World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
47
Citations
13710
World Ranking
10984
National Ranking
610

Overview

Ralph Krupke is affiliated with the Karlsruhe Institute of Technology in Germany. Their research spans several areas within materials science, engineering, and physics and astronomy, with a particular focus on materials chemistry, electrical and electronic engineering, and atomic and molecular physics and optics.

Their work covers a range of topics, including:

  • Carbon Nanotubes in Composites
  • Graphene Research and Applications
  • Mechanical and Optical Resonators
  • Molecular Junctions and Nanostructures
  • Photonic and Optical Devices
  • 2D Materials and Applications
  • Photonic Crystals and Applications

Ralph Krupke has published multiple papers in significant scientific venues. Some recent publications include:

  • "Raman Fingerprints of Graphene Produced by Anodic Electrochemical Exfoliation," 2020, Nano Letters
  • "Sensing Molecules with Metal-Organic Framework Functionalized Graphene Transistors," 2021, Advanced Materials
  • "Electroluminescence from Single-Walled Carbon Nanotubes with Quantum Defects," 2022, ACS Nano
  • "Principles of Carbon Nanotube Dielectrophoresis," 2021, Nano Research
  • "Low-Temperature Electroluminescence Excitation Mapping of Excitons and Trions in Short-Channel Monochiral Carbon Nanotube Devices," 2020, ACS Nano

Frequent publication venues for their work include:

  • ACS Nano
  • ECS Meeting Abstracts
  • Nano Research
  • Conference on Lasers and Electro-Optics
  • Nano Letters

Collaborative work is prominent in their career, often co-authoring with several researchers. Frequent co-authors include:

  • Simone Dehm
  • Frank Hennrich
  • Sandeep Kumar
  • Manfred M. Kappes
  • Min-Ken Li

Ralph Krupke's scholarly output integrates multidisciplinary approaches spanning engineering and the physical sciences, with contributions influential in understanding nanoscale materials and their optical and electronic properties.

Best Publications

  • Probing the Nature of Defects in Graphene by Raman Spectroscopy

    Axel Eckmann;Alexandre Felten;Alexandre Felten;Artem Mishchenko;Liam Britnell

  • Separation of Metallic from Semiconducting Single-Walled Carbon Nanotubes

    Ralph Krupke;Frank Hennrich;Hilbert v. Löhneysen;Manfred M. Kappes

  • Electroluminescence in Single Layer MoS2

    R. S. Sundaram;M. Engel;A. Lombardo;R. Krupke;R. Krupke

  • Simultaneous Deposition of Metallic Bundles of Single-walled Carbon Nanotubes Using Ac-dielectrophoresis

    Ralph Krupke;Frank Hennrich;H. B. Weber;Manfred M. Kappes

  • Light–matter interaction in a microcavity-controlled graphene transistor

    Michael Engel;Mathias Steiner;Antonio Lombardo;Andrea C. Ferrari

  • Ultra-large-scale directed assembly of single-walled carbon nanotube devices

    Aravind Vijayaraghavan;Sabine Blatt;Daniel Weissenberger;Matti Oron-Carl

  • Surface Conductance Induced Dielectrophoresis of Semiconducting Single-Walled Carbon Nanotubes

    Ralph Krupke;Frank Hennrich;Manfred M. Kappes;Hilbert von Löhneysen

  • The mechanism of cavitation-induced scission of single-walled carbon nanotubes.

    Frank Hennrich;Ralph Krupke;Katharina Arnold;Jan A Rojas Stütz

  • Carbon nanotubes as emerging quantum-light sources

    X. He;H. Htoon;S. K. Doorn;W. H. P. Pernice

  • Fully integrated quantum photonic circuit with an electrically driven light source

    Svetlana Khasminskaya;Felix Pyatkov;Felix Pyatkov;Karolina Słowik;Karolina Słowik;Simone Ferrari;Simone Ferrari

  • Thin Films of Metallic Carbon Nanotubes Prepared by Dielectrophoresis

    Ralph Krupke;Stefan Linden;Michael Rapp;Frank Hennrich

  • Raman spectroscopy of individual single-walled carbon nanotubes from various sources.

    Frank Hennrich;Ralph Krupke;Sergei Lebedkin;Katharina Arnold

  • Contacting single bundles of carbon nanotubes with alternating electric fields

    Ralph Krupke;Frank Hennrich;H. B. Weber;D. Beckmann

  • Carbon Nanotube-Silicon Solar Cells

    Daniel D. Tune;Benjamin S. Flavel;Ralph Krupke;Ralph Krupke;Joseph G. Shapter

  • Electroluminescence from a single nanotube-molecule-nanotube junction

    Christoph W. Marquardt;Sergio Grunder;Alfred Błaszczyk;Alfred Błaszczyk;Simone Dehm

  • Anisotropic Magnetic Field Dependence of the Zero-Bias Anomaly on In-Plane Oriented [100] Y 1 Ba 2 Cu 3 O 7-x /In Tunnel Junctions

    Ralph Krupke;G. Deutscher

  • Cavity-enhanced light emission from electrically driven carbon nanotubes

    Felix Pyatkov;Felix Pyatkov;Valentin Fütterling;Svetlana Khasminskaya;Benjamin S. Flavel

  • Separation of single-walled carbon nanotubes by 1-dodecanol-mediated size-exclusion chromatography.

    Benjamin S. Flavel;Manfred M. Kappes;Ralph Krupke;Ralph Krupke;Frank Hennrich

  • The Graphene-Gold Interface and Its Implications for Nanoelectronics

    Ravi S. Sundaram;Mathias Steiner;Hsin-Ying Chiu;Michael Engel

  • High-frequency performance of scaled carbon nanotube array field-effect transistors

    Mathias Steiner;Michael Engel;Yu Ming Lin;Yanqing Wu

  • Light-matter interaction in a microcavity-controlled graphene transistor

    Ralph Krupke;Michael Engel;Mathias Steiner;Antonio Lombardo

Frequent Co-Authors

Frank Hennrich
Frank Hennrich Karlsruhe Institute of Technology
Manfred M. Kappes
Manfred M. Kappes Karlsruhe Institute of Technology
Aravind Vijayaraghavan
Aravind Vijayaraghavan University of Manchester
Hilbert von Löhneysen
Hilbert von Löhneysen Karlsruhe Institute of Technology
Phaedon Avouris
Phaedon Avouris IBM (United States)
Wolfram H. P. Pernice
Wolfram H. P. Pernice University of Münster
Mark C. Hersam
Mark C. Hersam Northwestern University
Alexandre Felten
Alexandre Felten University of Namur
Cinzia Casiraghi
Cinzia Casiraghi University of Manchester
Andrea C. Ferrari
Andrea C. Ferrari University of Cambridge

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Ralph Krupke

Trending Scientists

Recently Published Articles