Mechanism of surface treatments on carbon nanotube transparent conductive films by three different reagents

Gu, Ze-Zeng; Jia, Song-Lin; Li, Guangfen; Li, Chun‐Qing; Wu, Yanqi; Wang, Tao

doi:10.1039/c8ra09443h

Cited by 9 publications

(2 citation statements)

References 26 publications

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“…In the process of CNT TCFs preparation, relying only on TA and dispersing CNTs to prepare the ink cannot achieve the ideal degree of uniform dispersion and thus introduce SDBS. SDBS is an excellent dispersant for CNTs in an aqueous solution, but it has a side effect on the junction resistance of CNTs after CNT film formation(T>80 %, Rs>600 Ω/sq) [32,33] . SDBS needs to be removed with nitric acid to enhance the performance of TCFs (T>80 %, Rs<100 Ω/sq).…”

Section: Resultsmentioning

confidence: 99%

“…SDBS is an excellent dispersant for CNTs in an aqueous solution, but it has a side effect on the junction resistance of CNTs after CNT film formation(T > 80 %, Rs > 600 Ω/sq). [32,33] SDBS needs to be removed with nitric acid to enhance the performance of TCFs (T > 80 %, Rs < 100 Ω/sq). In addition, nitric acid can be used for p-type doping to increase the metal abundance of CNTs, and enhance the conductivity of CNT TCFs.…”

Section: Structural Characterization Of Zno and Cntsmentioning

confidence: 99%

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Tannic Acid Modified Single‐Walled Carbon Nanotube/Zinc Oxide Nanoparticle Thin Films for UV/Visible Semitransparent Photodiode‐Type Photodetectors

Lou

Wang

et al. 2022

ChemPhotoChem

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Flexible electronic devices have received significant attention in recent years as a result of their flexibility and portability. Carbon nanotube (CNT) films could serve as a promising material for photodetection because of their broad absorption spectral coverage. In this research, vertical ultraviolet (UV) to visible (UV/ Vis) detectors based on tannic acid functionalized carbon nanotube/zinc oxide (TCNT/ZnO) heterojunctions were prepared by a simple spraying method. The TCNT electrode had excellent photoelectric properties with a sheet resistance of 40.6 Ω/sq and transmittance of 80.4 % at 550 nm, and the resulting TCNT/ZnO device could achieve photocurrent of 3.0 mA at 360 nm in the UV range, a recession time of 8.05 s, photoresponsivity of 7.12 A/W, and detectivity of 25.2 × 10 11 Jones. As a comparison, for the pure CNT electrode with a sheet resistance of 45.5 Ω/sq and transmittance of 79.6 % at 550 nm, the CNT/ZnO photocurrent was only 0.6 mA at 360 nm, with a recession time of 17.25 s, photoresponsivity of 1.00 A/W, and detectivity of 3.4 × 10 11 Jones. The prepared device was also able to operate stably after 1000 mechanical bending tests and maintained more than 95 % detectivity, providing a feasible path for the generation of carbon nanotube based photodetector devices.

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Section: Resultsmentioning

confidence: 99%

Section: Structural Characterization Of Zno and Cntsmentioning

confidence: 99%

Tannic Acid Modified Single‐Walled Carbon Nanotube/Zinc Oxide Nanoparticle Thin Films for UV/Visible Semitransparent Photodiode‐Type Photodetectors

Lou

Wang

et al. 2022

ChemPhotoChem

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Anti-corrosion reinforcement of waterborne polyurethane coating with polymerized graphene oxide by the one-pot method

et al. 2020

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Green modification of single-walled carbon nanotubes dispersion with good dispersibility and long storage stability

Jiang

et al. 2023

J Nanopart Res

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Mechanism of surface treatments on carbon nanotube transparent conductive films by three different reagents

Abstract: Comparative studies of sheet resistance and transmittance of CNT-TCFs treated by three different reagents were performed. The mechanism of an oxidation effect for removal of SDBS in CNT-TCFs by nitric acid was suggested.

Cited by 9 publications

References 26 publications

Tannic Acid Modified Single‐Walled Carbon Nanotube/Zinc Oxide Nanoparticle Thin Films for UV/Visible Semitransparent Photodiode‐Type Photodetectors

Tannic Acid Modified Single‐Walled Carbon Nanotube/Zinc Oxide Nanoparticle Thin Films for UV/Visible Semitransparent Photodiode‐Type Photodetectors

Anti-corrosion reinforcement of waterborne polyurethane coating with polymerized graphene oxide by the one-pot method

Green modification of single-walled carbon nanotubes dispersion with good dispersibility and long storage stability

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