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Terahertz and mid-infrared plasmons in three-dimensional nanoporous graphene

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms14885· OSTI ID:1623883
 [1];  [2];  [2];  [2];  [3];  [3];  [4];  [5];  [6];  [7]
  1. Universita` di Roma La Sapienz, Roma (Italy). Ins. Italiano di Tecnoolgia and Dept. di Fisica; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS); DOE/OSTI
  2. Universita` di Roma La Sapienz, Roma (Italy). Dept. of Physics. INFN
  3. National Inst. of Nuclear Physics (INFN), Frascati (Italy). National Lab. of Frascati (INFN-LNF)
  4. Helmholtz-Zentrum Berlin fur Materialien und Energie GmbH, Berlin (Germany). Methoden der Materialentwicklung
  5. Tohoku Univ., Sendai (Japan). WPI-Advanced Inst. for Materials Research
  6. Tohoku Univ., Sendai (Japan). WPI-Advanced Inst. for Materials Research; Shanghai Jiao Tong Univ. (China). School of Materials Science and Engineering; CREST, Saitama (Japan). Japan Science and Technology Agency
  7. University of Rome La Sapienza, Rome (Italy). CNR-IOM. Dept. of Physics

Two-dimensional (2D) graphene emerged as an outstanding material for plasmonic and photonic applications due to its charge-density tunability, high electron mobility, optical transparency and mechanical flexibility. Recently, novel fabrication processes have realised a three-dimensional (3D) nanoporous configuration of high-quality monolayer graphene which provides a third dimension to this material. In this work, we investigate the optical behaviour of nanoporous graphene by means of terahertz and infrared spectroscopy. We reveal the presence of intrinsic 2D Dirac plasmons in 3D nanoporous graphene disclosing strong plasmonic absorptions tunable from terahertz to mid-infrared via controllable doping level and porosity. In the far-field the spectral width of these absorptions is large enough to cover most of the mid-Infrared fingerprint region with a single plasmon excitation. The enhanced surface area of nanoporous structures combined with their broad band plasmon absorption could pave the way for novel and competitive nanoporous-graphene based plasmonic-sensors.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1623883
Journal Information:
Nature Communications, Journal Name: Nature Communications Journal Issue: 1 Vol. 8; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (15)

Two-Dimensional Hallmark of Highly Interconnected Three-Dimensional Nanoporous Graphene journal July 2017
Resonant plasma excitation by single-cycle THz pulses journal January 2018
Hierarchical nanoporous metals as a path toward the ultimate three-dimensional functionality journal October 2017
A DFT Study on the Adsorption of H2S and SO2 on Ni Doped MoS2 Monolayer journal August 2018
Nanomaterial-Based Plasmon-Enhanced Infrared Spectroscopy journal March 2018
Graphene-Based Smart Platforms for Combined Cancer Therapy journal July 2018
Polymeric Graphene Bulk Materials with a 3D Cross-Linked Monolithic Graphene Network journal August 2018
Damage‐Free Solar Dewatering of Micro‐Algal Concentrates via Multifunctional Hierarchical Porous Graphene journal June 2019
All carbon materials pn diode journal September 2018
Three-dimensional porous graphene networks expand graphene-based electronic device applications journal January 2018
Plasmonic resonances in hybrid systems of aluminum nanostructured arrays and few layer graphene within the UV–IR spectral range journal October 2017
Giant effective charges and piezoelectricity in gapped graphene journal July 2019
Beam-based sub-THz source at the CERN linac electron accelerator for research facility journal February 2019
Terahertz-based retrieval of the spectral phase and amplitude of ultrashort laser pulses journal January 2018
Three-dimensional porous graphene networks expand graphene-based electronic device applications text January 2018

Figures / Tables (5)


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