Now showing items 1-4 of 4

  • Competing Ultrafast Energy Relaxation Pathways in Photoexcited Graphene 

    Jensen, S. A.; Mics, Z.; Ivanov, I.; Varol, H. S.; Turchinovich, D.; Bonn, M.; Tielrooij, K. J. (ACS Publications, 2014-09-23)
    Article
    Open Access
  • Electrical control of optical emitter relaxation pathways enabled by graphene 

    Tielrooij, K. J.; Orona, L.; Ferrier, A.; Badioli, M.; Navickaite, G.; Coop, S.; Nanot, S.; Kalinic, B.; Cesca, T.; Gaudreau, L.; Ma, Q.; Centeno, A.; Pesquera, A.; Zurutuza, A.; Riedmatten, H. de; Goldner, P.; García de Abajo, Francisco Javier; Jarillo-Herrero, P.; Koppens, Frank H. L. (Nature Publishing Group, 2015-01-19)
    Article
    Open Access
    Controlling the energy flow processes and the associated energy relaxation rates of a light emitter is of fundamental interest and has many applications in the fields of quantum optics, photovoltaics, photodetection, ...
  • Generation of photovoltage in graphene on a femtosecond timescale through efficient carrier heating 

    Tielrooij, K. J.; Piatkowski, L.; Massicotte, M.; Woessner, Achim; Ma, Q.; Lee, Y.; Myhro, K. S.; Lau, C. N.; Jarillo-Herrero, P.; Hulst, N. F. van; Koppens, F. H. L. (Nature, 2015-04-13)
    Article
    Open Access
    Graphene is a promising material for ultrafast and broadband photodetection. Earlier studies have addressed the general operation of graphene-based photothermoelectric devices and the switching speed, which is limited by ...
  • Hot-carrier photocurrent effects at graphene–metal interfaces 

    Tielrooij, K. J.; Massicotte, M.; Piatkowski, L.; Woessner, Achim; Ma, Q.; Jarillo-Herrero, P.; Hulst, N. F. van; Koppens, F. H. L. (IOP, 2015-03-02)
    Article
    Open Access
    Photoexcitation of graphene leads to an interesting sequence of phenomena, some of which can be exploited in optoelectronic devices based on graphene. In particular, the efficient and ultrafast generation of an electron ...