Publikationen

 Journals

• Fermi energy shift in deposited metallic nanotubes: A Raman scattering study
  B. Hatting, S. Heeg, K. Ataka, J. Heberle, F. Hennrich, M. M. Kappes, R. Krupke, S. Reich
  Phys. Rev. B 87 (2013) 165442, 10.1103/PhysRevB.87.165442

• Separation of Single-Walled Carbon Nanotubes by 1-Dodecanol-Mediated Size-Exclusion Chromatography
  B. S. Flavel, M. M. Kappes, R. Krupke, F. Hennrich
  ACS Nano 7 (2013) 3557-3564, 10.1021/nn4004956

• Electroluminescence in Single Layer MoS2
  R. S. Sundaram, M. Engel, A. Lombardo, R. Krupke, A. C. Ferrari, Ph. Avouris, M. Steiner
  Nano Letters 13 (2013) 1416-1421, 10.1021/nl400516a

• Catalytic subsurface etching of nanoscale channels in graphite
  M. Lukas, V. Meded, A. Vijayaraghavan, L. Song, P. M. Ajayan, K. Fink, W. Wenzel, R. Krupke
  Nature Communications 4 (2013) 1379, 10.1038/ncomms2399

• Single- and Double-Sided Chemical Functionalization of Bilayer Graphene
  A. Felten, B. S. Flavel, L. Britnell, A. Eckmann, P. Louette, J.-J. Pireaux, M. Hirtz, R. Krupke, C. Casiraghi
  Small 9 (2012) 631-639, 10.1002/smll.201202214

• Leuchtendes Graphen
  M. Engel, R. Krupke
  Physik in Unserer Zeit 43 (2012) 268, 10.1002/piuz.201290095

• High-frequency performance of scaled carbon nanotube array field-effect transistors
  M. Steiner, M. Engel, Y.-M. Lin, Y. Wu, K. Jenkins, D. B. Farmer, J. J. Humes, N. L. Yoder, J.-W. T. Seo, A. A. Green, M. C. Hersam, R. Krupke, P. Avouris
  Appl. Phys. Lett. 101 (2012) 053123, 10.1063/1.4742325

• Carbon Nanotube-Silicon Solar Cells
  D. D. Tune, B. S. Flavel, R. Krupke, J. G. Shapter
  Adv. Energy Mater. 2 (2012) 1043-1055, 10.1002/aenm.201200249

• Spatially Resolved Electrostatic Potential and Photocurrent Generation in Carbon Nanotube Array Devices
  M. Engel, M. Steiner, R. Sundaram, R. Krupke, A. A. Green, M. C. Hersam, P. Avouris
  ACS Nano 6 (2012) 7303-7310, 10.1021/nn302416e

• Probing the Nature of Defects in Graphene by Raman Spectroscopy
  A. Eckmann, A. Felten, A. Mishchenko, L. Britnell, R. Krupke, K. S. Novoselov, C. Casiraghi
  Nano Letters 12 (2012) 3925-3930, 10.1021/nl300901a

• Light–matter interaction in a microcavity-controlled graphene transistor
  M. Engel, M. Steiner, A. Lombardo, A.C. Ferrari, H.v. Löhneysen, P. Avouris, R. Krupke
  Nature Communications 3 (2012) 906, 10.1038/ncomms1911

• Antenna-Enhanced Photocurrent Microscopy on Single-Walled Carbon Nanotubes at 30 nm Resolution
  N. Rauhut, M. Engel, M. Steiner, R. Krupke, P. Avouris, A. Hartschuh
  ACS Nano 6 (2012) 6416, 10.1021/nn301979c

• Anisotropic Organization and Microscopic Manipulation of Self-Assembling Synthetic Porphyrin Microrods That Mimic Chlorosomes: Bacterial Light-Harvesting Systems
  C. Chappaz-Gillot, P. L. Marek, B. J. Blaive, G. Canard, J. Bürck, G. Garab, H. Hahn, T. Jávorfi, L. Kelemen, R. Krupke, D. Mössinger, P. Ormos, C. M. Reddy, C. Roussel, G. Steinbach, M. Szabó, A. S. Ulrich, N. Vanthuyne, A. Vijayaraghavan, A. Zupcanova, T. S. Balaban
  J. Am. Chem. Soc. 134 (2012) 944-954, 10.1021/ja203838p

• Controlled fabrication of single-walled carbon nanotube electrodes by electron-beam-induced oxidation
  C. Thiele, M. Engel, F. Hennrich, M.M. Kappes, K.-P. Johnsen, C.G. Frase, H.v. Löhneysen, R. Krupke
  Appl. Phys. Lett. 99 (2011) 173105, 10.1063/1.3656736

• Electroluminescence from chirality-sorted (9,7)-semiconducting carbon nanotube devices
  M.H.P. Pfeiffer, N. Stürzl, C.W. Marquardt, M. Engel, S. Dehm, F. Hennrich, M.M. Kappes, U. Lemmer, R. Krupke
  Optics Express 19 (2011) A1184-A1189, 10.1364/OE.19.0A1184

• The Graphene–Gold Interface and Its Implications for Nanoelectronics
  R.S. Sundaram, M. Steiner, H.-Y. Chiu, M. Engel, A.A. Bol, R. Krupke, M. Burghard, K. Kern, P. Avouris
  Nano Letters 11 (2011) 3833–3837, 10.1021/nl201907u

• Imaging conduction pathways in carbon nanotube network transistors by voltage-contrast scanning electron microscopy
  A. Vijayaraghavan, M.Y. Timmermans, K. Grigoras, A.G. Nasibulin, E.I. Kauppinen, R. Krupke
  Nanotechnology 22 (2011) 265715, 10.1088/0957-4484/22/26/265715

• A Scalable, CMOS-Compatible Assembly of Ambipolar Semiconducting Single-Walled Carbon Nanotube devices
  M. Ganzhorn, A. Vijayaraghavan, A.A. Green, S. Dehm, A. Voigt, M. Rapp, M.C. Hersam, R. Krupke
  Advanced Materials 23 (2011) 1734–1738, 10.1002/adma.201004640

• Hydrogen Sensing with Diameter- and Chirality-Sorted Carbon Nanotubes
  M. Ganzhorn, A. Vijayaraghavan, S. Dehm, F. Hennrich, A.A. Green, M. Fichtner, A. Voigt, M. Rapp, H.v. Löhneysen, M.C. Hersam, M.M. Kappes, R. Krupke
  ACS Nano 5 (2011) 1670–1676, 10.1021/nn101992g

• Synthesis and Optical Properties of Molecular Rods Comprising a Central Core-Substituted Naphthalenediimide Chromophore for Carbon Nanotube Junctions
  S. Grunder, D.M. Torres, C.W. Marquardt, A. Blaszcyk, R. Krupke, M. Mayor
  Eur. J. Org. Chem. 2011 (2011) 478-496, 10.1002/ejoc.201001415

• The Polarized Carbon Nanotube Thin Film LED
  M. Kinoshita, M. Steiner, M. Engel, J. P. Small, A. A. Green, M. C. Hersam, R. Krupke, E. E. Mendez, P. Avouris
  Optics Express 18 (2010) 25738, 10.1364/OE.18.025738

• Electroluminescence from a single nanotube-molecule-nanotube junction
  C.W. Marquardt, S. Grunder, A. Blaszczyk, S. Dehm, F. Hennrich, H.v. Löhneysen, M. Mayor, R. Krupke
  Nature Nanotechnology 5 (2010) 863–867, 10.1038/nnano.2010.230

• Toward Single-Chirality Carbon Nanotube Device Arrays
  A. Vijayaraghavan, F.Hennrich, N. Stürzl, M. Engel, M. Ganzhorn, M. Oron-Carl, C.W. Marquardt, S.Dehm, S.Lebdkin, M.M.Kappes, R. Krupke
  ACS Nano 4 (2010) 2748–2754, 10.1021/nn100337t

• Phonon-Assisted Electroluminescence from Metallic Carbon Nanotubes and Graphene
  S.Essig, C.W.Marquardt, A.Vijayaraghavan, M.Ganzhorn, S.Dehm, F.Hennrich, F.Ou, A.A.Green, C.Sciascia, F.Bonaccorso, K.-P.Bohnen, H.v.Löhneysen, M.M.Kappes, P.M.Ajayan, M.C.Hersam, A.C.Ferrari, R.Krupke
  Nano Lett. 10 (2010) 1589–1594, 10.1021/nl9039795

• Ultraviolet photodetector arrays assembled by dielectrophoresis of ZnO nanoparticles
  W. Yan, N. Mechau, H. Hahn, R. Krupke
  Nanotechnology 21 (2010) 115501, 10.1088/0957-4484/21/11/115501

• Defect imaging in Single-Walled Carbon Nanotubes by Voltage-Contrast Scanning Electron Microscopy
  A. Vijayaraghavan, C.W. Marquardt, S. Dehm, F. Hennrich, R. Krupke
  Carbon 48 (2010) 494, 10.1016/j.carbon.2009.09.067

• Dielectrophoretic assembly of high-density arrays of individual graphene devices for rapid screening
  A. Vijayaraghavan, C. Calogero, S. Dehm, A. Lombardo, A. Bonetti, A. Ferrari, R. Krupke
  ACS Nano 7 (2009) 1729, 10.1021/nn900288d

• Silver nanowires growth via branch fragmentation of electrochemically grown silver dendrites
  J. Fang, H. Hahn, R. Krupke, F. Schramm, T. Scherer, B. Dinga, X. Song
  Chem. Commun. (2009) 1130, 10.1039/b819003h

• Shape-persistent macrocycles comprising perfluorinated benzene subunits: synthesis, aggregation behaviour and unexpected μ-rod formation
  L. Shu, M. Müri, R. Krupke, M. Mayor
  Org. Biomol. Chem. 7 (2009) 1081, 10.1039/b817274a

• Imaging Electronic Structure of Carbon Nanotubes by Voltage-Contrast Scanning Electron Microscopy
  A. Vijayaraghavan, S. Blatt, C.W. Marquardt, S. Dehm, R. Wahi, F. Hennrich, R. Krupke
  Nano Res. 1 (2008) 321, 10.1007/s12274-008-8034-3

• Reversible Metal-Insulator Transitions in Metallic Single-Walled Carbon Nanotubes
  C.W. Marquardt, S. Dehm, A. Vijayaraghavan, S. Blatt, F. Hennrich, R. Krupke
  Nano Lett. 8 (2008) 2767, 10.1021/nl801288d

• Raman spectroscopic evidence for hot phonon generation in electrically biased carbon nanotubes
  M. Oron-Carl, R.Krupke
  Phys. Rev. Lett. 100 (2008) 127401, 10.1103/PhysRevLett.100.127401

• Influence of Structural and Dielectric Anisotropy on the Dielectrophoresis of Single-Walled Carbon Nanotubes
  S. Blatt, F. Hennrich, H. v. Löhneysen, M. M. Kappes, A. Vijayaraghavan, R. Krupke
  Nano Lett. 7 (2007) 1960-1966, 10.1021/nl0706751

• Ultra-Large-Scale Directed Assembly of Single-Walled Carbon Nanotube Devices
  A. Vijayaraghavan, S. Blatt, D. Weissenberger, M. Oron-Carl, F. Hennrich, D. Gerthsen, H. Hahn, R. Krupke
  Nano Lett. 7 (2007) 1556-1560, 10.1021/nl0703727

• The Mechanism of Cavitation-Induced Scission of Single-Walled Carbon Nanotubes
  F. Hennrich, R.Krupke, K. Arnold, J. A. R. Rojas Stütz, S. Lebedkin, T. Koch, T. Schimmel, M. M. Kappes
  J. Phys. Chem. B 111 (2007) 1932 - 1937, 10.1021/jp065262n

• Probing dielectrophoretic force fields with metallic carbon nanotubes
  C.W. Marquardt, S. Blatt, F. Hennrich, H.v.Löhneysen, R. Krupke
  Appl. Phys. Lett. 89 (2006) 183117-183119, 10.1063/1.2372771

• Thin films of metallic carbon nanotubes prepared by dielectrophoresis
  R. Krupke, S. Linden, M. Rapp, F. Hennrich
  Adv. Mat. 18 (2006) 1468-1470, 10.1002/adma.200600134

• On the electron-phonon coupling of individual single-walled carbon nanotubes
  M. Oron-Carl, F. Hennrich, M. M. Kappes, H. v. Löhneysen, R.Krupke
  Nano Lett. 5 (2005) 1761-1767; 10.1021/nl051107t

• Comment on “Using the selective functionalization of metallic single-walled carbon nanotubes to control dielectrophoretic mobility”
  R. Krupke, F. Hennrich
  J. Phys. Chem. B 109 (2005) 17014-17015; 10.1021/jp0447035

• Separation techniques for carbon nanotubes
  R. Krupke, F. Hennrich
  Adv. Eng. Mat. 7 (2005) 111-116; 10.1002/adem.200400170

• Surface conductance of induced dielectrophoresis of semiconducting single-walled carbon nanotubes
  R. Krupke, F. Hennrich, M. M. Kappes, H. v. Löhneysen
  Nano Lett. 4 (2004) 1395-1399; 10.1021/nl0493794

• Separation of metallic from semiconducting single-walled carbon nanotubes
  R. Krupke, F. Hennrich, H. v. Löhneysen, M. M. Kappes
  Science 301 (2003) 344-347; 10.1126/science.1086534

• Simultaneous deposition of metallic bundles of single-walled carbon nanotubes using ac-dielectrophoresis
  R. Krupke, F. Hennrich, H. B. Weber, M. M. Kappes, H. v. Löhneysen
  Nano Lett. 3 (2003) 1019-1023; 10.1021/nl0342343

• Near infrared absorbance of single-walled carbon nanotubes dispersed in dimethylformamide
  R. Krupke, F. Hennrich, O. Hampe, M. M. Kappes
  J. Phys. Chem. B 107(24) (2003) 5667-5669; 10.1021/jp034077w

• Contacting single bundles of carbon nanotubes with alternating electric fields
  R. Krupke, H. Weber, F. Hennrich, S. Malik, O. Hampe, M. Kappes, H. v. Löhneysen
  Appl. Phys. A 76 (2003) 397-400; 10.1007/s00339-002-1592-4

• Patterning and visualizing self-assembled monolayers with low-energy electrons
  R. Krupke, S. Malik, H. B. Weber, O. Hampe, M. M. Kappes, H. v. Löhneysen
  Nano Lett. 2(10) (2002) 1161-1164; 10.1021/nl025679e

• Determination of the superconducting gap in Y1Ba2Cu3O7-d by tunneling experiments under magnetic fields
  Y. Dagan, R. Krupke, G. Deutscher
  Phys. Rev. B 62 (2000) 146-149; 10.1103/PhysRevB.62.146

• [110] tunneling under applied magnetic fields into Y1Ba2Cu3O7-d: Possible evidence for a field-induced idxy gap component
  Y. Dagan, R. Krupke, G. Deutscher
  Europhys. Lett. 51 (2000) 116-121; 10.1209/epl/i2000-00343-4

• Field induced and spontaneous sub-gap in [110] and [100] oriented YBCO films: indication for a dx2-y2 + idxy order parameter
  G. Deutscher, Y. Dagan, A. Kohen, R. Krupke
  Physica C 341-348 (2000) 1629-1632; 10.1016/S0921-4534(00)01488-X

• Anisotropic Magnetic Field Dependence of the Zero-Bias Anomaly on In-Plane Oriented [100] Y1Ba2Cu3O7-x/In Tunnel Junctions
  R. Krupke, G. Deutscher
  Phys. Rev. Lett. 83 (1999) 4634-4637; 10.1103/PhysRevLett.83.4634

• Spontaneous and field enhanced sub-gaps in in-plane oriented (100)-Y1-XCaXBa2Cu3O7-Y/In tunnel junctions
  R.Krupke, G.Deutscher
  J. Low Temp. Phys. 117 (1999) 533; 10.1023/A:1022527329560

• A systematic approach to reduce macroscopic defects in c-axis-oriented YBCO films
  R. Krupke, G. Deutscher
  Physica C 317-318 (1999) 536-539; 10.1016/S0921-4534(99)00119-7

• A systematic approach to reduce macroscopic defects in c-axis-oriented YBCO films
  R. Krupke, Z. Barkay, G. Deutscher
  Physica C 315 (1999) 99-106; 10.1016/S0921-4534(99)00199-9

• On the origin of hole formation in YBCO films
  R. Krupke, Z. Barkay, G. Deutscher
  Physica C 289 (1997) 146-150; 10.1016/S0921-4534(97)01473-1

• Superconducting, Structural and Surface Properties of GdBaCuO Thin Films Deposited by Electron Cyclotron Resonance Supported Sputtering
  R. Krupke, G. Ulmer, R. Schneider, M. Kurzmeier, G. Linker, J. Geerk
  Physica C 279 (1997) 153-168; 10.1016/S0921-4534(97)00120-2

Book chapters

• Chemistry of Carbon Nanotubes (edited by V.A. Basiuk and E.V. Basiuk)
  Chapter: Separation techniques for carbon nanotubes; R. Krupke, F. Hennrich
  American Scientific Publishers 2008
  ISBN: 978-1-58883-128-0

• Second-Generation HTS Conductors (edited by Amit Goyal)
  Chapter 7: Sputtering of Y₁Ba₂Cu₃O_7-X; R. Krupke, M.Azoulay,G. Deutscher
  Kluwer Academic Publishers 2005
  ISBN: 978-1-4020-8117-0
  DOI: 10.1007/0-387-25839-6_7

Theses

• Untersuchung der elektronenstrahinduzierten Leitwertsänderung in einwandigen metallischen Kohlenstoffnanoröhren
  F. Haas, Diploma thesis (2010)

• Wasserstoffdetektion mit einwandigen halbleitenden Kohlenstoffnanoröhren
  M. Ganzhorn, Diploma thesis (2009)

• Elektrolumineszenz organischer Moleküle nach Kontaktierung mit Kohlenstoff-Nanoröhren
  C.W. Marquardt, Ph.D.-thesis (2009)

• Elektrolumineszenz von metallischen Kohlenstoffnanoröhren
  S. Essig, Diploma thesis (2009)

• Dielectrophoresis of Single-Walled Carbon Nanotubes
  S. Blatt, Ph.D.-thesis (2008)

• Leitfähigkeit von Bündeln metallischer Kohlenstoff-Nanoröhren
  I. Klugius, Diploma thesis (2007)

• Electron-Phonon Coupling in Single-Walled Carbon Nanotubes
  M. Oron-Carl, Ph.D.-thesis (2006)

• Transporteigenschaften von Bündeln metallischer Kohlenstoff-Nanoröhren
  C. W. Marquardt, Diploma thesis (2006)

• Zur kontrollierten Kontaktierung von einwandigen Kohlenstoff-Nanoröhren
  D. Secker, Diploma thesis (2003)

• Evidence for a Complex Order Parameter on the Surface of (100)-In-plane Oriented Y1-XCaXBa2Cu3O7-Y Superconducting Thin Films From Tunneling Experiments
  R. Krupke, Ph.D.-thesis (1999)

• Präparation von 123-Filmen durch Kathodenzerstäubung im ECR-Plasma
  R. Krupke, Diploma thesis (1994)