Aerosol-Assisted Fine-Tuning of Optoelectrical Properties of SWCNT Films

Alexey P. Tsapenko; Stepan A. Romanov; Daria A. Satco; Dmitry V. Krasnikov; Pramod M. Rajanna; Mati Danilson; Olga Volobujeva; Anton S. Anisimov; Anastasia E. Goldt; Albert G. Nasibulin

doi:10.1021/acs.jpclett.9b01498

Aerosol-Assisted Fine-Tuning of Optoelectrical Properties of SWCNT Films

Alexey P. Tsapenko^*
, Stepan A. Romanov
, Daria A. Satco
, Dmitry V. Krasnikov
, Pramod M. Rajanna
, Mati Danilson
, Olga Volobujeva
, Anton S. Anisimov
, Anastasia E. Goldt
, Albert G. Nasibulin

^*Corresponding author for this work

Department of Applied Physics

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

26 Citations (Scopus)

Abstract

We propose a novel, scalable, and simple method for aerosol doping of single-walled carbon nanotube (SWCNT) films. This method is based on aerosolization of a dopant solution (HAuCl₄ in ethanol) and time-controlled deposition of uniform aerosol particles on the nanotube film surface. The approach developed allows fine-tuning of the SWCNT work function in the range of 4.45 (for pristine nanotubes) to 5.46 eV, controllably varying the sheet resistance of the films from 79 to 3.2 ω/□ for the SWCNT films with 50% transmittance (at 550 nm). This opens a new avenue for traditional and flexible optoelectronics, both to replace existing indium-tin oxide electrodes and to develop novel applications of the highly conductive transparent films.

Original language	English
Pages (from-to)	3961-3965
Number of pages	5
Journal	Journal of Physical Chemistry Letters
Volume	10
Issue number	14
DOIs	https://doi.org/10.1021/acs.jpclett.9b01498
Publication status	Published - 24 Jun 2019
MoE publication type	A1 Journal article-refereed

Funding

The authors acknowledge the Russian Science Foundation No. 17-19-01787 (synthesis, measurements and characterization of the thin films). A.P.T. acknowledges Russian Foundation for Basic Research No. 18-32-00246 (optical measurements and analysis of the samples) for partial financial support. M.D. acknowledges the Estonian Ministry of Education and Research (IUT19-28) and the European Union through the European Regional Development Fund Project TK141 (photoelectron spectroscopy measurements). P.M.R. is grateful for partial financial support from the Doctoral Studies Internationalization Program Dora Plus activity 2.2 financed by the European Regional Development Fund (photoelectron spectroscopy analysis). This work was partially supported by Skoltech NGP Program.

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10.1021/acs.jpclett.9b01498

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title = "Aerosol-Assisted Fine-Tuning of Optoelectrical Properties of SWCNT Films",

abstract = "We propose a novel, scalable, and simple method for aerosol doping of single-walled carbon nanotube (SWCNT) films. This method is based on aerosolization of a dopant solution (HAuCl4 in ethanol) and time-controlled deposition of uniform aerosol particles on the nanotube film surface. The approach developed allows fine-tuning of the SWCNT work function in the range of 4.45 (for pristine nanotubes) to 5.46 eV, controllably varying the sheet resistance of the films from 79 to 3.2 ω/□ for the SWCNT films with 50\% transmittance (at 550 nm). This opens a new avenue for traditional and flexible optoelectronics, both to replace existing indium-tin oxide electrodes and to develop novel applications of the highly conductive transparent films.",

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AU - Romanov, Stepan A.

AU - Satco, Daria A.

AU - Krasnikov, Dmitry V.

AU - Rajanna, Pramod M.

AU - Danilson, Mati

AU - Volobujeva, Olga

AU - Anisimov, Anton S.

AU - Goldt, Anastasia E.

AU - Nasibulin, Albert G.

PY - 2019/6/24

Y1 - 2019/6/24

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AB - We propose a novel, scalable, and simple method for aerosol doping of single-walled carbon nanotube (SWCNT) films. This method is based on aerosolization of a dopant solution (HAuCl4 in ethanol) and time-controlled deposition of uniform aerosol particles on the nanotube film surface. The approach developed allows fine-tuning of the SWCNT work function in the range of 4.45 (for pristine nanotubes) to 5.46 eV, controllably varying the sheet resistance of the films from 79 to 3.2 ω/□ for the SWCNT films with 50% transmittance (at 550 nm). This opens a new avenue for traditional and flexible optoelectronics, both to replace existing indium-tin oxide electrodes and to develop novel applications of the highly conductive transparent films.

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Aerosol-Assisted Fine-Tuning of Optoelectrical Properties of SWCNT Films

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