Nanocarbon

The Nanocarbon group develops methods and tools for fabrication, transfer, characterisation and applications of graphene, as well as other two-dimensional materials, and is headed by Professor Peter Bøggild. 

Research

Material. We would like to contribute to establishing wafer-scale fabrication of high quality mechanical, electronic and optical graphene devices with control of quality, consistency and yield comparable to other commercial device materials (IV, III-V materials). Contrary to the impression given by news stories and published research, we are still far from reaching a state where graphene is an off-the-shelf material, yet this is a prerequisite for establishing a graphene-based industry. Boiled down to a single sentence the goal is to make graphene with same quality as today’s rare, expensive and variable high-end graphene, available on any wafer-scale, with predictable and traceable properties. Reaching this goal will put us in a perfect position to develop novel research as well as commercial graphene-based devices, in the way we do today with polymer, IV and III-V materials, and it will make it more feasible than ever to benefit from graphene technology for the many high-tech companies in the region, as well as play a strong role in future graphene collaborations. Another highly interesting application of high quality graphene film is to use the chemical inertness and strength to form protective coatings on for instance steels to reduce corrosion and wear. This is being pursued in the research alliance DAGATE.

Characterisation. We develop groundbreaking methods for analysing graphene and other 2D structures. In terms of large area graphene, we combine micro four point probes (in collaboration with CAPRES), THz spectroscopy (in collaboration with Prof. P. U. Jepsen from DTU Fotonik) with micro-Raman spectroscopy and our patented Graphene Hunter technology, allowing the same graphene wafer to be mapped in several highly complementary ways. Seeking more solid standards, we use microfabrication to create consistent chip-based measurement platforms for Raman spectroscopy, TEM and electrical measurements of the same devices. Our goal is to contribute in making graphene characterisations standardised and useful.

Functions. The engineering of graphene on the atomic scale has been studied intensively using theoretical modelling intensely for a decade, and the predictions of possible future devices is extremely stimulating. We take on the challenge to carry out nanoengineering of graphene in practice, and study the possibilities of patterning, shaping, folding and modulating graphene directly or indirectly, to tune the properties in interesting application-oriented ways. One such endeavour is the introduction of a bandgap in graphene via nanopatterning, which is one of the core topics of the basic research center CNG - Centre for Nanostructured Graphene as well as our role in the FET Graphene Flagship. We are interested in enhancing chemical sensitivity at ridges and folds using controlled bending, enhancing chemical gas sensing response through nanopatterning and disorder control, creating new types of electronic devices using room temperature ballistic transport, manipulating graphene's electronic properties through bending and folding of graphene.

Collaborations

The Nanocarbon group is involved in major national and international collaborations, including 

  • Research alliance DA-GATE (Danish Alliance for Graphene Application Technology and Engineering), led by Professor Peter Bøggild, DTU Nanotech, funded by the Danish Strategic Research Council.
  • Centre of Excellence CNG - Centre for Nanostructured Graphene, led by Prof. Antti-Pekka Jauho, DTU Nanotech, funded by the Danish National Research Foundation
  • Research platform NIAGRA, led by Prof. Liv Hornekær, funded by the Danish High Technology Research Foundation 
  • FET Graphene Flagship, led by Prof. Jari Kinaret, Chalmers University
  • Integrated project FP7-GLADIATOR, led by Dr. Beatrice Beyer, Fraunhofer Institute, funded by the FP7 Framework programme
  • Integrated project FP7-GRAFOL, led by Prof. John Robertson, Cambridge University, funded by the FP7 Framework programme

We are convinced that the significant challenges for graphene science technology can be more effectively adressed by powerful collaborations rather than individuals. Our projects span the range from the basic research center of excellence CNG - Centre of Nanostructured Graphene,  which is focusing on exploring the possibilities for tuning graphenes properties through nanopatterning and nanomodulation to the the application-oriented research alliance DAGATE, which among others seek to develop anti-corrosive protection for stainless steel in harsh environments.  

Facilities

We rely heavily on the state of the art facitilies at DTU, including the 1300 m2 cleanroom in DTU Danchip department.  In DTU Danchip the group has access to an Aixtron Black Magic cold wall CVD system, a JEOL JBX 9500 state of the art electron beam writer (100 keV, 4 nm spotsize) as well as all the characterisation and fabrication equipment we can dream of. In our own lab we have a new Annealsys ONE CVD system for graphene growth, a thermo-fisher micro Raman system,  a 70K-500K gas rig with electrical connections that fits under the Raman microscope, a dedicate motorised Nikon optical microscope for quantitative large-area mapping and identification of graphene as well as an Oxford Cryogenfree 12T Magnet with a base temperature of 12T. Finally, the amazing electron microscopy facilities at DTU Cen, includes the unique Titan Environmental Transmission Electron Microscope, which allows real-time chemistry to be imaged with atomic resolution at high temperature and low pressures. The Titan ETEM is equipped with a monochromator and Cs corrector and can image with a resolution below 0.8Å. Apart from that the analytical Titan TEM can do chemical analysis with a high spatial resolution.

Group

We are strongly teambased, friendly and dedicated. A healthy balance between personal, social and work life keeps the motivation up, and we believe that we together can achieve more than individually. 

Positions

Keep an eye out on the DTU Nanotech homepage for open positions. 

Master students and internships

We are also interested in hearing from talented students interested in doing a M.Sc. European citizens do not pay tuition fees, and there are exchange programmes with many universities around the world. If in doubt, ask. For non-european citizens, the tuition fee is around 8000 Euro/year (unfortunately), on top of which comes living costs. 

Projects (link will be updated shortly):



http://www.nanotech.dtu.dk/research-mega/forskningsgrupper/nanocarbon
26 SEPTEMBER 2017