Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment

Guang Hui Xu; Jia Qi Huang; Qiang Zhang; Meng Qiang Zhao; Fei Wei

doi:10.1007/s00339-011-6353-9

Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment

Guang Hui Xu, Jia Qi Huang, Qiang Zhang, Meng Qiang Zhao, Fei Wei^*

^*Corresponding author for this work

Tsinghua University

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

Double-walled carbon nanotubes (DWCNTs) and two kinds of vertically aligned multi-walled carbon nanotubes were employed as raw materials to fabricate transparent conductive films (TCFs). DWCNTs constructed the densest conductive network at the same transmittance, and the corresponding TCFs showed the best performance (320 Ω/□ at 75.0% T). The ratio of dc conductivity to optical conductivity (σ_dc/σ_op) of the as-dispersed DWCNTs was 3.88. The as-obtained TCFs were dipped in HNO ₃ solution to improve their performances. Attributed to the removal of sodium dodecyl sulfate molecules, reduction of film thickness, and doping with electron acceptors (such as oxygen), the surface resistance after HNO ₃ treatment decreased. The σ_dc/σ_op ratio of the DWCNTs was further increased to 5.24.

Original language	English
Pages (from-to)	403-411
Number of pages	9
Journal	Applied Physics A: Materials Science and Processing
Volume	103
Issue number	2
DOIs	https://doi.org/10.1007/s00339-011-6353-9
Publication status	Published - May 2011
Externally published	Yes

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title = "Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment",

abstract = "Double-walled carbon nanotubes (DWCNTs) and two kinds of vertically aligned multi-walled carbon nanotubes were employed as raw materials to fabricate transparent conductive films (TCFs). DWCNTs constructed the densest conductive network at the same transmittance, and the corresponding TCFs showed the best performance (320 Ω/□ at 75.0% T). The ratio of dc conductivity to optical conductivity (σdc/σop) of the as-dispersed DWCNTs was 3.88. The as-obtained TCFs were dipped in HNO 3 solution to improve their performances. Attributed to the removal of sodium dodecyl sulfate molecules, reduction of film thickness, and doping with electron acceptors (such as oxygen), the surface resistance after HNO 3 treatment decreased. The σdc/σop ratio of the DWCNTs was further increased to 5.24.",

author = "Xu, {Guang Hui} and Huang, {Jia Qi} and Qiang Zhang and Zhao, {Meng Qiang} and Fei Wei",

year = "2011",

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language = "English",

volume = "103",

pages = "403--411",

journal = "Applied Physics A: Materials Science and Processing",

issn = "0947-8396",

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Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment. / Xu, Guang Hui; Huang, Jia Qi; Zhang, Qiang et al.
In: Applied Physics A: Materials Science and Processing, Vol. 103, No. 2, 05.2011, p. 403-411.

Research output: Contribution to journal › Article › peer-review

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T1 - Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment

AU - Xu, Guang Hui

AU - Huang, Jia Qi

AU - Zhang, Qiang

AU - Zhao, Meng Qiang

AU - Wei, Fei

PY - 2011/5

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AB - Double-walled carbon nanotubes (DWCNTs) and two kinds of vertically aligned multi-walled carbon nanotubes were employed as raw materials to fabricate transparent conductive films (TCFs). DWCNTs constructed the densest conductive network at the same transmittance, and the corresponding TCFs showed the best performance (320 Ω/□ at 75.0% T). The ratio of dc conductivity to optical conductivity (σdc/σop) of the as-dispersed DWCNTs was 3.88. The as-obtained TCFs were dipped in HNO 3 solution to improve their performances. Attributed to the removal of sodium dodecyl sulfate molecules, reduction of film thickness, and doping with electron acceptors (such as oxygen), the surface resistance after HNO 3 treatment decreased. The σdc/σop ratio of the DWCNTs was further increased to 5.24.

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Fabrication of double- and multi-walled carbon nanotube transparent conductive films by filtration-transfer process and their property improvement by acid treatment

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