TY - JOUR

T1 - Fast liquid-free patterning of SWCNT films for electronic and optical applications

AU - Novikov, Ilya V.

AU - Raginov, Nikita I.

AU - Krasnikov, Dmitry V.

AU - Zhukov, Sergey S.

AU - Zhivetev, Kirill V.

AU - Terentiev, Andrii V.

AU - Ilatovskii, Daniil A.

AU - Elakshar, Aly

AU - Khabushev, Eldar M.

AU - Grebenko, Artem K.

AU - Kuznetsov, Sergei A.

AU - Shandakov, Sergey D.

AU - Gorshunov, Boris P.

AU - Nasibulin, Albert G.

N1 - Authors acknowledge A.V. Melentev for assistance with THz measurements. This work was partially supported by RSF grants No. 22-13-00436 (synthesis of SWCNTs and optical measurements) and No. 21-72-20050 (terahertz spectroscopic experiments). S.A.K. acknowledges support from the Ministry of Science and Higher Education of the Russian Federation , project No. Nos. FSUS-2020-0029 and FSUS-2024-0020 (femtosecond laser micromachining) with special thanks to S.G. Baev for technological assistance. This work was supported by the Ministry of Science and Higher Education of the Russian Federation (project No. FZSR-2024-0005 ).

PY - 2024/4

Y1 - 2024/4

N2 - The development of new approaches to assembling carbon nanotubes in next-level architecture organization is one of the key directions in Nanomaterials Science. Meanwhile, the recent advances in the so-called rational design of thin single-walled carbon nanotube (SWCNT) films promise a significant improvement in the performance of electronic and optical devices. In this study, we propose a fast, efficient, and green method for the fabrication of 2D patterned SWCNT structures. This technique is based on the selective area deposition of SWCNTs synthesized in the aerosol (floating catalyst) CVD process. Such a liquid-free and one-step process beneficially distinguishes from existing alternative methods based on lithography on the filter or post-treatment lithography on already synthesized continuous films. We demonstrate a 12-fold improvement in the performance of patterned mesh-shaped SWCNT films used as transparent electrodes when compared to the continuous film. As a result, the sheet resistance at an overall 90 % transparency in the visible light range value of 62 Ω/□ was achieved. Moreover, transferred onto elastomer, the mesh-shaped SWCNT films were efficiently applied as tunable diffraction gratings in the THz range. We believe the technique proposed extends the possibilities of the aerosol CVD process for utilization in various applications.

AB - The development of new approaches to assembling carbon nanotubes in next-level architecture organization is one of the key directions in Nanomaterials Science. Meanwhile, the recent advances in the so-called rational design of thin single-walled carbon nanotube (SWCNT) films promise a significant improvement in the performance of electronic and optical devices. In this study, we propose a fast, efficient, and green method for the fabrication of 2D patterned SWCNT structures. This technique is based on the selective area deposition of SWCNTs synthesized in the aerosol (floating catalyst) CVD process. Such a liquid-free and one-step process beneficially distinguishes from existing alternative methods based on lithography on the filter or post-treatment lithography on already synthesized continuous films. We demonstrate a 12-fold improvement in the performance of patterned mesh-shaped SWCNT films used as transparent electrodes when compared to the continuous film. As a result, the sheet resistance at an overall 90 % transparency in the visible light range value of 62 Ω/□ was achieved. Moreover, transferred onto elastomer, the mesh-shaped SWCNT films were efficiently applied as tunable diffraction gratings in the THz range. We believe the technique proposed extends the possibilities of the aerosol CVD process for utilization in various applications.

KW - Aerosol CVD synthesis

KW - Patterning

KW - Rational design

KW - Single-walled carbon nanotubes

KW - THz optics

KW - Transparent conductive films

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85186530022&origin=inward&txGid=763ba511985ef41a2d991cfbb0033117

UR - https://www.mendeley.com/catalogue/86eec7fa-30a7-3b04-9071-a220ce0c9d67/

U2 - 10.1016/j.cej.2024.149733

DO - 10.1016/j.cej.2024.149733

M3 - Article

VL - 485

JO - Chemical Engineering Journal

JF - Chemical Engineering Journal

SN - 1385-8947

M1 - 149733

ER -