Backes, M. Müller, T. Plocke, J. Maultzsch, C. Thomsen, F. Hauke, A. Hirsch Selective polycarboxylation of semiconducting single-walled carbon nanotubes by reductive sidewall functionalizationJournal of the American Chemical Society 2011, 133, 19459-19473
11)C. Backes, F. Hauke, A. Hirsch The Potential of Perylene Bisimide Derivatives for the Solubilization of Carbon Nanotubes and GrapheneAdvanced Materials 2011, 23, 2588-2601
10)E. Karabudak, C. Backes, F. Hauke, C. D. Schmidt, H. Cölfen, A. Hirsch, W. Wohlleben A Universal Ultracentrifuge Spectrometer Visualizes CNT-Intercalant-Surfactant ComplexesChemPhysChem 2010, 11, 3224-3227
9)A. Hirsch, C. Backes Carbon Nanotube Science. Synthesis, Properties and Applications. By Peter J. F. HarrisAngewandte Chemie International Edition 2010, 49, 1722-1723
8)C. Backes, E. Karabudak , C. D. Schmidt, F. Hauke, A. Hirsch, W. Wohlleben Determination of the Surfactant Density on SWCNTs by Analytical UltracentrifugationChemistry - A European Journal 2010, 16, 13176-13184
7)C. Backes, U. Mundloch, A. Ebel, F. Hauke, A. Hirsch Dispersion of HiPco® and CoMoCAT® Single-Walled Nanotubes (SWNTs) by Water Soluble Pyrene Derivatives-Depletion of Small Diameter SWNTsChemistry - A European Journal 2010, 16, 3314-3317
6)C. Backes, U. Mundloch, C. D. Schmidt, J. N. Coleman, W. Wohlleben, F. Hauke, A. Hirsch Enhanced Adsorption Affinity of Anionic Perylene-Based Surfactants towards Smaller-Diameter SWCNTsChemistry - A European Journal 2010, 16, 13185-13192
5)C. Backes, C. D. Schmidt, K. Rosenlehner, F. Hauke, J. N. Coleman, A. Hirsch Nanotube Surfactant Design: The Versatility of Water-Soluble Perylene BisimidesAdvanced Materials 2010, 22, 788-802
4)C. Backes, J. M. Englert, N. Bernhard, F. Hauke, A. Hirsch Optical Visualization of Carbon Nanotubes-a Unifying Linkage Between Microscopic and Spectroscopic Characterization TechniquesSmall 2010, 6, 1968-1973
3)C. Backes, F. Hauke, C. D. Schmidt, A. Hirsch Fractioning HiPco and CoMoCAT SWCNTs via density gradient ultracentrifugation by the aid of a novel perylene bisimide derivative surfactantChemical Communications 2009, 2643
2)C. Backes, C. D. Schmidt, F. Hauke, C. Böttcher, A. Hirsch High Population of Individualized SWCNTs through the Adsorption of Water-Soluble PerylenesJournal of the American Chemical Society 2009, 131, 2172-2184
1)C. Ehli, C. Oelsner, D. M. Guldi, A. Mateo-Alonso, M. Prato, C. Schmidt, C. Backes, F. Hauke, A. Hirsch Manipulating single-wall carbon nanotubes by chemical doping and charge transfer with perylene dyesNature Chemistry 2009, 1, 243-249