High figure-of-merit ultrathin metal transparent electrodes incorporating a conductive grid

Ghosh, Dhriti Sundar; Chen, Tong Lai; Pruneri, Valerio

doi:10.1063/1.3299259

Cited by 180 publications

(130 citation statements)

References 8 publications

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“…Based on the merits of long nanowires, research on metal nanomesh structures such as nanofibers and nanotroughs is being accelerated so that they can replace the existing metal nanowires. Metal grids have also attracted attention in various fields as transparent electrodes [54][55][56]. The stretchability of the metal grid is far lower than that of the random networks of metal nanowires, however, and the metal grid can withstand only a small degree of bending.…”

Section: Metal Nanofibersmentioning

confidence: 99%

Nanomaterial-based stretchable and transparent electrodes

Kim

Hyun

Jang

et al. 2016

Journal of Information Display

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The recent advent of unprecedented wearable applications engendered the need for stretchable electronics, which can be realized by making the individual components stretchable. The transparent conducting electrode is one of the most important components of optoelectronic devices. Therefore, developing transparent electrodes in a stretchable form is essential for the implementation of stretchable electronics. In this paper, the recent efforts in the development of stretchable and transparent electrodes, particularly those using nanomaterials such as metal nanowires, metal nanofibers, and carbon nanotubes are introduced. ARTICLE HISTORY

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Section: Metal Nanofibersmentioning

confidence: 99%

Nanomaterial-based stretchable and transparent electrodes

Kim

Hyun

Jang

et al. 2016

Journal of Information Display

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“…Unfortunately higher optical transmission usually means higher sheet resistance; thus it is important to find the best match between each other. For this purpose figure of merits (FOM) can be used [35][36][37][38]. The method of preparation of transparent conductive layers was spray coating since it is a simple, coseffective, and clean room free technique.…”

Section: Introductionmentioning

confidence: 99%

Structural and Optical Properties of Spray Coated Carbon Hybrid Materials Applied to Transparent and Flexible Electrodes

Wróblewski

Swatowska

Powroźnik

et al. 2017

Journal of Nanomaterials

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Transparent and flexible electrodes were fabricated with cost-effective spray coating technique on polyethylene terephthalate foil substrates. Particularly designed paint compositions contained mixtures of multiwalled carbon nanotubes and graphene platelets to achieve their desired rheology and electrooptical layers parameters. Electrodes were prepared in standard technological conditions without the need of clean rooms or high temperature processing. The sheet resistance and optical transmittance of fabricated layers were tuned with the number of coatings; then the most suitable relation of these parameters was designated through the figure of merit. Optical measurements were performed in the range of wavelengths from 250 to 2500 nm with a spectrophotometer with the integration sphere. Spectral dependence of total and diffusive optical transmission for thin films with graphene platelet covered by multiwalled carbon nanotubes was designated which allowed determining the relative absorbance. Layer parameters such as thickness, refractive index, energy gap, and effective reflectance coefficient show the correlation of electrooptical properties with the technological conditions. Moreover the structural properties of fabricated layers were examined by means of the X-ray diffraction.

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“…Electron conducting polymers, carbon nanotubes (CNT) and nanosilver wire meshes are candidates. 5,6,7 However, they are both too expensive and have high resistivity.…”

mentioning

confidence: 99%

Electrodeposited Copper Wire Mesh Formed on Chromium Template, the Formation Mechanism and Application as a Transparent Conductive Film

Kondo

Ikeda

Yokoi

2015

J. Electrochem. Soc.

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Copper wire mesh electrodeposits have been formed along the cracks of an electrodeposited chromium template. By reducing the electrodeposition time, the open area ratio increased and wire width of the copper wire decreased. The electrodeposited copper wire mesh has an 84.0% transmittance, 9.8 μm wire width and 0.187 / sheet resistance. These characteristics satisfy some practical use requirements of a transparent conductive film. The copper wire mesh electrodeposits initiate at the crack edges. These initial deposits, which form along the crack edge, combine and then form the copper wire mesh. The copper deposition initiated at sites along the crack edges. As electrodeposition progressed, growth from the initiation sites coalesced to give copper wire formation along the crack edges. It eventually forms a spherical cross section shape along the crack. The initial deposit formation along the crack edge is due to the current incubation removal of the local oxide film preferentially along the chromium template crack edges.

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High figure-of-merit ultrathin metal transparent electrodes incorporating a conductive grid

Cited by 180 publications

References 8 publications

Nanomaterial-based stretchable and transparent electrodes

Nanomaterial-based stretchable and transparent electrodes

Structural and Optical Properties of Spray Coated Carbon Hybrid Materials Applied to Transparent and Flexible Electrodes

Electrodeposited Copper Wire Mesh Formed on Chromium Template, the Formation Mechanism and Application as a Transparent Conductive Film

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