639 citations · 1.4k across the 5 of their papers we have counts for
5 papers
Large and tunable photo-thermoelectric effect in single-layer MoS2
Michele Buscema, Maria Barkelid, Val Zwiller +3
We study the photoresponse of single-layer MoS2 field-effect transistors by scanning photocurrent microscopy. We find that, unlike in many other semiconductors, the photocurrent ge…
Fast and efficient photodetection in nanoscale quantum-dot junctions
Ferry Prins, Michele Buscema, Johannes S. Seldenthuis +8
We report on a photodetector in which colloidal quantum-dots directly bridge nanometer-spaced electrodes. Unlike in conventional quantum-dot thin film photodetectors, charge mobili…
Laser-thinning of MoS2: on demand generation of a single-layer semiconductor
Andres Castellanos-Gomez, Maria Barkelid, Stijn M. Goossens +3
Single-layer MoS2 is an attractive semiconducting analogue of graphene that combines high mechanical flexibility with a large direct bandgap of 1.8 eV. On the other hand, bulk MoS2…
Imaging the formation of a p-n junction in a suspended carbon nanotube with scanning photocurrent microscopy
Gilles Buchs, Maria Barkelid, Salvatore Bagiante +2
We use scanning photocurrent microscopy (SPCM) to investigate individual suspended semiconducting carbon nanotube devices where the potential profile is engineered by means of loca…
Single photon emission and detection at the nanoscale utilizing semiconductor nanowires
Michael E. Reimer, Maarten P. van Kouwen, Maria Barkelid +9
We report recent progress toward on-chip single photon emission and detection in the near infrared utilizing semiconductor nanowires. Our single photon emitter is based on a single…