Ralph Krupke mainly investigates Carbon nanotube, Nanotechnology, Optoelectronics, Photonics and Nanotube. His studies in Carbon nanotube integrate themes in fields like Dielectrophoresis and Raman spectroscopy. The concepts of his Raman spectroscopy study are interwoven with issues in Graphite and Intensity ratio.
Ralph Krupke interconnects Carbon nanotube field-effect transistor and Carbon nanotubes in photovoltaics in the investigation of issues within Nanotechnology. His work on Nanophotonics as part of general Optoelectronics study is frequently linked to Trapping, therefore connecting diverse disciplines of science. His work in Composite material addresses subjects such as Alternating current, which are connected to disciplines such as Deposition, Electric field gradient and Dielectric.
Ralph Krupke mostly deals with Carbon nanotube, Nanotechnology, Optoelectronics, Graphene and Nanotube. His work deals with themes such as Photoluminescence, Raman spectroscopy, Analytical chemistry and Dielectrophoresis, which intersect with Carbon nanotube. His work in the fields of Nanotechnology, such as Nanoscopic scale, Nanoelectronics and Carbon nanotube quantum dot, overlaps with other areas such as Electronics.
As part of one scientific family, he deals mainly with the area of Optoelectronics, narrowing it down to issues related to the Electroluminescence, and often Exciton. Ralph Krupke has included themes like Condensed matter physics, Dielectric and Nanocrystalline material in his Graphene study. His Nanotube research is multidisciplinary, relying on both Field-effect transistor, Thin film, Absorption, Polymer and Absorption spectroscopy.
Ralph Krupke spends much of his time researching Carbon nanotube, Graphene, Optoelectronics, Nanotechnology and Exciton. He studies Carbon nanotube, namely Nanotube. His work carried out in the field of Graphene brings together such families of science as Superconductivity, Condensed matter physics, Dielectric and Titanium oxide.
His study in the fields of Silicon and Photocurrent under the domain of Optoelectronics overlaps with other disciplines such as Waveguide. His study in Nanotechnology is interdisciplinary in nature, drawing from both Deposition, Dielectrophoresis and X-ray photoelectron spectroscopy. Ralph Krupke has researched Exciton in several fields, including Resonance, Electroluminescence, Molecular physics and Phonon, Phonon scattering.
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Separation of Metallic from Semiconducting Single-Walled Carbon Nanotubes
Ralph Krupke;Frank Hennrich;Hilbert v. Löhneysen;Manfred M. Kappes.
Probing the Nature of Defects in Graphene by Raman Spectroscopy
Axel Eckmann;Alexandre Felten;Artem Mishchenko;Liam Britnell.
Nano Letters (2012)
Electroluminescence in Single Layer MoS2
R. S. Sundaram;M. Engel;A. Lombardo;R. Krupke.
Nano Letters (2013)
Simultaneous Deposition of Metallic Bundles of Single-walled Carbon Nanotubes Using Ac-dielectrophoresis
Ralph Krupke;Frank Hennrich;H. B. Weber;Manfred M. Kappes.
Nano Letters (2003)
Ultra-large-scale directed assembly of single-walled carbon nanotube devices
Aravind Vijayaraghavan;Sabine Blatt;Daniel Weissenberger;Matti Oron-Carl.
Nano Letters (2007)
Light–matter interaction in a microcavity-controlled graphene transistor
Michael Engel;Mathias Steiner;Antonio Lombardo;Andrea C. Ferrari.
Nature Communications (2012)
Surface Conductance Induced Dielectrophoresis of Semiconducting Single-Walled Carbon Nanotubes
Ralph Krupke;Frank Hennrich;Manfred M. Kappes;Hilbert von Löhneysen.
Nano Letters (2004)
The mechanism of cavitation-induced scission of single-walled carbon nanotubes.
Frank Hennrich;Ralph Krupke;Katharina Arnold;Jan A. Rojas Stutz.
Journal of Physical Chemistry B (2007)
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.
Nature Photonics (2016)
Thin Films of Metallic Carbon Nanotubes Prepared by Dielectrophoresis
Ralph Krupke;Stefan Linden;Michael Rapp;Frank Hennrich.
Advanced Materials (2006)
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