Totally embedded hybrid thin films of carbon nanotubes and silver nanowires as flat homogenous flexible transparent conductors

Pillai, Suresh Kumar Raman; Wang, Jing; Wang, Yilei; Sk, Mahasin Alam; Prakoso, Ari Bimo; Rusli, Rusli; Chan‐Park, Mary B.

doi:10.1038/srep38453

Cited by 34 publications

(23 citation statements)

References 60 publications

(69 reference statements)

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“… 16 Pillai et al reported a conductive hybrid network consisted of silver nanowires (Ag NWs) and SWCNT, which has been demonstrated potential in high energy density flexible-solid-state supercapacitor. 17 Dong et al fabricated the Ag/CNTs networks for a highly conductive film. 18 Li et al theoretically investigated the atomic and electronic structures of silver-filled SWCNTs by using first-principles calculations.…”

Section: Introductionmentioning

confidence: 99%

In situ synthesis and electronic transport of the carbon-coated Ag@C/MWCNT nanocomposite

Wang

Javid

et al. 2018

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

In situ synthesis and electronic transport of the carbon-coated Ag@C/MWCNT nanocomposite

Wang

Javid

et al. 2018

RSC Adv.

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“…It was supposed that top layers of rGO and CNTs could protect the AgNWs against corrosion and oxidation due to the variation of temperature and humidity. [16][17][18][19] The durability of the flexibility of the coatings according to the number of folding cycles was investigated by measuring (R − R 0 )/R 0 , as shown in Figure 3b. The experimental results showed that not only the material combination but also the layer stacking sequence affected the performance of the flexible conductive electrode.…”

Section: Resultsmentioning

confidence: 99%

“…On the other hand, in the case of the rGO/CNT/AgNW coating, the CNT layer might keep the AgNWs attached to the substrate and rGO might prevent the CNT layer from deforming with a severe strain. [16][17][18][19] Next, the schematic designs of the wear mechanism of the contact sliding test can be described as shown in Figure 4d(1) and (2). Figure 4d(1) shows that the AgNW coating is easily removed by the tip-sliding motion.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, CNTs were used as a protective layer, preventing AgNW oxidation and detachment from the surface upon bending. 18,19 Accordingly, various materials based on carbon and metal composites have been investigated for use as electrodes by focusing on the electrical and optical properties as well as on their flexibility. By contrast, few studies have investigated the mechanical properties of electrodes.…”

Section: Introductionmentioning

confidence: 99%

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A highly flexible transparent conductive electrode based on nanomaterials

2017

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The electrical, optical, thermal, chemical, mechanical and tribological characteristics of a highly flexible transparent conductive electrode (HFTCE) coating based on reduced graphene oxide (rGO), carbon nanotubes (CNTs) and silver nanowires (AgNWs) were investigated under various conditions. The motivation was to develop a highly durable and flexible film for transparent conductive electrode applications. The overall characteristics of multilayers based on rGO, CNTs and AgNWs were found to be much better than those of the single-layer AgNW coating. The rGO and CNT layers served to protect the AgNW layer from damage due to bending and contact sliding motions. The contact pressure and bending stress were effectively distributed by the CNT layer deposited on top of the AgNW layer due to its spring-like behavior. In addition, the shear force from the friction force was reduced by the rGO top layer, which acted as a solid lubricant. Furthermore, the excellent performance of an HFTCE heater based on the rGO/CNT/AgNW coating was demonstrated by the results of a defrosting test. NPG Asia Materials (2017) 9, e438; doi:10.1038/am.2017.177; published online 13 October 2017 INTRODUCTIONIn recent decades, various transparent conductive films electrodes have been widely used in electronic devices such as solar cells, displays, memories and batteries. 1 In particular, indium tin oxide (ITO) has attracted considerable attention as a transparent conductive electrode because of its excellent optical and electrical properties. 2 However, indium, which is the main raw material used in ITO, has some disadvantages in terms of production and cost. Moreover, ITO application in flexible devices is limited by its brittleness. 3 To replace ITO in flexible devices, several types of conductive polymers, such as poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) and poly(3-hexylthiophene-2,5-diyl):[6,6]-phenyl-C61-butyric acid methyl ester have been suggested. 4,5 However, the electrical efficiency of these conductive polymers is much lower than that of ITO. Moreover, the mechanical properties of these conductive polymers are very weak despite their flexibility. Therefore, it is necessary to combine these conductive polymers with other electrodes to improve efficiency.Many studies using other types of conductive materials, such as graphene and carbon nanotubes (CNTs), have been conducted. [6][7][8][9][10][11][12] While carbon-based nanosheets and nanowires are known as materials with excellent mechanical and electrical properties, the sheet resistance of the coatings based on carbon is higher. Li et al. 6 demonstrated that the number of graphene layers deposited on the surface had a significant effect on their conductivity and transmittance. They found

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“…However, the high cost and the scarcity of indium supply, has been the motivation for many researchers to find alternative solutions that are sustainable. [4,5] This includes metal microfiber, [6] nanowires, [7,8] polymers, [9] carbon nanotubes, [10,11] and graphene. [12,13] Among them, graphene has attracted more attention because of its high transparency, excellent electron mobility, good chemical, mechanical and thermal stability.…”

mentioning

confidence: 99%

Laser‐Assisted Rapid Fabrication of Large‐Scale Graphene Oxide Transparent Conductors

Sanati

Chambel

Lopes

et al. 2022

Adv Materials Inter

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Although graphene films are the main candidate for replacing scarce and brittle metal‐oxide transparent conductors, the current challenges on graphene deposition and patterning are severely limiting their commercial application. Here, materials and methods that allow large‐scale, efficient, and low‐cost fabrication of highly transparent conductors in a few minutes are demonstrated. First, a low‐cost graphene oxide (GO) solution through spray coating is deposited, followed by simultaneous reduced graphene oxide reduction and thinning through a low‐cost nanosecond fiber laser. It is shown that a 1064 nm master oscillator power amplifier laser enhances the conductivity of GO coated sample by ≈60 times, with excellent optical transparency of 90%. The laser parameters are adjusted, and creation of various shades of transparency, conductivity, and a full ablation are demonstrated. This way, complex GO‐based circuits can be produced rapidly. Compared to the existing techniques that require chemical vapor deposition, and chemical/thermal reduction, this technique is considerably more accessible, replicable, and can open doors for various applications in optoelectronics, energy storage/harvesting, and sensing. The electrical, chemical, and optical properties of the samples are characterized before and after laser treatment, through optical profilometry, scanning electron microscopy, and (UV, Raman, and energy dispersive X‐ray) spectroscopy and applications in transparent conductors, and laser‐patterned high‐resolution and miniaturized interdigitated sensors are shown.

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Totally embedded hybrid thin films of carbon nanotubes and silver nanowires as flat homogenous flexible transparent conductors

Cited by 34 publications

References 60 publications

In situ synthesis and electronic transport of the carbon-coated Ag@C/MWCNT nanocomposite

In situ synthesis and electronic transport of the carbon-coated Ag@C/MWCNT nanocomposite

A highly flexible transparent conductive electrode based on nanomaterials

Laser‐Assisted Rapid Fabrication of Large‐Scale Graphene Oxide Transparent Conductors

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