Nano Research

, Volume 8, Issue 9, pp 2800–2809 | Cite as

All-carbon nanotube diode and solar cell statistically formed from macroscopic network

  • Albert G. Nasibulin
  • Adinath M. Funde
  • Ilya V. Anoshkin
  • Igor A. Levitsky
Research Article


Schottky diodes and solar cells are statistically created in the contact area between two macroscopic films of single-walled carbon nanotubes (SWNTs) at the junction of semiconducting and quasi-metallic bundles consisting of several high quality tubes. The n-doping of one of the films allows for photovoltaic action, owing to an increase in the built-in potential at the bundle-to-bundle interface. Statistical analysis demonstrates that the Schottky barrier device contributes significantly to the I-V characteristics, compared to the p-n diode. The upper limit of photovoltaic conversion efficiency has been estimated at ∼20%, demonstrating that the light energy conversion is very efficient for such a unique solar cell. While there have been multiple studies on rectifying SWNT diodes in the nanoscale environment, this is the first report of a macroscopic all-carbon nanotube diode and solar cell.


all-carbon nanotube solar cell Schottky diode carbon nanotube diode carbon nanotube bundles 


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Supplementary material

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Copyright information

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Skolkovo Institute of Science and TechnologyMoscow RegionRussia
  2. 2.Department of Material ScienceSaint-Petersburg State Polytechnical UniversitySaint-PetersburgRussia
  3. 3.Department of Applied PhysicsAalto University School of ScienceEspooFinland
  4. 4.School of Energy StudiesSavitribai Phule Pune UniversityGaneshkhindIndia
  5. 5.Department of ChemistryUniversity of RhodeIslandUSA
  6. 6.Emitech, Inc.Fall RiverUSA

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