Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene

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Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene. / Liao, Yongping; Mustonen, Kimmo; Tulić, Semir; Skákalová, Viera; Khan, Sabbir A.; Laiho, Patrik; Zhang, Qiang; Li, Changfeng; Monazam, Mohammad R.A.; Kotakoski, Jani; Lipsanen, Harri; Kauppinen, Esko I.

In: ACS Nano, Vol. 13, No. 10, 09.09.2019, p. 11522-11529.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Liao, Y, Mustonen, K, Tulić, S, Skákalová, V, Khan, SA, Laiho, P, Zhang, Q, Li, C, Monazam, MRA, Kotakoski, J, Lipsanen, H & Kauppinen, EI 2019, 'Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene', ACS Nano, vol. 13, no. 10, pp. 11522-11529. https://doi.org/10.1021/acsnano.9b05049

APA

Liao, Y., Mustonen, K., Tulić, S., Skákalová, V., Khan, S. A., Laiho, P., ... Kauppinen, E. I. (2019). Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene. ACS Nano, 13(10), 11522-11529. https://doi.org/10.1021/acsnano.9b05049

Vancouver

Liao Y, Mustonen K, Tulić S, Skákalová V, Khan SA, Laiho P et al. Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene. ACS Nano. 2019 Sep 9;13(10):11522-11529. https://doi.org/10.1021/acsnano.9b05049

Author

Liao, Yongping ; Mustonen, Kimmo ; Tulić, Semir ; Skákalová, Viera ; Khan, Sabbir A. ; Laiho, Patrik ; Zhang, Qiang ; Li, Changfeng ; Monazam, Mohammad R.A. ; Kotakoski, Jani ; Lipsanen, Harri ; Kauppinen, Esko I. / Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene. In: ACS Nano. 2019 ; Vol. 13, No. 10. pp. 11522-11529.

Bibtex - Download

@article{6fadb1fe88694affab4a16cfac6511e1,
title = "Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene",
abstract = "Transparent and conductive films (TCFs) are of great technological importance. Their high transmittance, electrical conductivity, and mechanical strength make single-walled carbon nanotubes (SWCNTs) a good candidate for the raw material for TCFs. Despite the ballistic transport in individual SWCNTs, electrical conductivity of SWCNT networks is limited by low efficiency of charge tunneling between the tube elements. Here, we demonstrate that the nanotube network sheet resistance at high optical transmittance is decreased by more than 50{\%} when fabricated on graphene. This is a comparable improvement as that obtained through gold chloride (AuCl3) doping. However, while Raman spectroscopy reveals substantial changes in spectral features of AuCl3 doped nanotubes, this does not occur with graphene. Instead, temperature-dependent transport measurements indicate that a graphene substrate reduces the tunneling barrier heights, while its parallel conductivity contribution is almost negligible. Finally, we show that combining the graphene substrate and AuCl3 doping, brings the SWCNT thin film sheet resistance down to 36 ω/.",
keywords = "conductivity, graphene, SWCNT, transparent and conductive films, transport",
author = "Yongping Liao and Kimmo Mustonen and Semir Tulić and Viera Sk{\'a}kalov{\'a} and Khan, {Sabbir A.} and Patrik Laiho and Qiang Zhang and Changfeng Li and Monazam, {Mohammad R.A.} and Jani Kotakoski and Harri Lipsanen and Kauppinen, {Esko I.}",
year = "2019",
month = "9",
day = "9",
doi = "10.1021/acsnano.9b05049",
language = "English",
volume = "13",
pages = "11522--11529",
journal = "ACS Nano",
issn = "1936-0851",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "10",

}

RIS - Download

TY - JOUR

T1 - Enhanced Tunneling in a Hybrid of Single-Walled Carbon Nanotubes and Graphene

AU - Liao, Yongping

AU - Mustonen, Kimmo

AU - Tulić, Semir

AU - Skákalová, Viera

AU - Khan, Sabbir A.

AU - Laiho, Patrik

AU - Zhang, Qiang

AU - Li, Changfeng

AU - Monazam, Mohammad R.A.

AU - Kotakoski, Jani

AU - Lipsanen, Harri

AU - Kauppinen, Esko I.

PY - 2019/9/9

Y1 - 2019/9/9

N2 - Transparent and conductive films (TCFs) are of great technological importance. Their high transmittance, electrical conductivity, and mechanical strength make single-walled carbon nanotubes (SWCNTs) a good candidate for the raw material for TCFs. Despite the ballistic transport in individual SWCNTs, electrical conductivity of SWCNT networks is limited by low efficiency of charge tunneling between the tube elements. Here, we demonstrate that the nanotube network sheet resistance at high optical transmittance is decreased by more than 50% when fabricated on graphene. This is a comparable improvement as that obtained through gold chloride (AuCl3) doping. However, while Raman spectroscopy reveals substantial changes in spectral features of AuCl3 doped nanotubes, this does not occur with graphene. Instead, temperature-dependent transport measurements indicate that a graphene substrate reduces the tunneling barrier heights, while its parallel conductivity contribution is almost negligible. Finally, we show that combining the graphene substrate and AuCl3 doping, brings the SWCNT thin film sheet resistance down to 36 ω/.

AB - Transparent and conductive films (TCFs) are of great technological importance. Their high transmittance, electrical conductivity, and mechanical strength make single-walled carbon nanotubes (SWCNTs) a good candidate for the raw material for TCFs. Despite the ballistic transport in individual SWCNTs, electrical conductivity of SWCNT networks is limited by low efficiency of charge tunneling between the tube elements. Here, we demonstrate that the nanotube network sheet resistance at high optical transmittance is decreased by more than 50% when fabricated on graphene. This is a comparable improvement as that obtained through gold chloride (AuCl3) doping. However, while Raman spectroscopy reveals substantial changes in spectral features of AuCl3 doped nanotubes, this does not occur with graphene. Instead, temperature-dependent transport measurements indicate that a graphene substrate reduces the tunneling barrier heights, while its parallel conductivity contribution is almost negligible. Finally, we show that combining the graphene substrate and AuCl3 doping, brings the SWCNT thin film sheet resistance down to 36 ω/.

KW - conductivity

KW - graphene

KW - SWCNT

KW - transparent and conductive films

KW - transport

UR - http://www.scopus.com/inward/record.url?scp=85072996727&partnerID=8YFLogxK

U2 - 10.1021/acsnano.9b05049

DO - 10.1021/acsnano.9b05049

M3 - Article

AN - SCOPUS:85072996727

VL - 13

SP - 11522

EP - 11529

JO - ACS Nano

JF - ACS Nano

SN - 1936-0851

IS - 10

ER -

ID: 37823393