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Title: Tunable electronic correlation effects in nanotube-light interactions

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2];  [3];  [4];  [4];  [5];  [6];  [7];  [8];  [3];  [3];  [3]
  1. Kyoto Univ. (Japan); Nagoya Univ. (Japan); Columbia Univ., New York, NY (United States)
  2. Columbia Univ., New York, NY (United States); SanDisk, Milpitas, CA (United States)
  3. Columbia Univ., New York, NY (United States)
  4. Hokkaido Univ., Sapporo (Japan)
  5. IBM, Yorktown Heights, NY (United States). Thomas J. Watson Research Center; Skolkovo Inst. of Science and Technology (Russia)
  6. Univ. of Utah, Salt Lake City, UT (United States); Columbia Univ., New York, NY (United States)
  7. Columbia Univ., New York, NY (United States); National Center for Nanoscience and Technology, Beijing (China)
  8. National Centre for Scientific Research (CNRS), Strasbourg (France)

Electronic many-body correlation effects in one-dimensional (1D) systems such as carbon nanotubes have been predicted to strongly modify the nature of photoexcited states. In this work we directly probe this effect using broadband elastic light scattering from individual suspended carbon nanotubes under electrostatic gating conditions. We observe significant shifts in optical transition energies, as well as line broadening, as the carrier density is increased. These effects demonstrate the role of screening of many-body electronic interactions on the different length scales, a feature inherent to quasi-1D systems. Our findings further demonstrate the possibility of electrical tuning of optical transitions and provide a basis for understanding of various optical phenomena in carbon nanotubes and other quasi-1D systems in the presence of charge carrier doping.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Re-Defining Photovoltaic Efficiency Through Molecule Scale Control (RPEMSC)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
Grant/Contract Number:
SC0001085; DMR-1106225
OSTI ID:
1370391
Alternate ID(s):
OSTI ID: 1225131
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 92, Issue 20; Related Information: RPEMSC partners with Columbia University (lead); Brookhaven National Laboratory; Purdue University; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 11 works
Citation information provided by
Web of Science

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Cited By (4)

Ultra-narrow-band near-infrared thermal exciton radiation in intrinsic one-dimensional semiconductors journal August 2018
Strength of carbon nanotubes depends on their chemical structures journal July 2019
Wavelength-dependent photoconductivity of single-walled carbon nanotube layers journal January 2019
Curvature effect on polarization of light emitted from chiral carbon nanotubes journal January 2017