%0 Journal Article %T Efficient Terahertz detection in black-phosphorus nano-transistors with selective and controllable plasma-wave, bolometric and thermoelectric response. %+ Laboratoire Charles Coulomb (L2C) %A Viti, Leonardo %A Hu, Jin %A Coquillat, Dominique %A Politano, Antonio %A Knap, Wojciech %A Vitiello, Miriam S. %< avec comité de lecture %Z L2C:16-015 %@ 2045-2322 %J Scientific Reports %I Nature Publishing Group %V 6 %P 20474 %8 2016-02-05 %D 2016 %R 10.1038/srep20474 %M 26847823 %Z Physics [physics]/Physics [physics]/General Physics [physics.gen-ph]Journal articles %X The ability to convert light into an electrical signal with high efficiencies and controllable dynamics, is a major need in photonics and optoelectronics. In the Terahertz (THz) frequency range, with its exceptional application possibilities in high data rate wireless communications, security, night-vision, biomedical or video-imaging and gas sensing, detection technologies providing efficiency and sensitivity performances that can be "engineered" from scratch, remain elusive. Here, by exploiting the inherent electrical and thermal in-plane anisotropy of a flexible thin flake of black-phosphorus (BP), we devise plasma-wave, thermoelectric and bolometric nano-detectors with a selective, switchable and controllable operating mechanism. All devices operates at room-temperature and are integrated on-chip with planar nanoantennas, which provide remarkable efficiencies through light-harvesting in the strongly sub-wavelength device channel. The achieved selective detection (∼5-8 V/W responsivity) and sensitivity performances (signal-to-noise ratio of 500), are here exploited to demonstrate the first concrete application of a phosphorus-based active THz device, for pharmaceutical and quality control imaging of macroscopic samples, in real-time and in a realistic setting. %G English %2 https://hal.science/hal-01280193/document %2 https://hal.science/hal-01280193/file/srep20474.pdf %L hal-01280193 %U https://hal.science/hal-01280193 %~ CNRS %~ L2C %~ MIPS %~ UNIV-MONTPELLIER %~ UM-2015-2021