Building interconnects in carbon nanotube networks with metal halides for transparent electrodes

Zhou, Ying; Shimada, Satoru; Saito, Tetsuya; Azumi, Reiko

doi:10.1016/j.carbon.2015.01.031

Cited by 24 publications

(23 citation statements)

References 50 publications

(59 reference statements)

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“…The prepared films showed a transmittance up to 87.3 ± 1% at 550 nm, 87.9 ± 1% at 800 nm and sheet resistance of 136 ± 22.4 Ω/sq. Zhou et al [62] proposed a technique to achieve an efficient and stable nanotube-nanotube interconnection to translate the remarkable properties of individual CNT to twodimensional networks using copper-halide crystallites. Crystallites worked as interconnecting modes when located at the cross points of CNT-CNT network.…”

Section: Carbonmentioning

confidence: 99%

Transparent Electrodes: A Review of the Use of Carbon-Based Nanomaterials

L¹,

pez-Naranjo²,

Gonz

et al. 2016

Journal of Nanomaterials

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Transparent conducting electrodes (TCE) are extensively applied in a great range of optoelectronic and photovoltaic equipment (e.g., solar cells, touch panels, and flexible devices). Carbon-based nanomaterials are considered as suitable replacements to substitute traditional materials to manufacture TCE due to their remarkable characteristics, for example, high optical transmittance and outstanding electrical properties. In comparison with traditional indium tin oxide electrodes, carbon-based electrodes show good mechanical properties, chemical stability, and low cost. Nevertheless, major issues related to the development of good quality manufacture methods to produce carbon-based nanomaterials have to be overcome to meet massive market requirements. Hence, the development of alternative TCE materials as well as appropriate large production techniques that meet the requirements of a proper sheet resistance along with a high optical transparency is a priority. Therefore, in this work, we summarize and discuss novel production and synthesis methods, chemical treatments, and hybrid materials developed to satisfy the worldwide request for carbon-based nanomaterials.

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Section: Carbonmentioning

confidence: 99%

Transparent Electrodes: A Review of the Use of Carbon-Based Nanomaterials

L¹,

pez-Naranjo²,

Gonz

et al. 2016

Journal of Nanomaterials

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show abstract

“…However, constructing CNT hybrid composites with graphene and/or metal nanowires may lead to a breakthrough over the conductivity limits in CNT-based TCFs. [104–115]…”

Section: Fabrication Of Cnt-based Tcfsmentioning

confidence: 99%

“…[104] The technique is schematically illustrated in Figure 7(a). Thin films of copper halides can be prepared by either vacuum- or solution-based processes.…”

Section: Stability Of Cnt-based Tcfsmentioning

confidence: 99%

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Carbon nanotube based transparent conductive films: progress, challenges, and perspectives

Zhou

Azumi

2016

Science and Technology of Advanced Materials

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137

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Developments in the manufacturing technology of low-cost, high-quality carbon nanotubes (CNTs) are leading to increased industrial applications for this remarkable material. One of the most promising applications, CNT based transparent conductive films (TCFs), are an alternative technology in future electronics to replace traditional TCFs, which use indium tin oxide. Despite significant price competition among various TCFs, CNT-based TCFs have good potential for use in emerging flexible, stretchable and wearable optoelectronics. In this review, we summarize the recent progress in the fabrication, properties, stability and applications of CNT-based TCFs. The challenges of current CNT-based TCFs for industrial use, in comparison with other TCFs, are considered. We also discuss the potential of CNT-based TCFs, and give some possible strategies to reduce the production cost and improve their conductivity and transparency.

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“…Thus, easy scale-up of the film production at a low cost by using existing technology on various substrates [5,6] is the advantage of SWCNTs as a TCF material. Furthermore, SWCNT network films possess excellent transparent conductivity properties in addition to mechanical strength and chemical stability [7][8][9]. There have been efforts to improve the transparent conductivity properties of SWCNT network films in order to achieve higher transparency and lower sheet resistance nearly up to the currently demanded levels, achieved via the commonly used acid treatment doping method for the reduction of sheet resistance [7,8].…”

Section: Introductionmentioning

confidence: 99%

Effects of Tube Diameter and Length on Transparent Conductivity of Single-Walled Carbon Nanotube Network Films

Kuwahara

Hirai

Saito

2018

Journal of Nanomaterials

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The effects of single-walled carbon nanotube (SWCNT) structures on the transparent conductivity of their network films have been investigated. SWCNTs with different average tube diameters of 1.3 nm, 1.7 nm, and 2.0 nm were processed at the same conditions. Then unit structure characterization was performed by determining the tube diameter, length, bundle thickness, and so on, before the fabrication of SWCNT network films by the filtration and transfer method using the dispersions. The result of the transparent conductivity measurements clearly showed better performance with a decrease in the tube diameter: that is, narrower SWCNTs form narrow bundles, and their dense network results in an increase in the total length of conduction pathways in the SWCNT network films with high transparency. Furthermore, the figure of merit and the percolation exponent for the transparent conductivity obtained by using the data fitting of the percolation model were also discussed in terms of the tube diameter and length.

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Building interconnects in carbon nanotube networks with metal halides for transparent electrodes

Cited by 24 publications

References 50 publications

Transparent Electrodes: A Review of the Use of Carbon-Based Nanomaterials

Transparent Electrodes: A Review of the Use of Carbon-Based Nanomaterials

Carbon nanotube based transparent conductive films: progress, challenges, and perspectives

Effects of Tube Diameter and Length on Transparent Conductivity of Single-Walled Carbon Nanotube Network Films

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